## Gamma-Ray Bursts Explained

Don’t be frightened, but these cosmic snipers are real! But just what would happen if one of these bursts takes a shot at Earth?

Don’t be frightened, but these cosmic snipers are real! But just what would happen if one of these bursts takes a shot at Earth?

20,000 Watt Halogen lamp used for large scale films sets, we get a close up look and full power test.

Gravitational waves simply explained.

This theory is based on just one equation (E= ˠ M˳C² )∞ and just two simple postulates.

If you could travel back in time, and you killed your grandfather, would you be killing your future self? What do physics, complexity theory, and computer science have to say about this famous murderous time-travel paradox?

Destin from Smarter Every Day sets out to prove that Neil deGrasse Tyson is wrong when he says a helicopter whose engine fails will fall like a brick.