Podcasts about davide castelvecchi

In this eye-opening episode of TCAST, Alexander McCaig and Jason Rigby dive deep—literally—into the consequences of our insatiable thirst for groundwater. Can human activity really impact the tilt of the Earth's axis? The revelation that rampant groundwater pumping has led to measurable shifts in the planet's rotation is more than just groundbreaking—it's a testament to the scale of human influence on our planet. Join us as we explore how and why this is happening and what it means for our future. Show Notes: Introduction A quick recap of the article from Scientific American by Davide Castelvecchi. The astonishing fact: Earth has lost over 2 trillion tons of groundwater between 1993 and 2010. The Earth Wobbles Explanation of how the tilt of Earth's axis is generally stable. How significant shifts can occur when large masses relocate within and on the surface of the planet. A Deeper Dive with Ki-Weon Seo's Insights Discussing Seo's findings and his journey to understand the changes in Earth's water content. Unraveling the mystery: how groundwater was the missing piece in explaining the tilt. Gravitational Surveys & Their Revelations The link between irrigation practices, particularly in northwestern India and western North America, and depletion of underground reservoirs. How this depletion has contributed to global sea-level rise. Consequences & Future Implications Delving into the potential outcomes of the shift in Earth's axis. The direction of the shift: towards Russia's Novaya Zemlya islands. Allegra LeGrande from NASA's take on the impact of this research. Closing Thoughts The broader theme: the undeniable impact of human activities on Earth. How data and technology can help us become more aware and perhaps find solutions. Upcoming on TCAST A sneak peek into future episodes and exciting guests. Recommendations & References: Rampant Groundwater Pumping Has Changed the Tilt of Earth's Axis - Scientific American Research by Ki-Weon Seo, geophysicist at Seoul National University. Insights from Allegra LeGrande, a climate scientist at the NASA Goddard Institute for Space Studies. Connect with TCAST: Follow us on Spotify, Apple Podcasts, and wherever you get your podcasts. Stay updated with the latest trends in big data, AI, and humanity. Dive deep with TCAST.

In this episode:00:46 The effects of evolution on a minimal genomeIn 2016, researchers created a ‘minimal cell' bacterium with a genome that only contains genes essential for the organism's survival. Any mutation in these genes could be fatal, so it was unclear whether there could be scope for evolution. But now, a team has grown this bacterium through 2,000 generations and shown that it does have the ability to evolve and can recover from some of the fitness costs associated with its streamlined genome.Research article: Moger-Reischer et al.09:21 Research HighlightsDolphins use ‘baby talk' when talking to their offspring, and how microwaving plastic containers can release microplastic particles.Research Highlight: Dolphin mums whistle ‘baby talk' with their calvesResearch Highlight: What happens when you microwave that plastic bowl?12:18 The first hints of giant gravitational wavesGravitational waves were first detected in 2015, when two black holes collided — sending ripples in space-time across the Universe. Last week, four separate research collaborations found signatures of a wholly different kind of gravitational wave, with unknown origins. Nature's Davide Castelvecchi explains how these waves were detected, and what this could mean for researchers' understanding of black holes and the history of the cosmos.Nature News: Monster gravitational waves spotted for first timeNature News: Giant gravitational waves: why scientists are so excited20:01 Briefing ChatWe discuss some highlights from the Nature Briefing. This time, new vaccine to protect Tasmanian devils against a deadly contagious cancer, and the ‘paradoxical' palm that flowers and fruits underground.Nature News: Tasmanian devil cancer vaccine approved for testingThe Guardian: ‘Mind-boggling' palm that flowers and fruits underground thrills scientistsSubscribe to Nature Briefing, an unmissable daily round-up of science news, opinion and analysis free in your inbox every weekday. Hosted on Acast. See acast.com/privacy for more information.

