How To Make A Black Hole In A Science Lab
Gizmodo -

Nearly 50 years ago—before Interstellar, A Brief History of Time, and certainly the Event Horizon Telescope—postdoctoral researcher William Unruh was attempting to explain black holes to a crowd at an Oxford University colloquium. There were no reference points with which to compare an object so dense that light cannot escape its warped gravity. So he devised his own little analogy: Imagine a waterfall, and a little fish accidentally swimming over its edge, too slow to swim against the water’s...

Read this story at

Loading...

Related Articles