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PODCAST

The LIUniverse with Dr. Charles Liu

A half-hour dose of cosmic conversation with scientists, educators and students about the cosmos, scientific frontiers, scifi, comics, and more. Hosted by Dr. Charles Liu, PhD, an astrophysicist at the American Museum of Natural History. Support us on Patreon.

science astronomy

All Episodes

28:13

Particle Physics with Dr. Lesya Horyn

The LIUniverse with Dr. Charles Liu ·

2023/06/24

What is the universe made of? Will we ever have a complete list of all the particles that make up existence? To find out, Dr. Charles Liu and co-host Allen Liu welcome Dr. Lesya Horyn, PhD, a Fermilab researcher working at the Large Hadron Collider (LHC) at CERN in Switzerland. As always, though, we start off with the day’s joyfully cool cosmic thing, which takes us to Brookhaven National Laboratory in Long Island, NY, where scientists have figured out how to make matter from energy. They smashed

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29:36

The Poetry of the Stars with Midge Goldberg and Yun Wang

The LIUniverse with Dr. Charles Liu ·

2023/06/10

We often hear about the music of the spheres, but why not the poetry of the stars? In this episode Dr. Charles Liu and co-host Allen Liu welcome poet/astronomer/cosmologist Dr. Yun Wang and poet/author Midge Goldberg, editor of “Outer Space: 100 Poems” that includes Yun’s poem, “Space Journal: Serendipity.” As always, though, we start off with the day’s joyfully cool cosmic thing, a possible candidate relativistic tidal disruption event. Put another way, in a galaxy far, far away, a supermassive

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31:02

Science and the Future with Dr. Andrew Maynard

The LIUniverse with Dr. Charles Liu ·

2023/05/27

How does the science of today lead us into the future we’ve imagined? To find out, Dr. Charles Liu and co-host Allen Liu welcome scientist, futurist and podcaster Andrew Maynard, PhD from Arizona State University. Dr. Maynard’s career has taken him from physicist to futurist, with sojourns in risk analysis, nanotechnology, synthetic biology, artificial intelligence, and of course, science communication. To begin, we travel back to Andrew’s early days studying aerosol physics, using electron

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26:36

Studying Stars with Dr. Isabel Colman

The LIUniverse with Dr. Charles Liu ·

2023/05/13

How do we study the spinning of stars? What is astroseismology? And what does data science have in common with “the music of the spheres?” To find out, Dr. Charles Liu and co-host Allen Liu welcome astrophysicist Dr. Isabel Colman, PhD, a postdoctoral fellow from the American Museum of Natural History, who studies stellar rotation through a data science perspective. As always, though, we start off with the day’s joyfully cool cosmic thing, C/2022 E3 ZTF, aka the “Green Comet.” After Chuck regales us

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27:02

Hunting Meteorites with Geoff Notkin

The LIUniverse with Dr. Charles Liu ·

2023/04/29

Are you ready to meet The Meteorite Man? On this atypical episode of The LIUniverse, rather than our usual working scientist, academic or researcher guests, Dr. Charles Liu and co-host Allen Liu welcome famous meteor hunter Geoff Notkin. And he brought show and tell! “It is a strange truth… in our world of space rocks, that meteorites, more often than not, especially the rare or super desirable ones, are in the most inconvenient places.” (Although you will hear about this one time, in 1998, when the

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30:56

The LIUniverse: Sailing to Mars with Sarah Al-Ahmed...

The LIUniverse with Dr. Charles Liu ·

2023/04/15

Was there ever life on Mars? Where can your passion for astronomy and cosplaying take you? And what the heck is a Light Sail? To get the answer to these and other questions, Dr. Charles Liu and co-host Allen Liu welcome Sarah Al-Ahmed, host of The Planetary Society’s podcast, Planetary Radio. As always, though, we start off with the day’s joyfully cool cosmic thing: a new ice-filled hole on Mars! Thanks to data from the Mars Insight Lander and the Mars Reconnaissance Orbiter, we know now that the

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27:45

Simulating Galaxies with Paco Holguin

The LIUniverse with Dr. Charles Liu ·

2023/04/01

How can we create accurate models of galaxies, both ours and others? To find out, Dr. Charles Liu and co-host Allen Liu welcome Paco Holguin, a graduate researcher at the University of Michigan Dept. of Astronomy who specializes in computational astrophysics and galactic simulations. As always, though, we start off with the day’s joyfully cool cosmic thing: neutron decay. The scientists at Los Alamos National Lab have recently determined that the half-life of a neutron is 877+/- 0.5 seconds, or

