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This new compendium Strategies for Navigating Graduate School and Beyond (APSA, 2022), is a true asset to the discipline of Political Science (and other graduate programs as well) in the myriad ways that it provides guidance, advice, and thoughtful reflection for those considering graduate work, in graduate school, and beyond. This book should be referenced not only by those who are at the nascent stages of their political science career, but also by their mentors, teachers, advisors, and peers to help better propel forward the discipline and those in it. I had the pleasure of interviewing Kevin Lorentz, Dan Mallinson, Julia Marin Hellwege, and Cherie Strachan about the book itself, which is available at no cost in electronic form from the American Political Science Association. (The book can be purchased in physical form from most booksellers.) The editors all noted that the project is important to the discipline, in opening up the mysteries of graduate school and beyond, to diminish inequities, and so that individual political scientists have a much better understanding of the workings of higher education, and how political science works at each entry point. The expectation is that this book will provide guidance along a path—it is not designed to be read cover to cover—but as a thoughtful exploration of particular points along a path of learning, developing a career, and engaging with political science as a discipline. After reading through Strategies for Navigating Graduate School and Beyond, I can certainly say that I wish I had access to these kinds of insight and guidance as I pursued my graduate work, moved into the job market, and as I started to work as a professional within this discipline. There are quite a few topics covered in this book, with 69 chapters, and 150 unique contributors. Kevin, Dan, Julia, Davin, and Cherie worked hard to bring is as many useful and important perspectives as possible, so that the information in this compendium is not targeted just at individuals at a particular kind of institution, or even within the academe itself. And it is clear from the contributing authors and their chapters that they all have sound advice and thoughtful insights to give based on their experiences and reflections. The chapters engage topics that range from the basic advice about grad school applications and choosing a program or developing a research portfolio to “how to conference” or “To Twitter or Not to Twitter”; from how to think about research, teaching, and diversity statements when applying for jobs to imposter syndrome in political science to overcoming academic isolation while in graduate school. These chapters and approaches help to enlighten readers on the hidden curriculum of graduate school, as well as the resources that are available for students or faculty members. The aim of this book is to help to move political science forward, to diversify the discipline, and to demystify the graduate experience. Strategies for Navigating Graduate School and Beyond has so many perspectives, intersectional identities, and experiences all contributing to the important advice and guidance for current and future political scientists. This book really is a benefit for Political Science as a discipline and for those who are engaged as political scientists. Lilly J. Goren is a professor of political science at Carroll University in Waukesha, WI. She is co-editor of The Politics of the Marvel Cinematic Universe (University Press of Kansas, 2022), as well as co-editor of the award winning book, Women and the White House: Gender, Popular Culture, and Presidential Politics (University Press of Kentucky, 2012), Email her comments at lgoren@carrollu.edu or tweet to @gorenlj. Learn more about your ad choices. Visit megaphone.fm/adchoices Support our show by becoming a premium member! https://newbooksnetwork.supportingcast.fm/political-science
1st career short-handed goal for Lorentz.
01 - 18 - 23 Steven Lorentz Goal DAL 3 SJ 1 by San Jose Sharks
Link to original articleWelcome to The Nonlinear Library, where we use Text-to-Speech software to convert the best writing from the Rationalist and EA communities into audio. This is: The special nature of special relativity, published by adamShimi on January 9, 2023 on LessWrong. I honestly thought that both theories of relativity were theories of gravitation. Special and general relativity, the latter being the generalized version of the latter. That makes sense, right? Then I started actually digging into special relativity. I studied the original annus mirabilis paper, entitled “On the Electrodynamics of Moving Bodies”. Yes, the title was the first clue, although I didn't see it at the time. The second clue lied in a conspicuous absence: neither gravity nor gravitation is mentioned in the paper. Not even once. No, instead, Einstein spends 5 sections on kinematics (which is basically about geometrically deducing the value of some parameters of the mechanical system from others given as initial conditions); then he applies his kinematics to electromagnetism. This is when I finally realized that special relativity had nothing to do with gravity. General relativity, that's a theory of gravity, one you can compare with Newtonian Mechanics in a variety of ways. But special relativity is not a theory in this sense; that's the wrong type signature. No, special relativity looks far more like a meta conservation law. Because instead of conserving a quantity, special relativity assert that the laws of physics themselves are invariant by specific transformations called Lorentz transformations. This is stated by Einstein itself in his popular account of his theories (Relativity: The Special and General Theory, Chapter 14): Once in possession of the Lorentz transformation, however, we can combine this with the principle of relativity, and sum up the theory thus: [...] Or in brief: General laws of nature are co-variant with respect to Lorentz transformations. This is a definite mathematical condition that the theory of relativity demands of a natural law, and in virtue of this, the theory becomes a valuable heuristic aid in the search for general laws of nature. If a general law of nature were to be found which did not satisfy this condition, then at least one of the two fundamental assumptions of the theory would have been disproved. Although the transformations had been discovered independently earlier (by Lorentz notably), Einstein rederived this constraint on laws of nature from his two principles: That the laws of physics are invariant by uniform (so not accelerated) motion of the reference frame (technically that they're the same in all inertial reference frames) That the constancy of the speed of light in the void is such a law of physics In classical mechanics, 2 contradicted 1 because the addition of velocities meant that light coming out of a moving source would have to move faster or slower than the constant speed of light. But since Einstein assumed both principles as strong phenomenological laws, he looked for a way to reconcile them. And Lorentz transformations give just that: they transform coordinates from a stationary reference frame to a uniformly moving one while maintaining the constancy of the speed of light in the new frame. Which they do by contracting the lengths and dilating time, two ideas familiar to anyone who has read pop physics books. But more than the precise mechanics of the Lorentz transformation, what I find fascinating here is that what I thought was an imperfect theory of gravitation actually proved to be an (imperfect) conservation law, a constraint on the laws of nature. What can you do with such a constraint? I see two main applications, both of which were pursued by Einstein himself and other physicists at the time. Test on existing theories As explained in the paper, Maxwell's theory of electromagnetism passed this test: it was already a relativistic theory. Classical mechanics on the other hand contradicted it direc...
