Everyone knows that energy that goes in to a black hole is trapped forever. Slipping past the event horizon, falling infinitely into an infinitely empty, infinitely deep and yet still infinitely dense well, concentrated in an infinitely small pebble at the bottom. We all know this energy is trapped forever... or is it?

Colonizing the moon wouldn't just be humanity's next foray into space, it would start a new space race, unify nations, create new technologies, and be a great sandbox to learn how to colonize other planets.

Tethers could decrease the travel time between earth and mars from 9 months down to five or three. Tethers could be our planetary metro system.

A large asteroid known as 16 psyche is about 230,000 meters across and is 90% metal. According to Forbes Magazine, the value of the asteroid is 75,000 times that of our global economy.