Comment Nous Pourrions Bâtir une Base Lunaire Dès AUJOURD'HUI - Colonisation Spatiale 1
7:56
Building a Marsbase is a Horrible Idea: Let’s do it!
7:00
1,000km Cable to the Stars - The Skyhook
21:25
How Every Country Got Nuclear Weapons Explained
33:37
Something Strange Happens When You Trust Quantum Mechanics
19:52
How much progress have we made on climate change?
42:30
You Are Witnessing the Death of American Capitalism
14:53
Answering Your Dumb Jupiter Questions
16:29