Welcome to The Nonlinear Library, where we use Text-to-Speech software to convert the best writing from the Rationalist and EA communities into audio. This is: The special nature of special relativity, published by adamShimi on January 9, 2023 on LessWrong. I honestly thought that both theories of relativity were theories of gravitation. Special and general relativity, the latter being the generalized version of the latter. That makes sense, right? Then I started actually digging into special relativity. I studied the original annus mirabilis paper, entitled “On the Electrodynamics of Moving Bodies”. Yes, the title was the first clue, although I didn't see it at the time. The second clue lied in a conspicuous absence: neither gravity nor gravitation is mentioned in the paper. Not even once. No, instead, Einstein spends 5 sections on kinematics (which is basically about geometrically deducing the value of some parameters of the mechanical system from others given as initial conditions); then he applies his kinematics to electromagnetism. This is when I finally realized that special relativity had nothing to do with gravity. General relativity, that's a theory of gravity, one you can compare with Newtonian Mechanics in a variety of ways. But special relativity is not a theory in this sense; that's the wrong type signature. No, special relativity looks far more like a meta conservation law. Because instead of conserving a quantity, special relativity assert that the laws of physics themselves are invariant by specific transformations called Lorentz transformations. This is stated by Einstein itself in his popular account of his theories (Relativity: The Special and General Theory, Chapter 14): Once in possession of the Lorentz transformation, however, we can combine this with the principle of relativity, and sum up the theory thus: [...] Or in brief: General laws of nature are co-variant with respect to Lorentz transformations. This is a definite mathematical condition that the theory of relativity demands of a natural law, and in virtue of this, the theory becomes a valuable heuristic aid in the search for general laws of nature. If a general law of nature were to be found which did not satisfy this condition, then at least one of the two fundamental assumptions of the theory would have been disproved. Although the transformations had been discovered independently earlier (by Lorentz notably), Einstein rederived this constraint on laws of nature from his two principles: That the laws of physics are invariant by uniform (so not accelerated) motion of the reference frame (technically that they're the same in all inertial reference frames) That the constancy of the speed of light in the void is such a law of physics In classical mechanics, 2 contradicted 1 because the addition of velocities meant that light coming out of a moving source would have to move faster or slower than the constant speed of light. But since Einstein assumed both principles as strong phenomenological laws, he looked for a way to reconcile them. And Lorentz transformations give just that: they transform coordinates from a stationary reference frame to a uniformly moving one while maintaining the constancy of the speed of light in the new frame. Which they do by contracting the lengths and dilating time, two ideas familiar to anyone who has read pop physics books. But more than the precise mechanics of the Lorentz transformation, what I find fascinating here is that what I thought was an imperfect theory of gravitation actually proved to be an (imperfect) conservation law, a constraint on the laws of nature. What can you do with such a constraint? I see two main applications, both of which were pursued by Einstein himself and other physicists at the time. Test on existing theories As explained in the paper, Maxwell's theory of electromagnetism passed this test: it was already a relativistic theory. Classical mechanics on the other hand contradicted it direc...
Lorentz taps in Karlsson shot
¿En qué iban pensando los pasajeros a bordo del Onda Express? Mario Viciosa comparte sus recuerdos y anécdotas para recibir al Año Nuevo en Onda Cero.
12 - 09 - 22 Steven Lorentz Goal SJ 6 ANA 1 by San Jose Sharks
Constraints on the Model of Gamma-ray Bursts and Implications from GRB 221009A: GeV gamma rays v s High-energy Neutrinos by Ruo-Yu Liu et al. on Tuesday 29 November Gamma-ray bursts (GRB) are generally believed to be efficient particle accelerators. In the presence of energetic protons in a GRB jet, interactions between these protons and intense radiation field of the GRB are supposed to induce electromagnetic cascade. Electrons/positrons generated in the cascade will produce an additional spectrum of robust feature, which is in the form of a power-law distribution up to GeV regime with an index of $lesssim 2$. We suggest that measurements of Fermi-LAT at GeV band can provide independent constraints on the key GRB model parameters such as the dissipation radius, the jet's bulk Lorentz factor, and the baryon loading factor. Taking GRB 221009A, the brightest GRB ever detected, as an example, we show that the constraints from GeV gamma-ray emission may be more stringent than that from the neutrino observation, providing us a deep insight into the origin of GRBs. arXiv: http://arxiv.org/abs/http://arxiv.org/abs/2211.14200v1
Non-thermal emission from mildly relativistic dynamical ejecta of neutron star mergers by Gilad Sadeh et al. on Tuesday 29 November Binary neutron star mergers are expected to produce fast dynamical ejecta, with mildly relativistic velocities extending to $beta=v/c>0.6$. We consider the radio to X-ray synchrotron emission produced by collisionless shocks driven by such fast ejecta into the interstellar medium. Analytic expressions are given for spherical ejecta with broken power-law mass (or energy) distributions, $M(>gammabeta)propto(gammabeta)^{-s}$ with $s=s_{rm KN}$ at $gammabetagamma_0beta_0$ (where $gamma$ is the Lorentz factor). For parameter values characteristic of merger calculation results -- a "shallow" mass distribution, $1
Non-thermal emission from mildly relativistic dynamical ejecta of neutron star mergers by Gilad Sadeh et al. on Monday 28 November Binary neutron star mergers are expected to produce fast dynamical ejecta, with mildly relativistic velocities extending to $beta=v/c>0.6$. We consider the radio to X-ray synchrotron emission produced by collisionless shocks driven by such fast ejecta into the interstellar medium. Analytic expressions are given for spherical ejecta with broken power-law mass (or energy) distributions, $M(>gammabeta)propto(gammabeta)^{-s}$ with $s=s_{rm KN}$ at $gammabetagamma_0beta_0$ (where $gamma$ is the Lorentz factor). For parameter values characteristic of merger calculation results -- a "shallow" mass distribution, $1
