Is Interstellar Travel Impossible?
21:14
Interstellar Expansion WITHOUT Faster Than Light Travel
20:50
What If Humanity Is Among The First Spacefaring Civilizations?
10:13
Um, no you can't say S = Lim S. It's garbage. 1/3 = 0.333... and 1 = 0.999... is drivel.
15:38
Why Is 1/137 One of the Greatest Unsolved Problems In Physics?
25:08
Why Going Faster-Than-Light Leads to Time Paradoxes
21:56
What If Alien Life Were Silicon-Based?
26:02
What If Space And Time Are NOT Real?
18:55