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

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

It's been a while! To make up for lost time, today's episode is a rundown of all the physics news you should know. Hear what is keeping physicists at the edge of their seat, and what physics news you should keep your eyes out for in the coming years.Also, this episode comes with ...  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