96 | Lina Necib on What and Where the Dark Matter Is

96 | Lina Necib on What and Where the Dark Matter Is

The past few centuries of scientific progress have displaced humanity from the center of it all: the Earth is not at the middle of the Solar System, the Sun is but one star in a large galaxy, there are trillions of galaxies, and so on. Now we know that we're not even made of the same stuff as most of the universe; for every amount of ordinary atoms and other known particles, there is five times as much dark matter, some kind of stuff we haven't identified in laboratory experiments. But we do know a great deal about the behavior of dark matter. I talk with Lina Necib about why we think there's dark matter, what it might be, and how it's distributed in the galaxy. The latter question has seen enormous recent progress, especially from high-precision measurements of the distribution of stars in the Milky Way.

Support Mindscape on Patreon.

Lina Necib received her Ph.D. in physics from the Massachusetts Institute of Technology. She is currently a Sherman Fairchild Postdoctoral Scholar in Theoretical Physics at Caltech, and will be an Assistant Professor of Physics at MIT starting in the fall. Her research spans issues in particle physics and astrophysics, especially concerning the nature and distribution of dark matter, as well as techniques for detecting it and constraining its properties.


Avsnitt(416)

236 | Thomas Hertog on Quantum Cosmology and Hawking's Final Theory

236 | Thomas Hertog on Quantum Cosmology and Hawking's Final Theory

Is there a multiverse, and if so, how should we think of ourselves within it? In many modern cosmological models, the universe includes more than one realm, with possibly different laws of physics, an...

15 Maj 20231h 8min

AMA | May 2023

AMA | May 2023

Welcome to the May 2023 Ask Me Anything episode of Mindscape! These monthly excursions are funded by Patreon supporters (who are also the ones asking the questions). We take questions asked by Patreon...

8 Maj 20233h 8min

235 | Andy Clark on the Extended and Predictive Mind

235 | Andy Clark on the Extended and Predictive Mind

What is the mind, and what does it try to do? An overly simplified materialist view might be that the mind emerges from physical processes in the brain. But you can be a materialist and still recogniz...

1 Maj 20231h 21min

234 | Tobias Warnecke on Cellular Structure and Evolution

234 | Tobias Warnecke on Cellular Structure and Evolution

Eukaryotic cells manage to pull off a number of remarkable feats. One is packing quite a long DNA molecule, with potentially billions of base pairs, into a tiny central nucleus. A key role is played b...

24 Apr 20231h 6min

233 | Hugo Mercier on Reasoning and Skepticism

233 | Hugo Mercier on Reasoning and Skepticism

Here at the Mindscape Podcast, we are firmly pro-reason. But what does that mean, fundamentally and in practice? How did humanity come into the idea of not just doing things, but doing things for reas...

17 Apr 20231h 12min

232 | Amy Finkelstein on Adverse Selection and Hidden Information

232 | Amy Finkelstein on Adverse Selection and Hidden Information

If you knew exactly when every person was going to die, or require medical care, you could make a killing buying and selling insurance. Nobody knows these things, of course -- the future is hard to pr...

10 Apr 20231h 13min

Ask Me Anything | April 2023

Ask Me Anything | April 2023

Welcome to the April 2023 Ask Me Anything episode of Mindscape! These monthly excursions are funded by Patreon supporters (who are also the ones asking the questions). We take questions asked by Patre...

3 Apr 20234h 4min

231 | Sarah Bakewell on the History of Humanism

231 | Sarah Bakewell on the History of Humanism

Human beings are small compared to the universe, but we're very important to ourselves. Humanism can be thought of as the idea that human beings are themselves the source of meaningfulness and matteri...

27 Mars 20231h 21min

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