:24
What is the alien "Zoo Hypothesis"?
:55
Terraforming Venus with Ice Asteroids, Solar shades, and Bacteria
:23
Why CO2 is good for Cloud Cities on Venus
:43
How to go to space without rockets (The "SLINGATRON")
:30
Should we impregnate other solar systems with our microbes? ("DI…
:22
Are humans descended from Martians?
:26
What is the "Prime Directive"?
:20
The WORST THING aliens could do to us
:29
Life on Jupiters moons?! EUROPA & GANYMEDE
:41
Why we should turn the asteroid Ceres into a giant starship
:33
Why Titan is the best planet for Computers Singularity & Transhumanism
Building "HALO" rings around planets and stars
:32
Can we build a shell around the sun?
How to give Mars its atmosphere back (AND KEEP IT!)
:27
The EXTREME weather conditions of living on the MOON
:31
The Russian scientist who wanted to build a sphere around the sun
NASA wanted a SPACESHIP powered by NUKES?! (Orion Engine)
:19
How livable is planet Proxima B? (neighboring Alpha Centauri system)
:46
Using ANTIMATTER and TINY BLACK HOLES to power starships
:35
3 Types of Futuristic Space Stations
1:00
Strategies to reverse Climate-Change
:58
How hard is it to get to Alpha Centauri?
:44
Strapping rockets to Phobos to Terraform Mars
:25
What if the Yellowstone Supervolcano Erupted?