Nous voici dans le 46e épisode de Quantum, le podcast de l'actualité quantique francophone. Événements MWC BarceloneLe Mobile World Congress se mettait à la couleur du quantique avec des stands et des sessions.https://www.mwcbarcelona.com/agenda/session/quantum-technologies Mardis de l'InnovationL'informatique quantique : Situation et perspectives applicatives French Tech à Amsterdam Lancement de HQIUn événement avait lieu le 17 février 2023 au siège du CNRS pour lancer la seconde étape du plan de calcul hybride avec GENCI et l'initiative HQI, en liaison avec le TGCC de la CEA-DAM.https://www.linkedin.com/posts/hqi-france_calcul-quantique-techforscience-activity-7032277492610531328-U6GL/https://www.hqi.fr/services-gratuits-demulation-quantique-haute-performance/ Un workshop pour la QEILe workshow fondateurs de la QEI qui aura lieu des 20 au 24 novembre 2023 à Singapour. Les premiers intervenants sont confirmés avec par exemple Michel Devoret (Yale), Benjamin Huard (ENS Lyon), Janet Anders (Exeter University, UK), Peter Zoller (ICOQI, Innsbruck University), Gavin Brennen (Macquarie University), Christiane Koch (Freie Universität Berlin), Satoshi Matsuoka (R-CCS, Tokyo) et Mile Gu (NTU Singapour). https://qei2023.sciencesconf.org/ APS MeetingC'est l'un des plus grands congrès de physiciens au monde, à Las Vegashttps://march.aps.org/schedule Hackathon organisé par QuantXhttps://www.linkedin.com/search/results/content/?keywords=QuantX&sid=f45&update=urn%3Ali%3Afs_updateV2%3A(urn%3Ali%3Aactivity%3A7037343754420133890%2CBLENDED_SEARCH_FEED%2CEMPTY%2CDEFAULT%2Cfalse) Q2B ParisElle a lieu les 4 et 5 mai à Paris https://q2b.qcware.com/2023-conferences/paris/  Actualité des startups du quantique PasqalPasqal sort un nouvel émulateur qui complète Pulser.Cloud on-demand emulation of quantum dynamics with tensor networks par Kemal Bidzhiev et al, Pasqal, Février 2023 (12 pages). Alice&Bobpréprint arXiv Computing 256-bit Elliptic Curve Logarithm in 9 Hours with 126133 Cat Qubits, Élie Gouzien, Diego Ruiz, Francois-Marie Le Régent, Jérémie Guillaud and Nicolas Sangouard, Février 2023 (39 pages). Rigetti Ca ne va pas fort pour Rigetti  https://thequantuminsider.com/2023/02/11/rigetti-lays-off-28-percent-of-staff-focuses-on-narrow-quantum-advantage/ D-Wave aussi en difficultés ?https://thequantuminsider.com/2023/02/17/d-wave-releases-news-on-business-initiatives-balance-sheet-liquidity-updates/https://www.dwavesys.com/company/newsroom/press-release/d-wave-announces-broad-feature-selection-initiative-to-accelerate-ai-ml-workflows-expansion-of-quantum-cloud-service-to-israel/ Quantware Le néerlandais annonçait un processeur de 64 qubits chez les Hollandais de Quantware qui ont la particularité de les vendre à des tiers, surtout des laboratoires.https://www.linkedin.com/posts/quantware_quantumadvantage-quantum-quantumcomputing-activity-7034433708132597760-nRwQ memQLevée de fonds de $2M pour memQ. Une startup de Chicago dont nous parlons pour la première fois et qui développe des mémoires quantiques.https://www.memq.tech/news/seed-press-release Quantum Motion Levée de fonds de £42M chez Quantum Motion, une startup anglaise qui développe des qubits silicium. Au total, ils ont levé £62M.https://thequantuminsider.com/2023/02/21/quantum-motion-raises-42-million-investment-in-latest-funding-round/ Quantum Brilliance Levée de fonds de $18M pour cette startup australo-allemande qui créé des ordinateurs quantiques à base de qubits en NV centers tournant à température ambiante https://thequantuminsider.com/2023/02/14/quantum-brilliance-secures-18-million-usd-in-funding-to-advance-miniaturised-quantum-computers/ Acquisition d'Azurlight Systems par TopticaLe Français Azurlight Systems est cédé à l'Allemand Toptica.https://www.toptica.com/toptica-news/toptica-acquires-azurlight-systems Acquisition de Cryomech par BlueforsEt une autre acquisition, celle de l'Américain Cryomech par le Finlandais Bluefors. C'est le remue-ménage dans la cryogénie !https://www.linkedin.com/posts/bluefors_bluefors-to-acquire-cryomech-creating-a-activity-7036334223326130177-b984 Actualité scientifique Google créé ses premiers qubits logiquesGoogle communiquait largement sur un progrès important dans les codes de correction d'erreur, comme quoi ils auraient en pratique « cracké le code ». L'annonce par Nature : Google's quantum computer hits key milestone by reducing errors par Davide Castelvecchi.L'article dans Nature : Suppressing quantum errors by scaling a surface code logical qubit (7 pages, sans les supplemental materials).Le arXiv d'origine : Surface codes: Towards practical large-scale quantum computation by Austin G. Fowler, Matteo Marianton, John M. Martinis and Andrew Cleland, 2012 (54 pages).Le blog post du CEO de Google Sundar Pichnai : Our progress toward quantum error correction qu'il n'a probablement pas dû écrire lui-même. MicrosoftMicrosoft continue de s'activer sur les fermions de Majorana. See the webinar Why and what is the future of the topological qubit? by Chetan Nayak, Microsoft, November 2022 (22 mn).See InAs-Al Hybrid Devices Passing the Topological Gap Protocol by Morteza Aghaee et al, July 2022-November 2022 (49 pages). IntelIntel lance un compilateur C++ de programmation d'ordinateur quantique couplé à un émulateur supportant jusqu'à 40 qubits.https://www.intel.com/content/www/us/en/newsroom/news/intel-releases-quantum-sdk.htmlhttps://www.01net.com/actualites/intel-apprend-le-c-a-ses-ordinateurs-quantique-pour-seduire-les-programmeurs-classiques.htmlhttps://thequantuminsider.com/2023/03/01/beta-users-put-intels-quantum-sdk-through-its-research-paces/ Thales                                                          papier avec les Suisses de TerraQuantum sur un algorithme quantique de planification de mission d'observation satellite avec de l'apprentissage quantique hybride par renforcement.. Quantum algorithms applied to satellite mission planning for Earth observation by Serge Rainjonneau et al, Février 2023 (13 pages). Autres actualités scientifiques  Flip-Chip Packaging of Fluxonium Qubits par Aaron Somoroff, Oleg Mukhanov et al, Mars 2023 (14 pages). Flip-chip bonding with SFQ for fluxonium qubit drive.

