Resumen de The hole story
Black holes famously devour anything that comes too close: light, matter, information. In doing so, they cause some almighty headaches for humans' best theories of physical reality. Although they are pretty certain black holes exist, they've never observed one directly, let alone got up close and personal. That's where the bathtub analogy is now coming into serious play. Get fully to grips with it, and people could have a new way not just to fathom black holes, but also to crack some of cosmology's other toughest nuts--from why the expansion of the universe is accelerating to how it all began. Here, Ananthaswamy discusses unleashing the weirdest fluids ever created to examine what happens to the stuff a black hole sucks in.