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30:41

The LIUniverse: Weather Satellites with Andy Green

The LIUniverse with Dr. Charles Liu ·

2023/03/18

Can you turn your passion for science into a career that helps keep millions of people safe from severe weather and includes launching your own satellites into space? To find out. Dr. Charles Liu and co-host Allen Liu welcome Andy Green, the entrepreneur and self-confessed computer nerd who runs MyRadar. As always, though, we start off with the day’s joyfully cool cosmic thing, which has to do with weather... but on another planet! We’re talking about the latest infrared image of Jupiter showing

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59:58

New York Comic Con: The Science of Science Fiction 2

The LIUniverse with Dr. Charles Liu ·

2023/03/04

Are we all mutants? Can we all be superheroes? Is the multiverse all in our heads? Welcome to Season 2 of The LIUniverse with Dr. Charles Liu. We’re kicking off this season the same way we did last season, with “The Science of Science Fiction” – our latest standing-room-only panel from the most recent New York Comic Con. Chuck’s guests this time around were neuroscientist and clinical psychologist Dr. Heather Berlin and geneticist Dr. Dan Ginsburg. Join us as we delve into the science surrounding

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30:23

Searching for Exoplanets with Jackie Villadsen

The LIUniverse with Dr. Charles Liu ·

2023/02/18

What can exoplanets teach us about our own solar system? Dr. Charles Liu explores the furthest reaches of our galaxy with the help of Vassar College astrophysicist Jackie Villadsen and co-host Allen Liu. As always, our episode starts with the day’s cosmically cool thing: a weird and fun exoplanet system called K2-290 that’s exhibiting some crazy celestial mechanics. Find out what a K2 designation means, how the Kepler space telescope overcame a mechanical disaster, and why reaction wheels are

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26:57

How Planets Live and Die, with Sam Grunblatt

The LIUniverse with Dr. Charles Liu ·

2023/02/18

What’s going to happen to our planet Earth when our Sun turns into a red giant? Dr. Charles Liu explores planetary evolution and death with exoplanet specialist Sam Grunblatt, the Kalbfleisch postdoctoral fellow at the American Museum of Natural History Department of Astrophysics, who studies planetary archaeology and stellar astrophysics, and co-host Allen Liu. Sam’s most recent paper is about “hot Jupiters” at the end of their lifespans, racing around their stars in orbits just a few days

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29:04

Space Telescopes with Dr. Alexandra Greenbaum

The LIUniverse with Dr. Charles Liu ·

2023/02/18

Are we living in a golden age of space telescopes? As our minds are being collectively blown by the images of our universe beginning to come from the JWST, our host Dr. Charles Liu and co-host Allen Liu explore the next space telescope on the horizon, the Nancy Grace Roman Space Telescope, with our guest, astronomer Dr. Alexandra Greenbaum, PhD. Dr. Greenbaum is an astronomer at Caltech working on the NGRST, which is set to launch in 2027. Named after Nancy Roman, who created NASA's space

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36:25

Adventures in Science with Geoff Notkin, Dr. Andrew...

The LIUniverse with Dr. Charles Liu ·

2023/02/18

Can your passions for science, science fiction, space, fossils and even opera lead you to a life of adventure and maybe a career in science? To find out, Dr. Charles Liu and co-host Allen Liu welcome returning guest Geoff Notkin, The Meteorite Man, and the co-hosts of the “Mission: Interplanetary” podcast, physicist/futurist Dr. Andrew Maynard and chemist/astronaut Dr. Cady Coleman. All three of our guests have had interesting journeys and adventures in their careers. They’re here to discuss

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30:18

Nuclear Fusion with Christina Migliore

The LIUniverse with Dr. Charles Liu ·

2023/02/18

NOTE: This episode was recorded in early 2022, before the invasion of Ukraine by Russia and their attack on the Chernobyl nuclear facility, which we discuss. What’s up with nuclear fusion? Dr. Charles Liu dives into the heated subject with the help of MIT Nuclear Physicist Christina Migliore and co-host Allen Liu. We start with today’s joyfully cool cosmic thing: the JET, or Joint European Torus. JET is a “giant metal donut” in the UK engaged in plasma physics and nuclear fusion. You’ll learn

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31:05

Black Holes, Galaxies, and The Expanse with Jimmy Negus

The LIUniverse with Dr. Charles Liu ·

2023/02/18

Welcome to the first ever episode of the LIUniverse, your happy half hour dose of cosmic conversation and geeky banter with host Dr. Charles Liu! In this episode, we talk quasars, “The Expanse”, and more with our guest Jimmy Negus, PhD candidate at the University of Colorado Boulder, and with our co-host Allen Liu. The trio discuss Jimmy’s research on active galactic nuclei (AGNs), including some that might not even be in a galaxy’s nucleus at all, plus some sci-fi stories that have them hooked, and

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55 results

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