Transição

Let's say it rained gold for one day. People would empty all their drawers, fill it with gold, the attic and everything but if it kept raining gold for months, they'd sweep it up,...

When we physicists look in outer space for alien life we don't look for little green men. We look for type 1, type 2 and type 3 civilizations. A type one civilization has harnessed planetary...