The properties of wind and jet from a super-Eddington accretion flow around a supermassive black hole by Hai Yang et al. on Monday 28 November Wind and jet are important medium of AGN feedback thus it is crucial to obtain their properties for the feedback study. In this paper we investigate the properties of wind and jet launched from a super-Eddington accretion flow around a supermassive black hole. For this aim, we have performed radiation magnetohydrodynamical simulation of a magnetically arrested super-Eddington accretion flows. We then have analyzed the simulation data by the ``virtual particle trajectory'' approach and obtained the mass flux, poloidal and toroidal velocities, and mass-flux-weighted momentum and energy fluxes of wind and jet. The mass flux is found to be 2-6 times higher than that obtained based on the time-averaged streamline method widely used in literature. Depending on the black hole spin, the momentum flux of wind is found to be at least 2 times larger than that of jet, while the total energy flux of jet is at most 3 times larger than that of wind. These results are similar to the case of hot accretion flows and imply that winds likely play a more important role than jet in AGN feedback. The acceleration mechanism of wind and jet is analyzed and found to be dominated by Lorentz force rather than radiation force. arXiv: http://arxiv.org/abs/http://arxiv.org/abs/2211.10710v3
Constraints on the Model of Gamma-ray Bursts and Implications from GRB 221009A: GeV gamma rays v s High-energy Neutrinos by Ruo-Yu Liu et al. on Monday 28 November Gamma-ray bursts (GRB) are generally believed to be efficient particle accelerators. In the presence of energetic protons in a GRB jet, interactions between these protons and intense radiation field of the GRB are supposed to induce electromagnetic cascade. Electrons/positrons generated in the cascade will produce an additional spectrum of robust feature, which is in the form of a power-law distribution up to GeV regime with an index of $lesssim 2$. We suggest that measurements of Fermi-LAT at GeV band can provide independent constraints on the key GRB model parameters such as the dissipation radius, the jet's bulk Lorentz factor, and the baryon loading factor. Taking GRB 221009A, the brightest GRB ever detected, as an example, we show that the constraints from GeV gamma-ray emission may be more stringent than that from the neutrino observation, providing us a deep insight into the origin of GRBs. arXiv: http://arxiv.org/abs/http://arxiv.org/abs/2211.14200v1
Constraints on the Model of Gamma-ray Bursts and Implications from GRB 221009A: GeV gamma rays v s High-energy Neutrinos by Ruo-Yu Liu et al. on Monday 28 November Gamma-ray bursts (GRB) are generally believed to be efficient particle accelerators. In the presence of energetic protons in a GRB jet, interactions between these protons and intense radiation field of the GRB are supposed to induce electromagnetic cascade. Electrons/positrons generated in the cascade will produce an additional spectrum of robust feature, which is in the form of a power-law distribution up to GeV regime with an index of $lesssim 2$. We suggest that measurements of Fermi-LAT at GeV band can provide independent constraints on the key GRB model parameters such as the dissipation radius, the jet's bulk Lorentz factor, and the baryon loading factor. Taking GRB 221009A, the brightest GRB ever detected, as an example, we show that the constraints from GeV gamma-ray emission may be more stringent than that from the neutrino observation, providing us a deep insight into the origin of GRBs. arXiv: http://arxiv.org/abs/http://arxiv.org/abs/2211.14200v1
The properties of wind and jet from a super-Eddington accretion flow around a supermassive black hole by Hai Yang et al. on Sunday 27 November Wind and jet are important medium of AGN feedback thus it is crucial to obtain their properties for the feedback study. In this paper we investigate the properties of wind and jet launched from a super-Eddington accretion flow around a supermassive black hole. For this aim, we have performed radiation magnetohydrodynamical simulation of a magnetically arrested super-Eddington accretion flows. We then have analyzed the simulation data by the ``virtual particle trajectory'' approach and obtained the mass flux, poloidal and toroidal velocities, and mass-flux-weighted momentum and energy fluxes of wind and jet. The mass flux is found to be 2-6 times higher than that obtained based on the time-averaged streamline method widely used in literature. Depending on the black hole spin, the momentum flux of wind is found to be at least 2 times larger than that of jet, while the total energy flux of jet is at most 3 times larger than that of wind. These results are similar to the case of hot accretion flows and imply that winds likely play a more important role than jet in AGN feedback. The acceleration mechanism of wind and jet is analyzed and found to be dominated by Lorentz force rather than radiation force. arXiv: http://arxiv.org/abs/http://arxiv.org/abs/2211.10710v3
Is there a Dynamic Difference between Stealthy and Standard CMEs? by Beili Ying et al. on Thursday 24 November Stealthy Coronal Mass Ejections (CMEs), lacking low coronal signatures, may result in significant geomagnetic storms. However, the mechanism of stealthy CMEs is still highly debated. In this work, we investigate whether there are differences between the stealthy and standard CMEs in terms of their dynamic behaviors. Seven stealthy and eight standard CMEs with slow speeds are selected. We calculate two-dimensional speed distributions of CMEs based on the cross-correlation method, rather than the unidimensional speed, and further obtain more accurate distributions and evolution of CME mechanical energies. Then we derive the CME driving powers and correlate them with CME parameters (total mass, average speed, and acceleration) for standard and stealthy CMEs. Besides, we study the forces that drive CMEs, namely, the Lorentz force, gravitational force, and drag force due to the ambient solar wind near the Sun. The results reveal that both the standard and stealthy CMEs are propelled by the combined action of those forces in the inner corona. The drag force and gravitational force are comparable with the Lorentz force. However, the impact of the drag and Lorentz forces on the global evolution of the stealthy CMEs is significantly weaker than that of the standard CMEs. arXiv: http://arxiv.org/abs/http://arxiv.org/abs/2211.12825v1
