time travel, parallel universes, and other useful illusions
In Ends of the World: Gamma-Ray Bursts, I raised the possibility that millions of years ago, Earth may have experienced a catastrophic gamma-ray burst, an immense beam of energy that forms when high-mass stars collapse, or after a collision between binary neutron stars. Well, a new study claims that it actually may have happened, but …
Continue reading “Did A Gamma-Ray Burst Hit Earth During The Middle Ages?”
There’s something out there. Something that happens every day. If it were to happen at the right distance, and point in just the right direction, it would obliterate everything on Earth’s surface. We wouldn’t have much warning, and any preparation would be meaningless. There would be nothing we could do to stop our impending annihilation. …