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.

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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.


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Avsnitt(426)

353 | Alvin Roth on the Economics of Morally Contested Markets

353 | Alvin Roth on the Economics of Morally Contested Markets

Economic markets are efficient ways of deciding fair prices, at least in ideal circumstances of perfect competition, information, and choice. But there is more to life than fair prices. Two people mig...

11 Maj 1h 11min

AMA | May 2026

AMA | May 2026

Welcome to the May 2026 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...

4 Maj 4h 6min

352 | Bing Brunton on Connecting the Connectome to the Body

352 | Bing Brunton on Connecting the Connectome to the Body

The connectome is the wiring diagram of a brain, a big matrix that tells us what neurons talk to what other neurons. Understanding it is an important step to understanding how brains work, but a long ...

27 Apr 1h 14min

351 | Peter Singer on Maximizing Good for All Sentient Creatures

351 | Peter Singer on Maximizing Good for All Sentient Creatures

Peter Singer has been an influential philosopher for a number of decades. He was a significant early voice in animal rights, has been a leading thinker of utilitarianism, and helped inspire the effect...

20 Apr 1h 15min

350 | J. Eric Oliver on the Self and How to Know It

350 | J. Eric Oliver on the Self and How to Know It

We are more familiar with ourselves than with anything else in the universe, but we generally don't come very close to really understanding what our "self" is. That's not too surprising, as selves are...

13 Apr 1h 21min

AMA | April 2026

AMA | April 2026

Welcome to the April 2026 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...

5 Apr 3h 46min

349 | Daniel Harlow on What Quantum Gravity Teaches Us About Quantum Mechanics

349 | Daniel Harlow on What Quantum Gravity Teaches Us About Quantum Mechanics

There is something special about gravity. After decades of effort, there is still no convergence on the right way to reconcile Einstein's theory of general relativity with the framework of quantum mec...

30 Mars 1h 25min

348 | Jessica Riskin on Jean-Baptiste Lamarck and Life as Creative Agency

348 | Jessica Riskin on Jean-Baptiste Lamarck and Life as Creative Agency

"Lamarkism" is a term often attached to a seemingly discredited idea in evolutionary biology: that one organism could acquire characteristics (e.g., becoming stronger through exercise) that would then...

23 Mars 1h 15min

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