Impact of the nonthermal electron radiation effects on the horizon scale image structure of Sagittarius A* by Shan-Shan Zhao et al. on Wednesday 23 November The Event Horizon Telescope (EHT), with $sim$20 $mu$as high angular resolution, recently resolved the millimeter image of the suppermassive black hole in the Galaxy, Sagittarius A*. This opens a new window to study the plasma on horizon scales. The accreting disk probably contains a small fraction of nonthermal electrons and their emissions should contribute to the observed image. We study if such contributions are sufficient to cause structural differences detectable by current and future observational capabilities. We introduce nonthermal electrons in a semi-analytical accretion disk, which considers viscosity-leading heating processes, and adopt a continued hybrid electron energy distribution of thermal distribution and power-law tail. We generate the black hole images and extract the structural features as crescent parameters. We find the existence of nonthermal electron radiation makes the crescent much brighter, slightly larger, moderately thicker, and much more symmetric. When the nonthermal connecting Lorentz factor $gamma_c=65$, which is equivalent to the nonthermal electrons accounting for $sim1.5$% of the totals, nonthermal effects cause $sim2$% size difference at 230 GHz. Comparing with the structural changes caused by other physical factors, including inclination between the system and the observer, black hole spin, and interstellar medium scattering effects, we find that although nonthermal electron radiation takes the most unimportant role at 230 GHz, it becomes more significant at 345 GHz. arXiv: http://arxiv.org/abs/http://arxiv.org/abs/2211.11984v1
The propertities of wind and jet from a super-Eddington accretion flow around a supermassive black hole by Hai Yang et al. on Wednesday 23 November Wind and jet are important medium of AGN feedback thus it is crucial to obtain their properties for the feedback study. In this paper we investigate the properties of wind and jet launched from a super-Eddington accretion flow around a supermassive black hole. For this aim, we have performed radiation magnetohydrodynamical simulation of a magnetically arrested super-Eddington accretion flows. We then have analyzed the simulation data by the ``virtual particle trajectory'' approach and obtained the mass flux, poloidal and toroidal velocities, and mass-flux-weighted momentum and energy fluxes of wind and jet. The mass flux is found to be 2-6 times higher than that obtained based on the time-averaged streamline method widely used in literature. Depending on the black hole spin, the momentum flux of wind is found to be at least 2 times larger than that of jet, while the total energy flux of jet is at most 3 times larger than that of wind. These results are similar to the case of hot accretion flows and imply that winds likely play a more important role than jet in AGN feedback. The acceleration mechanism of wind and jet is analyzed and found to be dominated by Lorentz force rather than radiation force. arXiv: http://arxiv.org/abs/http://arxiv.org/abs/2211.10710v2
Is there a Dynamic Difference between Stealthy and Standard CMEs? by Beili Ying et al. on Wednesday 23 November Stealthy Coronal Mass Ejections (CMEs), lacking low coronal signatures, may result in significant geomagnetic storms. However, the mechanism of stealthy CMEs is still highly debated. In this work, we investigate whether there are differences between the stealthy and standard CMEs in terms of their dynamic behaviors. Seven stealthy and eight standard CMEs with slow speeds are selected. We calculate two-dimensional speed distributions of CMEs based on the cross-correlation method, rather than the unidimensional speed, and further obtain more accurate distributions and evolution of CME mechanical energies. Then we derive the CME driving powers and correlate them with CME parameters (total mass, average speed, and acceleration) for standard and stealthy CMEs. Besides, we study the forces that drive CMEs, namely, the Lorentz force, gravitational force, and drag force due to the ambient solar wind near the Sun. The results reveal that both the standard and stealthy CMEs are propelled by the combined action of those forces in the inner corona. The drag force and gravitational force are comparable with the Lorentz force. However, the impact of the drag and Lorentz forces on the global evolution of the stealthy CMEs is significantly weaker than that of the standard CMEs. arXiv: http://arxiv.org/abs/http://arxiv.org/abs/2211.12825v1
The propertities of wind and jet from a super-Eddington accretion flow around a supermassive black hole by Hai Yang et al. on Tuesday 22 November Wind and jet are important medium of AGN feedback thus it is crucial to obtain their properties for the feedback study. In this paper we investigate the properties of wind and jet launched from a super-Eddington accretion flow around a supermassive black hole. For this aim, we have performed radiation magnetohydrodynamical simulation of a magnetically arrested super-Eddington accretion flows. We then have analyzed the simulation data by the ``virtual particle trajectory'' approach and obtained the mass flux, poloidal and toroidal velocities, and mass-flux-weighted momentum and energy fluxes of wind and jet. The mass flux is found to be 2-6 times higher than that obtained based on the time-averaged streamline method widely used in literature. Depending on the black hole spin, the momentum flux of wind is found to be at least 2 times larger than that of jet, while the total energy flux of jet is at most 3 times larger than that of wind. These results are similar to the case of hot accretion flows and imply that winds likely play a more important role than jet in AGN feedback. The acceleration mechanism of wind and jet is analyzed and found to be dominated by Lorentz force rather than radiation force. arXiv: http://arxiv.org/abs/http://arxiv.org/abs/2211.10710v1
Impact of the nonthermal electron radiation effects on the horizon scale image structure of Sagittarius A* by Shan-Shan Zhao et al. on Tuesday 22 November The Event Horizon Telescope (EHT), with $sim$20 $mu$as high angular resolution, recently resolved the millimeter image of the suppermassive black hole in the Galaxy, Sagittarius A*. This opens a new window to study the plasma on horizon scales. The accreting disk probably contains a small fraction of nonthermal electrons and their emissions should contribute to the observed image. We study if such contributions are sufficient to cause structural differences detectable by current and future observational capabilities. We introduce nonthermal electrons in a semi-analytical accretion disk, which considers viscosity-leading heating processes, and adopt a continued hybrid electron energy distribution of thermal distribution and power-law tail. We generate the black hole images and extract the structural features as crescent parameters. We find the existence of nonthermal electron radiation makes the crescent much brighter, slightly larger, moderately thicker, and much more symmetric. When the nonthermal connecting Lorentz factor $gamma_c=65$, which is equivalent to the nonthermal electrons accounting for $sim1.5$% of the totals, nonthermal effects cause $sim2$% size difference at 230 GHz. Comparing with the structural changes caused by other physical factors, including inclination between the system and the observer, black hole spin, and interstellar medium scattering effects, we find that although nonthermal electron radiation takes the most unimportant role at 230 GHz, it becomes more significant at 345 GHz. arXiv: http://arxiv.org/abs/http://arxiv.org/abs/2211.11984v1
