Space Elevators: Strategies & Status
38:09
Predicciones sobre la tecnología, la civilización y nuestro futuro
25:24
The Fermi Paradox: Hermit Hypothesis
47:23
The Mystery at the Most Dangerous Place on the Moon
25:11
Starship Flight 7 Date Revealed: Why This Mission Is Unlike Any Other
33:40
The Simple Trick That Rules Biology
53:52
Destroyer Development in WW2 - (1939-1945)
54:29
La ciencia de Star Trek con el Dr. Charles Liu
15:00