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Episode: 3266 Fireworks, Firecrackers, and Lunar New Year. Today, we ring the new year in with a bang.
Episode: 3353 An example showing how music, like other technologies, evolves. Today, a lesson from an old song.
Episode: 1530 Medieval masons and the mischief of success. Today, we meet a medieval mason.
Episode: 1529 Osborne Reynolds: of sand Reynolds Numbers. Today, a great Victorian engineer.
Episode: 1527 How Clean Water triggered the Great Polio Epidemics. Today, we wonder where polio came from.
Episode: 2559 Going, Going, Gone! A look at auctions. Today, going, going, gone!
Episode: 2035 The Gunpowder Plot: Terrorism little-changed in four hundred years. Today, historian Cathy Patterson asks us to "Remember, remember, the fifth of November.
Episode: 2739 Evolution of the Hall from Anglo-Saxon times to the present. Today, a room without a view.
Episode: 1526 Learning speech: the Paleolithic technological explosion. Today, we learn to talk.
Matthew Shindell outlines the history of robotic exploration, from Mariner to Ingenuity, while noting the political and technical hurdles facing future human missions to Mars.
Episode: 1525 Liberty ships: an amateur takes over the trade. Today, an amateur builds ships.
Episode: 1524 The other great fire of 1871: Peshtigo, Wisconsin. Today, the other great fire.
Headlines and the Shot of the Day
Episode: 1523 On saying goodbye to lighthouses and cabooses. Today, we say goodbye to lighthouses and cabooses.
Episode: 2556 Euclid's Elements, David Hilbert, and modern notions of mathematical abstraction. Today, making a point.
Episode: 3352 A Taste of Orange. Today we are "Tasting Orange".
Episode: 3350 Today honoring a special group of women scientists. Pickering's Harem.
Episode: 3351 The curious struggle of the Crossbow. History is full of instances where armies cling to outmoded weapons.
Episode: 1522 A 1950 prediction of technology in the year 2000. Today, we go fifty years into the future.
How can a helicopter fly in space? How does LIGO detect gravitational waves? How do quantum electronic devices like Josephson junctions work? Could AI turn evil and destroy humanity? What about those grabby aliens? In this episode of Chuck GPT, Dr. Charles Liu and co-host Allen Liu answer audience questions about the technology of astronomy, astrophysics, and the future. To read those questions, we welcome back our executive producer Leslie Mullen, community director Stacey Severn, and intern Eleanor Adams. As always, though, we start off with the day's joyfully cool cosmic thing: the ESA's new Deep Space Antenna in Australia. This fourth antenna in ESA's network will be used to manage communications for their slate of upcoming missions. For our first audience question, Anna asks, “How is it possible that a helicopter can work in space? I heard that NASA launched a helicopter to Mars and is going to send one to Saturn in a few years.” Leslie, who worked at JPL, talks about the Perseverance Rover and its helicopter, Ingenuity. She explains that they're not actually flying in space, but in the atmospheres of a planet or a moon. Even so, the thin atmosphere of Mars (less than 1% of Earth's) created unique problems that don't exist on Earth. Leslie got to interview the inventor of Ingenuity, Bob Balaram, in her JPL podcast episode, “Flying with Ingenuity.” She describes how JPL tested the helicopter here on Earth, and what it was like the moment Ingenuity actually took flight. The team discusses Dragonfly, the helicopter that will be flying on Saturn's moon Titan, and how Titan's thick methane atmosphere creates an entirely different set of engineering problems than Ingenuity faced on Mars. Stacey reads our next question, from Joe: “Gravitational wave detectors like LIGO are said to detect changes in the length of space by less than the width of a proton. But how is that possible, if all the atoms that make up LIGO are so much bigger than protons?” Chuck explains interferometry (the I in LIGO!) and Allen offers a great analogy using a ruler. Eleanor reads a question from TikTok, which Esmeregildo asked in response to our video about Josephson Junctions and the Nobel Prize in Physics: “What is the purpose of the insulating barrier?” Chuck's answer takes us down a quantum tunneling rabbit hole, filled with superconductors, insulators, and quantum computing. Diane asks: “Professor, you say that astronomers have used AI for a long time so you're not afraid of AI. But AI isn't being used by just scientists anymore, and corporations are using AI to make money now rather than to make scientific advances. So should we be afraid of AI today? Could AI turn evil soon and destroy humanity?” Allen, co-author of a soon-to-be published book about AI, offers a mostly hopeful answer, although Chuck compares AI to nuclear power and Leslie brings up real world problems AI is already creating. Our last question from our audience is, “Hi Dr. Liu, I heard you talking about grabby aliens