The propertities of wind and jet from a super-Eddington accretion flow around a supermassive black hole by Hai Yang et al. on Tuesday 22 November Wind and jet are important medium of AGN feedback thus it is crucial to obtain their properties for the feedback study. In this paper we investigate the properties of wind and jet launched from a super-Eddington accretion flow around a supermassive black hole. For this aim, we have performed radiation magnetohydrodynamical simulation of a magnetically arrested super-Eddington accretion flows. We then have analyzed the simulation data by the ``virtual particle trajectory'' approach and obtained the mass flux, poloidal and toroidal velocities, and mass-flux-weighted momentum and energy fluxes of wind and jet. The mass flux is found to be 2-6 times higher than that obtained based on the time-averaged streamline method widely used in literature. Depending on the black hole spin, the momentum flux of wind is found to be at least 2 times larger than that of jet, while the total energy flux of jet is at most 3 times larger than that of wind. These results are similar to the case of hot accretion flows and imply that winds likely play a more important role than jet in AGN feedback. The acceleration mechanism of wind and jet is analyzed and found to be dominated by Lorentz force rather than radiation force. arXiv: http://arxiv.org/abs/http://arxiv.org/abs/2211.10710v2
The propertities of wind and jet from a super-Eddington accretion flow around a supermassive black hole by Hai Yang et al. on Monday 21 November Wind and jet are important medium of AGN feedback thus it is crucial to obtain their properties for the feedback study. In this paper we investigate the properties of wind and jet launched from a super-Eddington accretion flow around a supermassive black hole. For this aim, we have performed radiation magnetohydrodynamical simulation of a magnetically arrested super-Eddington accretion flows. We then have analyzed the simulation data by the ``virtual particle trajectory'' approach and obtained the mass flux, poloidal and toroidal velocities, and mass-flux-weighted momentum and energy fluxes of wind and jet. The mass flux is found to be 2-6 times higher than that obtained based on the time-averaged streamline method widely used in literature. Depending on the black hole spin, the momentum flux of wind is found to be at least 2 times larger than that of jet, while the total energy flux of jet is at most 3 times larger than that of wind. These results are similar to the case of hot accretion flows and imply that winds likely play a more important role than jet in AGN feedback. The acceleration mechanism of wind and jet is analyzed and found to be dominated by Lorentz force rather than radiation force. arXiv: http://arxiv.org/abs/http://arxiv.org/abs/2211.10710v1
Award winning author Peter Fuller worked in the Military History Department of the Glenbow Museum in Calgary, Alberta, Canada for eight years. He has studied military history for decades – over the years, he's written numerous articles and lectured at major museums and universities on the subject of military history. He has also been a regular panelist at NORWESCON since 2017. Mr. Fuller has also studied the UFO phenomenon since grade school. He is a member of the Mutual UFO Network (MUFON), and has had a few “close encounters” of his own. He recently interviewed the son of a US military officer about his late father's work on several special access projects for the secret space program Check out Peter's website at: www.solar-warden.com For more typical skeptic podcast go to: youtube.com/c/typicalskeptic anchor.fm/typical-skeptic rokfin.com/typcialskeptic rumble.com/typicalskeptic #ssp #solarwarden #secretsspace #alienabduction #orb #podcast #typical_skeptic To donate to the typical skeptic podcast buymeacoffee.com/typicalskeptic Paypal is the easiest way and most effective to donate: typicalskeptic1@gmail.com Affiliates: Natural Shilajit and Monoatomic Gold from Healthy Nutrition LLC. use code: ROB And my affiliate link to share: https://glnk.io/77v6/3 GODDESSES OF EROS AND SECRET KNOWLEDGE COURSES BY DR. KUJAWA https://courses.sacredstories.com/courses/goddesses-of-eros?ref=b50b6e Use Code: Eros Extra resource links That Peter talked about: Darcy Wier – Secret Space UFOs – The rise of the TR-3B https://tubitv.com/movies/660491/secret-space-ufos-rise-of-the-tr3b?start=true James Fox – The Phenomenon https://vimeo.com/ondemand/thephenomenon Zero Point - The Story of Mark McCandlish and the the Fluxliner https://www.youtube.com/watch?v=5HcFH-1h12Y&ab_channel=KReporteu B-2 Stealth bomber eletrogravitics system https://discover.hubpages.com/politics/How-The-B2-Bomber-Is-Actually-Powered-By-Electrogravitics Inertial shielding by Dr. Thomas Valone https://www.youtube.com/watch?v=T7Ugdr2TE4c Inertia as a zero-point-field Lorentz force by Hal Puthoff https://www.researchgate.net/publication/13379419_Inertia_as_a_zero-point-field_Lorentz_force Bob Lazar and Area 51& flying saucers https://tubitv.com/movies/610453/bob-lazar-area-51-flying-saucers?start=true The Search for Hitler's Bomb https://www.netflix.com/no-en/title/80149593 Books – Secrets of Antigravity Propulsion Dr. Paul LaViolette https://www.amazon.com/Secrets-Antigravity-Propulsion-Classified-Technology/dp/159143078X/ref=sr_1_1?crid=1FPSTFN81S01T&keywords=Secrets+of+antigravity+propulsion&qid=1668875695&sprefix=secrets+of+antigravity+propulsion%2Caps%2C141&sr=8-1 Electrogravitics Systems Dr. Thomas Valone https://www.amazon.com/Electrogravitics-Systems-Reports-Propulsion-Methodology/dp/0964107007/ref=sr_1_1?crid=2MY1L02523AWF&keywords=Electrogravitics+Systems+Dr.+Thomas+Valone&qid=1668875800&sprefix=electrogravitics+systems+dr.+thomas+valone+%2Caps%2C167&sr=8-1 The Hunt for Zero Point Nick Cook https://www.amazon.ca/Hunt-Zero-Point-Classified-Antigravity/dp/0767906284 Hitler's Flying Saucers Henry Stevens https://www.amazon.ca/Hitlers-Flying-Saucers-German-Second/dp/1935487914 The Silence Keepers Marc St-Germain https://www.amazon.ca/Silence-Keepers-Marc-St-Germain/dp/1543166571 --- Send in a voice message: https://anchor.fm/typical-skeptic/message Support this podcast: https://anchor.fm/typical-skeptic/support
Generalized equipartition method from an arbitrary viewing angle by Tatsuya Matsumoto et al. on Monday 21 November The equipartition analysis yields estimates of the radius and energy of synchrotron self-absorbed radio sources. Here we generalize this method to relativistic off-axis viewed emitters. We find that the Lorentz factor $Gamma$ and the viewing angle $theta$ cannot be determined independently but become degenerate along a trajectory of minimal energy solutions. The solutions are divided into on-axis and off-axis branches with the former reproducing the classical analysis. A relativistic source viewed off-axis can be disguised as an apparent Newtonian one. Applying this method to radio observations of several tidal disruption events (TDEs), we find that the radio flare of AT 2018hyz which was observed a few years after the optical discovery could have been produced by a relativistic off-axis jet with kinetic energy of $sim10^{53},rm erg$ that was launched around the time of discovery. arXiv: http://arxiv.org/abs/http://arxiv.org/abs/2211.10051v1
