41 - The Hubble Tension: The Biggest Fight in...

In 2023, Dan made a bet with physicist Yoni Kahn about whether AI would be able to pass a graduate-level quantum field theory course by 2026. Today on the show, they revisit their bet and discuss what AI is capable of in physics today, and how it might change the field moving for ...  Show more

Modern physics tells us a lot about light; that it's both a wave and a particle, and that it sets the speed limit of the universe, for example. But how did we come to understand light in this way?In Dan's first solo episode, he takes us through theories of light through the ages, ...  Show more

Two researchers who have switched sides in this heated cosmic debate 

Our space and physics editors go head-to-head over a classic mind-bending question. Learn more about your ad choices. Visit megaphone.fm/adchoices 

Daniel and Jorge talk about how to use different cosmic rulers to measure the expansion of the Universe.See omnystudio.com/listener for privacy information. 

A century ago, astronomers were locked in a debate about the scope of our universe. Were we it? The answer is no. There are other galaxies beyond the Milky Way, and they are speeding away from us. Answering that question left astronomers with an even bigger puzzle. Why is everyth ...  Show more