recently. Could you explain the concept a little more? For example, would humans be grabby aliens if we explore space and colonize Mars and we find there's life there? Would we have to destroy grabby aliens right away if we find them, or would we have to hide from them?” It's the perfect way to end this edition of Chuck GPT! We hope you enjoy this episode of The LIUniverse, and, if you do, please support us on Patreon. Image Credits: ESA's first and fourth Deep Space Antennas. Credit: European Space Agency Map showing locations of ESA tracking (Estrack) stations as of 2017. Credit: European Space Agency Video of Perseverance landing on Mars. Credit: NASA/JPL-Caltech Ingenuity on the surface of Mars. Credit: NASA/JPL-Caltech Anatomy of the Mars helicopter Ingenuity. Credit: NASA/JPL-Caltech Ingenuity's Test Chamber. Credit: NASA/JPL-Caltech Ingenuity in the Test Chamber. Credit: NASA/JPL-Caltech Video of Ingenuity altimeter data and the first flight as seen from Perseverance. Credit: NASA/JPL-Caltech Dragonfly space probe concept art. Credit: NASA/Johns Hopkins-APL Titan's thick methane atmosphere gives it a fuzzy yellow look. Credit: NASA/JPL-Caltech/Space Science Institute Tuned Mass Damper used to stabilize buildings during earthquakes. Credit: CC Josephson Junction. Credit: Public Domain Josephson junction array chip developed by the National Institute of Standards & Technology. Credit: Public Domain CHAPTERS 03:08 - Joyfully Cool Cosmic Thing of the Day –New ESA Deep Space Antenna 07:36 - How Can the Ingenuity Helicopter Fly on Mars? 16:26 - How Can the Dragonfly Helicopter Fly on Saturn's Moon Titan? 19:44 - How does LIGO detect gravitational waves? 26:01 - Josephson Junctions, Quantum Tunneling, and Superconductors Explained 36:00 - Could AI Turn Evil Soon and Destroy Humanity? 44:48 - Would Humans Be Grabby Aliens if We Explore Space and Colonize Mars? #LIUniverse #SciencePodcast #AstronomyPodcast #LIGO #ArtificialIntelligence
Episode: 1521 John P. Parker, slave, freedom-fighter, inventor, and businessman. Today, we follow a slave out of slavery.
Episode: 1520 In which automobile makers gradually learn aerodynamics. Today, aerodynamics and automobiles.
Episode: 2555 The brave new world of digitizing books for the Web. Today, this old book.
Episode: 2862 Randomness out of Nothingness. Today, let's talk about how to pick random numbers out of thin air.
SpaceTime with Stuart Gary | Astronomy, Space & Science News
SpaceTime with Stuart Gary Gary - Series 29 Episode 15In this episode of SpaceTime, we uncover intriguing discoveries about Mercury's geological activity, NASA's innovative Dragonfly mission to Titan, and the environmental impacts of rocket fuel pollution.Mercury's Surprising StreaksA new study reveals bright streaks, or lineae, on Mercury's surface, suggesting the planet is not as geologically inactive as previously thought. Researchers from the University of Bern utilized machine learning to analyze over 100,000 images from NASA's MESSENGER spacecraft, discovering that these streaks are likely caused by the outgassing of volatile materials from beneath Mercury's crust. This finding indicates ongoing geological processes and will be further explored by the BepiColombo mission, set to reach Mercury later this year.NASA's Dragonfly Mission to TitanNASA is developing the Dragonfly, a car-sized rotocopter designed to explore Saturn's moon Titan, which features methane and ethane lakes. Scheduled for launch in 2028, Dragonfly will utilize Titan's dense atmosphere to fly to various locations, examining environments that may harbor organic materials essential for life. The mission builds on the success of the Ingenuity rotocopter on Mars, with extensive testing underway to ensure optimal performance in Titan's unique conditions.Rocket Fuel Pollution and the Ozone LayerA recent study highlights the damaging effects of burning rocket fuels, such as kerosene, on Earth's ozone layer. The report indicates that the rapid growth of the rocket launch industry is exacerbating this issue, particularly affecting regions like Antarctica and parts of Australia. Researchers are calling for restrictions on the use of these fuels to mitigate environmental harm.www.spacetimewithstuartgary.com✍️ Episode ReferencesNature Communications, Earth and EnvironmentClimate and Atmospheric ScienceBecome a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-your-guide-to-space-astronomy--2458531/support.(00:00:00) Streaks on the surface of Mercury suggesting it's not quite dead yet(00:11:13) Burning rocket fuel damages Earth's ozone layer, study finds(00:12:28) A new study claims cyber attacks can spark intense social media discussions(00:14:53) Apple bans anti woke Holly Valent song from iTunes in Australia(00:16:39) Apple has now had hypertension notifications authorized by the TGN(00:18:04) Space Time is available every Monday, Wednesday and Friday through bitesz. com
Episode: 3349 The Inhuman Distances of the Speed of Light. Today, inhuman distances.
