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.


Episoder(418)

201 | Ed Yong on How Animals Sense the World

201 | Ed Yong on How Animals Sense the World

All of us construct models of the world, and update them on the basis of evidence brought to us by our senses. Scientists try to be more rigorous about it, but we all do it. It's natural that this pro...

20 Jun 20221h 9min

AMA | June 2022

AMA | June 2022

Welcome to the June 2022 Ask Me Anything episode of Mindscape! We are inaugurating a slightly different publication schedule, in which these monthly AMA will take the place of one of the regular Monda...

13 Jun 20223h 4min

200 | Solo: The Philosophy of the Multiverse

200 | Solo: The Philosophy of the Multiverse

The 200th episode of Mindscape! Thanks to everyone for sticking around for this long. To celebrate, a solo episode discussing a set of issues naturally arising at the intersection of philosophy and ph...

6 Jun 20222h 14min

199 | Elizabeth Cohen on Time and Other Political Values

199 | Elizabeth Cohen on Time and Other Political Values

Time is everywhere, pervading each aspect of intellectual inquiry — from physics to philosophy to biology to psychology, and all the way up to politics. Considerations of time help govern a nation's s...

30 Mai 20221h 12min

198 | Nick Lane on Powering Biology

198 | Nick Lane on Powering Biology

The origin of life here on Earth was an important and fascinating event, but it was also a long time ago and hasn't left many pieces of direct evidence concerning what actually happened. One set of cl...

23 Mai 20221h 25min

197 | Catherine Brinkley on the Science of Cities

197 | Catherine Brinkley on the Science of Cities

The concept of the city is a crucial one for human civilization: people living in proximity, bringing in resources from outside, separated from the labors of subsistence so they can engage in the trad...

16 Mai 20221h 8min

AMA | May 2022

AMA | May 2022

Welcome to the May 2022 Ask Me Anything episode of Mindscape! These monthly excursions are funded by Patreon supporters (who are also the ones asking the questions). I take the large number of questio...

12 Mai 20223h 36min

196 | Judea Pearl on Cause and Effect

196 | Judea Pearl on Cause and Effect

To say that event A causes event B is to not only make a claim about our actual world, but about other possible worlds — in worlds where A didn't happen but everything else was the same, B would not h...

9 Mai 20221h 16min

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