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Sunday Science: STARTALK When Black Holes Collide, With Nergis Mavalvala

Neil deGrasse Tyson, Harrison Greebaum, Nergis Mavalvala StarTalk
Ripples in spacetime? Neil deGrasse Tyson and comedian Harrison Greenbaum explore black hole collisions, quantum tricks, and how gravitational waves can help us uncover the early universe with MIT physicist and LIGO researcher Nergis Mavalvala.

Science Sunday: Have We Finally Found Dark Matter?

Paul M. Sutter Paul Sutter's Near Futures
Astronomers believe that a mysterious, invisible substance fills up the universe. Known as dark matter, they think it is a new kind of particle. But efforts over decades to find this particle have come up short.

Lessons of a Weimar Anti-Fascist in Palestine

Barry Yourgrau The Nation
After my father fled Nazi Germany in 1933, he witnessed a toxic new nationalism rising among Jews in Palestine—and was silenced for trying to warn of its dangers.

Sunday Science: A New Test for Quantum Gravity

Sabine Hossenfelder Sabine Hossenfelder
After countless attempts to develop a theory of quantum gravity, physicists are now trying their hand at measuring it through various experiments. This week we have a new proposal for an experiment, and it's a quite clever idea. Let’s have a look.

Sunday Science: How Does Gravity Escape a Black Hole?

Sabine Hossenfelder Sabine Hossenfelder
If nothing gets out of a black hole, how does gravity do it? Something with virtual gravitons? Is this really necessary? It's tricky question, but this is what I can say without resorting to equations.
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