The Paradoxes of Time Travel
25:22
Q&A: The secrets of Einstein's unknown equation – with Sean Carroll
44:23
The story of time, with Professor Jim Al-Khalili | Humanists UK Convention 2024
1:09:09
When Will We Find the Extraterrestrials?
28:28
Russell's Paradox - a simple explanation of a profound problem
1:06:39
Mysteries of Modern Physics by Sean Carroll
30:17
What Is Time? | Professor Sean Carroll Explains Presentism and Eternalism
1:06:44
2023 Paul D. Bartlett, Sr. Lecture - The Search for Extraterrestrial Life & Our Future in the Stars
57:04