A powerful story of unconditional love, biblical wisdom, and transformational parenting on The VIBE Podcast with Kelly Cardenas. In this emotional and motivational episode, Kelly shares how his mother's simple words — “I'd love you even with poop on your face” — carried life-changing wisdom rooted in Proverbs 31.Growing up, I gave my mom plenty of reasons to quit on me.My name on the board with checkmarks.Detention.Coming home late.Not doing homework.Bad grades.Procrastination.Stupid financial decisions.Horrible music.Silly brushes with the law.And some truly bad judgment.And through it all… she loved me anyway.We used to laugh every time she said she'd love me even with poop on my face. But only now — as a parent — do I realize the profound strength packed inside that one sentence.That wasn't just humor.That was wisdom.That was perseverance.That was unconditional love in action.My mom wasn't beating me with the Bible or preaching sermons at me.She was living Proverbs 31 every single day.She modeled:Confidence.Hard work.Wisdom.Prudence.Honor.Ingenuity.Perseverance.Beauty of character.And because of her character, our family was built on respect, resilience, and reverence.The true power of a mother isn't just what she says — it's what she endures with love and grace.She didn't just promise she'd love me through my mess…She proved it.This episode of The VIBE Podcast is for anyone who's ever felt imperfect but deeply loved — and for parents who are building foundations that will last generations.
Episode: 1519 Learning to acquire knowledge and create it at the same time. Today, we wonder where knowledge comes from.
Episode: 1518 A concern about computers and the redefinition of reality. Today, we try to tell fact from fiction.
Episode: 1517 The very odd bridge that Roebling almost built. Today, a strange bridge.
Episode: 1516 In which we must save the lore as well as the plants. Today, we have to save more than the endangered plants.
Episode: 2554 The Creativity of Slogans and Jingles. Today, "think different."
Episode: 3090 Friedrich Richard Petri. Today, drawing the frontier.
Episode: 2881 Racial Mythologies: Hans Günther vs. Julian Huxley on the Concept of Race. Today, poison in the library.
Episode: 1515 The would-be discovery of oxygen and scientific revolution. Today, let's try to find out who discovered oxygen.
Episode: 1514 The resistance movement: a look at ongoing evolution. Today, we watch creatures evolving around us.
Episode: 1513 The Accidental Creationist: In which science changes with the telling of it. Today, the problem of telling about science.
Episode: 1512 The corner store: a retail outlet that is lost but not forgotten. Today, let's buy candy at the corner store.
Episode: 2552 Frederick the Great, Patron of the Arts. Today, what made Frederick great?
Episode: 2836 Bumping into Signs: Emergent Semiotic Spaces. Today, signs of the times.
Episode: 2243 Organizing for disaster: One place where New Orleans did it right. Today, our guest, UH journalist Michael Berryhill, prepares for a rainy day.
Episode: 1511 In which the lotus blossom gives a lesson in engineering design. Today, lotus petals and high-tech.
Episode: 1510 Thomas Sopwith's hundredth birthday. Today, we meet the oldest airplane designer.
Episode: 1509 Late 18th century competition among roads, canals and railways. Today, we look at roads, canals, and railways.
Episode: 1508 The alchemists and chemistry before the middle 19th century. Today, we remember alchemy.
Episode: 2550 Could Napoleon have proved Napoleon's Theorem? Today, did he, or didn't he?
Scouting Mars: The Future of Starship and HelicoptersPREVIEW FOR LATER: GUEST BOB ZIMMERMAN. Bob Zimmerman explores plans for future Mars helicopters following Ingenuity's success. Scientists are currently scouting Starship landing zones rich in near-surface water ice. Zimmerman urges collaboration with SpaceX, as Starship's massive payload capacity offers a prime opportunity for launching essential scout vehicles by 2030.1957
Episode: 3244 Bias and Diversity in Photography and Face Recognition Software. Today, bodies, in beautiful black and white.
Episode: 1856 Form and feeling, a necessary partnership. Today, our guest. Seattle actor Megan Cole, considers a necessary partnership.
Episode: 1507 Rediscovering lighter-than-air flight. Today, do you suppose you'll ever get to ride in a dirigible?