Prompt emission and early optical afterglow of VHE detected GRB 201015A and GRB 201216C: onset of the external forward shock by Amit Kumar Ror et al. on Monday 21 November We present a detailed prompt emission and early optical afterglow analysis of the two very high energy (VHE) detected bursts GRB 201015A and GRB 201216C, and their comparison with a subset of similar bursts. Time-resolved spectral analysis of multi-structured GRB 201216C using the Bayesian binning algorithm revealed that during the entire duration of the burst, the low energy spectral index ($alpha_{rm pt}$) remained below the limit of the synchrotron line of death. However, statistically some of the bins supported the additional thermal component. Additionally, the evolution of spectral parameters showed that both peak energy (Ep) and $alpha_{rm pt}$ tracked the flux. These results were further strengthened using the values of the physical parameters obtained by synchrotron modeling of the data. Our earliest optical observations of both bursts using FRAM-ORM and BOOTES robotic telescopes displayed a smooth bump in their early optical light curves, consistent with the onset of the afterglow due to synchrotron emission from an external forward shock. Using the observed optical peak, we constrained the initial bulk Lorentz factors of GRB 201015A and GRB 201216C to $Gamma_0$ = 204 and $Gamma_0$ = 310, respectively. The present early optical observations are the earliest known observations constraining outflow parameters and our analysis indicate that VHE-detected bursts could have a diverse range of observed luminosity within the detectable redshift range of present VHE facilities. arXiv: http://arxiv.org/abs/http://arxiv.org/abs/2211.10036v1
Ahthony Stolarz stops Steven Lorentz in 3rd period.
10 - 23 - 22 Steven Lorentz Goal SJ 2 PHI 0 by San Jose Sharks
Lorentz invariance violation induced threshold anomaly versus very-high energy cosmic photon emission from GRB 221009A by Hao Li et al. on Monday 17 October It is reported that the Large High Altitude Air Shower Observatory (LHAASO) observed very high energy photons from GRB 221009A, with the highest energy reaching 18 TeV. We find that observation of such high energy photons is a quite nontrivial fact since extragalactic background light could absorb these photons severely and the flux is too weak to be observed. Therefore we discuss the potential new mechanism for us to observe these photons, and suggest that Lorentz invariance violation induced threshold anomaly of the process (gammagammato e^-e^+) provides a candidate to explain this phenomenon. arXiv: http://arxiv.org/abs/http://arxiv.org/abs/2210.06338v3
Lorentz invariance violation induced threshold anomaly versus very-high energy cosmic photon emission from GRB 221009A by Hao Li et al. on Monday 17 October It is reported that the Large High Altitude Air Shower Observatory (LHAASO) observed very high energy photons from GRB 221009A, with the highest energy reaching 18 TeV. We find that observation of such high energy photons is a quite nontrivial fact since extragalactic background light could absorb these photons severely and the flux is too weak to be observed. Therefore we discuss the potential new mechanism for us to observe these photons, and suggest that Lorentz invariance violation induced threshold anomaly of the process (gammagammato e^-e^+) provides a candidate to explain this phenomenon. arXiv: http://arxiv.org/abs/http://arxiv.org/abs/2210.06338v3
Interpretation of multi-TeV photons from GRB221009A by Ali Baktash et al. on Sunday 16 October The nearby GRB22109A at redshift $z=0.1505$ has been observed up to a maximum energy of 18 TeV with the LHAASO air shower array. The expected optical depth for a photon with energy $E_gamma=18$~TeV varies between 9.2 and 27.1 according to existing models of the extra-galactic background light in the relevant mid infra-red range. The resulting suppression of the flux makes it unlikely that this photon could be observed. If the photon event and its energy are however confirmed and possibly even more photons above 10 TeV have been observed, the photon-pairproduction process would have to be suppressed by mechanisms predicted in extensions of the standard model of particle physics. We consider the possibilities of photon mixing with a light pseudo-scalar (e.g., axion-like particle: ALP) in the magnetic field of the host galaxy and the Milky Way and Lorentz-invariance violation (LIV). In the case of photon-ALP mixing, the boost factor would reach values $sim10^6$ for photon couplings not ruled out by the CAST experiment. In the case of LIV, required boost factors are achievable for a LIV breaking energy scale $lesssim 10^{28}$ eV for the linear modification of the dispersion relation and $lesssim 10^{20}$ eV for the quadratic modification. A more simple explanation would be a misidentification of a charged cosmic-ray air shower. arXiv: http://arxiv.org/abs/http://arxiv.org/abs/2210.07172v1
De stora prisökningarna slår inte bara mot hushåll, även företag påverkas kraftigt. Det skyhöga elpriset tynger flera branscher så att det börjar talas om konkurser. Men allt fler märker också av att hushållen börjar bli mer oroliga. Hur väl står företagen emot inflationen? Programledare: Anders Jelmin Gäster och röster i programmet: Kristian Åström, ekonomikommentator, Sveriges Radio Pär Österholm, professor i nationalekonomi, Örebro universitet Rickard Wiger, vd Gjuteribolaget i Mönsterås Miriam Münnich Vass, energiansvarig Teknikföretagen Sven-Olov Daunfeldt, chefsekonom Svenskt Näringsliv Magnus Welander, vd, Thule Jonas Samuelsson, vd, Electrolux Pär Lorentz, presschef Essity Producent: Olof WijnbladhTekniker: Jesper Timan ekonomiekotextra@sverigesradio.se
Artisten om psykisk ohälsa och en hyllning till kärleken och systerskapet. Joy MBatha slog igenom när hon rappade på Där dit vinden kommer ihop med Lorentz och två år senare var hon med på den officiella EM-låten till herrlandslaget i fotboll 2016. Hon sjöng ledmotivet En sekund, till den hyllade SVT-serien Tunna blå linjen.När hon nominerades till P3 Guld lovade hon att komma naken till galan, ett löfte hon höll.Joy MBatha höll sin första konstutställning på Snickarbacken 7 i Stockholm 2018.Joy MBatha om sitt Sommarprogram: Mitt Sommar handlar om vad övergivenhet och psykisk ohälsa kan leda till, men jag kommer också att hylla kärleken och systerskapet. Det vi går igenom formar oss men definierar oss inte.Producent: Lisa WallVill du få poddar, nyheter och direktsänd radio på ett ställe, ladda ner appen Sveriges Radio Play via https://sverigesradio.se/artikel/sveriges-radio-play.
