8:14

What is Spacetime, Exactly?

11:50

What the HECK is Time?! (in Einstein’s Relativity)

13:57

Was the Universe EVER this Small?

10:16

I've been WRONG about Supernovas my Entire Career

9:07

The Sun can’t work without Quantum Tunneling

19:15

Here are 3 ways a Multiverse could exist.

21:25

We Can't Measure* Distance In Outer Space!

19:35

What Are Particles? Do They ACTUALLY Exist?!