How to power a starship with an artificial black hole

According to theory, it may be possible to create an advanced propulsion system that would harness the available energy from an evaporating black hole, a so-called Schwarzschild Kugelblitz drive. Here's how it would work. » 1/16/14 4:00pm 1/16/14 4:00pm

What if every electron in the universe was all the same exact particle?

There's an idea that suggests all the universe's electrons are actually one particle forever traveling backwards and forwards in time. It's a simple, elegant idea that solves some of physics's biggest mysteries. There's only one tiny problem. It's complete nonsense. » 1/17/12 2:20pm 1/17/12 2:20pm