Floating cloud cities; giant solar mirrors and an asteroid barrage - just som...
Sci Fi Science: Physics of the Impossible
Season 2 Episode 2: Galactic Colonization
Tiny swarmbots search the galaxy for habitable planets, human DNA is broken down into ones and zeroes and beamed light years away to incubators- its all part of Dr. Michio Kaku's plan for galactic colonization.