In 1945 a sightseeing tour plane carrying American military personnel crashed into the western New Guinea jungle. The survivors spent the next several weeks trying to survive the harsh elements in a land that they knew very little about. They weren't alone though, they had landed right in the middle of indigenous tribal territory, people who they knew to be cannibalistic and violent. In this struggle for survival, they'll have to open their hearts and minds to people who are foreign to them if they want to make it out alive. We love our National Parks and we know you do too but when you're out there, remember to enjoy the view but watch your back. Please take a moment to rate and subscribe from wherever you're listening to NPAD! Become part of our Outsider family on Patreon to gain access to ad-free episode, bonus content and more. Follow our socials Instagram, Facebook , and Twitter. To share a Trail Tale, suggest a story, access merch and browse our book recommendations - head over to our website. Thank you so much to our partners, check them out! BetterHelp: Get 10% off your first month of online therapy by using our link. Beam: Use code NPAD to get 40% off your first subscription order or 20% a one-time purchase. Prose: Use our link for a free in-depth hair consultation and 15% off your first order. First Leaf: Use our link and get your first 6 bottles for $39.95 plus free shipping. sources: Lost in Shangri-La by Mitchell Zukoff , History Net, Pacific Wrecks, YouTube
Ep. 18 - Steven Lorentz TT: 00:33:00
Fredrik har bara ett problem med meditation. Calle har fått cringe av kulturellt approprierande av orten-tugg.Fredrik har en lista på barnsliga beteenden vuxna bör överväga att sluta med. Kesha har en låt om försoning med sig själv som drabbar Fredrik fruktansvärt hårt. Lorentz har en låt om att kolla en film och kanske en till som kanske är platt eller genial eller både och. Stämningen är nästan larvigt god och semesterhjärnorna börjar vakna ur sin dvala! See acast.com/privacy for privacy and opt-out information. Become a member at https://plus.acast.com/s/schulman-geniet.
"Beautiful! Stirring! Dramatic!" Just who was Pare Lorentz? What does it mean to be "FDR's Filmmaker"? And how did government film with a covertly conservationist bent end up alongside The Godfather and Raging Bull in the second class of Registry inductees? Our guest, Dr. Robert J. Snyder, joins us to answer those questions and more. We'll talk Lorentz's career, what it's like writing an essay for the National Film Registry, and even touch on our favorite cuss words.Watch The River here for freeNext week:Meshes of the Afternoon w/ Dr. Sabina Stent (watch it here for free)Hosts:Michael NataleTwitterInstagramLetterboxd Tom LorenzoTwitterInstagramLetterboxd Producer:Kyle LamparTwitterInstagram Guest:Dr. Robert J. SnyderDr. Snyder's National Film Registry EssayCrohn's and Colitis Foundation Pare Lorentz Center Follow the Show:TwitterInstagramWebsite Music by Mike Natale
Hogthrob and Strangepork are back with a recap of all the Sharks moves in Free Agency! What is the minimum height requirement to be a Shark on Mike Grier's team? What are the (Doug) Weight Requirements?! The Brent Burns trade is the actual end of an era and closure that we needed. All this, some tequila, and more on this brand new ep of MDM! (////////////) (0:00) Intro (0:04) Passionless Player Drink (1:52) Johnny Jacket (3:38) We're the best at being prepared. Glassaccino (6:40) Brent Burns trade (10:00) Are the Canes Cup Contenders? (16:50) Shark Shot for Burns (20:15) Lane Pederson gone & the return on the trade for the Sharks (26:05) Analytics discussion (31:02) u/SpentGladiator77 profile on Lorentz (33:25) Is a Lorentz type of player a good long term fit, or is it Grierd? (34:21) Makiniemi & Sharks Goalie Horde (40:20) Is the Shark Tank a good strategy this year? (56:30) Hoghthrob Hot Takes on FA: Lindblom (LW) 6'1" (1:00:17) Fears in the Mike Griera (1:03:38) Matt Benning (D) 6'1" (1:06:28) Markus Nutivaara (D) 6'1" (1:10:45) Niko Sturm (C) 6'3" (1:13:28) Captain Affogato AKA Andrew Agozzino (LW) 5'10" (1:21:40) What would be in a Nutivaara bar? (1:22:42) Top takeaways for free agency (1:28:32) Consgrieracy (1:29:51) Bonus (////////////) --- Support this podcast: https://anchor.fm/mdm/support
Position 3: Therapiesitzung für Franz. Er soll das F-Wort substituieren, schlägt die Therapeutin vor. Statt „Furzknochen“ soll er künftig „Mutabor“ sagen. Das wird ein Abenteuer! Aber nicht mit Franz. Furzknochen. | Mit: Hermann Bohlen, Rubi Lorentz, Toni Lorentz, Tanja Wedhorn, Thelma Buabeng, Heiko Pinkowski, Zara-Rachel Schöneck, Matti Kaminski und Mariola Brillowska | Dramaturgie: Katrin Zipse | Autorenproduktion für den SWR 2022
Position 4: Jetzt hat ihr Vater auch noch ihre Freundinnen angepöbelt. Höchste Zeit, andere Saiten aufzuziehen, finden Gneta und Pepi und bringen den Berg Ubasute ins Spiel, auf dem alte Eltern zum Sterben ausgesetzt werden. Das ist kein Spaß. | Mit: Hermann Bohlen, Rubi Lorentz, Toni Lorentz, Tanja Wedhorn, Thelma Buabeng, Heiko Pinkowski, Zara-Rachel Schöneck, Matti Kaminski und Mariola Brillowska | Dramaturgie: Katrin Zipse | Autorenproduktion für den SWR 2022
