What Was There Before The Big Bang?
16:58
What Was There Before the Big Bang? 3 Good Hypotheses!
10:11
Brian Cox - What Was There Before The Big Bang?
24:52
The Most Useful Thing AI Has Ever Done
20:00
A Simple Diagram That Will Change How You See Space and Time
16:40
I never understood why you can't go faster than light - until now!
16:01
String Theory
19:00
"This Universe Existed before The Big Bang" ft. Roger Penrose
15:43