In this episode, Nature reporter Davide Castelvecchi joins us to talk about the big science events to look out for in 2022. We'll hear about vaccines, multiple Moon missions, the push to save biodiversity, and more.News: The science events to watch for in 2022 See acast.com/privacy for privacy and opt-out information.

In this episode of the podcast, Nature reporter Davide Castelvecchi joins us to talk about the big science events to look out for in 2020. See acast.com/privacy for privacy and opt-out information.

This week, researchers released the first image of a black hole at the centre of the M87 galaxy. In this special News Chat, Nature reporter Davide Castelvecchi, who was at a press conference in Brussels where the image was announced, tells Benjamin Thompson about the image and what scientists are saying about it. See acast.com/privacy for privacy and opt-out information.

The Large Hadron Collider is working better than expected. And it's collected oodles of data. But have they found the Higgs, yet? We ask Davide Castelvecchi, who flew to Geneva to find out.

Scientific American math and physics editor Davide Castelvecchi revisits the Monty Hall problem, so you can know whether you're better off holding on to your original pick or switching when new information presents itself

Scientific American editor Davide Castelvecchi joins us from San Francisco to talk about some of the highlights of the meeting of the American Geophysical Union, including volcanoes on Titan, x-rays from lightning, the biota of the Sulawesi Sea, and the connection between light pollution and air pollution. Plus, we'll test your knowledge of some recent science in the news

Scientific American editor Davide Castelvecchi reports from the annual meeting of the American Geophysical Union (AGU) in San Francisco. Subjects include the extinction of the dinosaurs and the Orbiting Carbon Observatory. And CNET Senior Associate Editor Michelle Thatcher gives us the lowdown on netbooks and tablet PCs. Plus, we'll test your knowledge about some recent science in the news. Web sites related to this episode include www.agu.org; crave.cnet.com