NASA plan aims to bring a 23-foot-wide (7 meters) space rock into lunar orbit using a robotic space lasso. Once the asteroid is in a stable orbit around the moon, astronauts can visit as soon as 2021 using NASA’s Orion space capsule and the giant Space Launch System mega-rocket.

Alfred Nobel, of the Nobel Prize, lost his brother to an accident at his lab. They were working with liquid nitrogen and attempting to create a more stable explosive. Nobel was able to complete his research after the accident and invented dynamite.