Position 1: Franz. Irgendwas stimmt nicht mit ihm. Ständig macht er schlechte Witze und sagt nach jedem zweiten Satz „Furzknochen“. Arbeiten tut er auch nicht mehr. „Papa hat Probleme“ konstatieren die Töchter Gneta und Pepi. Was tun? | Mit: Hermann Bohlen, Rubi Lorentz, Toni Lorentz, Tanja Wedhorn, Thelma Buabeng, Heiko Pinkowski, Zara-Rachel Schöneck, Matti Kaminski und Mariola Brillowska | Dramaturgie: Katrin Zipse | Autorenproduktion für den SWR 2022
Position 5: So geht es nicht weiter. Das findet auch Franz und hofft auf eine Millionärin, die ihn vom leidvollen Dasein als Familienvater erlöst. Stattdessen kommt das Amt und jetzt wird es wirklich eng für Franz. Mithilfe einer App soll er endlich wieder auf Linie gebracht werden. | Mit: Hermann Bohlen, Rubi Lorentz, Toni Lorentz, Tanja Wedhorn, Thelma Buabeng, Heiko Pinkowski, Zara-Rachel Schöneck, Matti Kaminski und Mariola Brillowska | Dramaturgie: Katrin Zipse | Autorenproduktion für den SWR 2022
Position 2: Gneta und Pepi haben Franz zum Posaunenunterricht angemeldet. Vielleicht bringt ihn das wieder ins Lot. Verbesserung der Gehirnleistung und so. Von wegen. Jetzt nennt er auch noch seine Posaune „Furzknochen“ und übt Musikstücke, die sie ihm gleich wieder verbieten müssen. | Mit: Hermann Bohlen, Rubi Lorentz, Toni Lorentz, Tanja Wedhorn, Thelma Buabeng, Heiko Pinkowski, Zara-Rachel Schöneck, Matti Kaminski und Mariola Brillowska | Dramaturgie: Katrin Zipse | Autorenproduktion für den SWR 2022
Mito ou realidade? A ideia de que sistemas com alta usabilidade tem pouca segurança é mesmo uma afirmativa válida? No Enzimas de hoje, João Lorentz, Designer de Produto na dti, veio esclarecer as lendas que cercam o design e a segurança dos sistemas. Dá o play e confira! Quer conversar com Os Agilistas? É só mandar sua dúvida/sugestão para @osagilistas no Instagram ou pelo e-mail osagilistas@dtidigital.com.br que nós responderemos em um de nossos conteúdos! See omnystudio.com/listener for privacy information.
In this podcast episode, MRS Bulletin's Laura Leay interviews Michael Dickey from North Carolina State University about his work manipulating liquid gallium. When submerged in an aqueous solution, liquid gallium will form a sphere. When fed by gravity through a thin nozzle that is surrounded by aqueous solution, it will instead flow into the shape of a wire. Passing an electrical current through the liquid metal wire means that a magnetic field is created, which means the wire can be shaped using external magnets, following the Lorentz force. This research was published in a recent issue of the Proceedings of the National Academy of Sciences (doi:10.1073/pnas.2117535119).
Den hyllade musikern Lorentz lämnar sin artistkarriär bakom sig och debuterar som poet med sin allra första diktsamling "En dans den döda sommaren". Reporter: Tove Lindell.
Valérie Lorentz-Poinsot, directrice générale de Boiron France, était l'invitée de Christophe Jakubyszyn dans Good Morning Business, ce mercredi 18 mai. Ils [sont revenus sur le programme de Boiron au sujet de sa filiale en Russie avecla guerre en Ukraine sur BFM Business. Retrouvez l'émission du lundi au vendredi et réécoutez la en podcast.
We speak, the team listens! This week we had on the amazing Lindsey Holmes - Canes, Leafs, Bruins fan. We talk about her finding the Canes, coming from a hockey family, Toronto security won't just let anyone meet Austin Matthews, and more. Also in this episode: Canes v Bruins Round 1 : expecting a road split Pyotr steps up Nino proves he deserves a contract Svech legally crushes Lindholm No major for boarding Smith? Google Translate FTW for Baby Goalie - language doesn't seem to be an issue on the ice for Pyotr Martinook out - possible ankle injury Domi has been invisible in a bad way Bring in Stepan and Lorentz. PP did score 2, but is still at 11.8% (needs to be faster and less predictable 1-3-1? overload?) We play Tropical Depression, Tropical Storm, & Hurricane Jasper Fast is invisible in a good way Quickly we look around the playoffs. Happy birthday to the podcast! Happy birthday to Luke Prokop! Bailey Curtis' question - short answer Laurel Wheeler Some honest talk about the intersection of our podcast and the Canes fanbase (representation matters, inclusion matters, remember this is OUR team) Game 4 and 5 predictions
Matt, Alex, and Brandon welcome Steven Lorentz back on the heels of his 100th NHL game, and chat with Hurricanes reporter Walt Ruff about the addition of Max Domi and where the Hurricanes stand in a loaded Eastern Conference. If you or someone you know has a gambling problem, crisis counseling and referral services can be accessed by calling 1-800-GAMBLER (1-800-426-2537) (IL/IN/MI/NJ/PA/WV/WY), 1-800-NEXT STEP (AZ), 1-800-522-4700 (CO/NH), 888-789-7777/visit http://ccpg.org/chat (CT), 1-800-BETS OFF (IA), 1-877-770-STOP (7867) (LA), 877-8-HOPENY/text HOPENY (467369) (NY), visit OPGR.org (OR), call/text TN REDLINE 1-800-889-9789 (TN), or 1-888-532-3500 (VA). 21+ (18+ NH/WY). Physically present in AZ/CO/CT/IL/IN/IA/LA/MI/NH/NJ/NY/OR/ PA/TN/VA/WV/WY only. Min. $5 deposit required. Eligibility restrictions apply. See http://draftkings.com/sportsbook for details.