LMR-063 · Black Holes
Hawking Radiation
Black holes leak. Slowly. Eventually, even they disappear.
§ A first look
§ Depths
Six ways into the same idea — from bedtime story to chalkboard. No order required.
L1 · Crayon
Told like a bedtime story.
For a curious 10-year-old. No jargon. Just a picture in your head.
Black holes are supposed to be one-way doors — nothing gets out, ever. Stephen Hawking sat down with the math one day in the 1970s, mixed gravity with quantum mechanics, and discovered something extremely awkward: black holes do leak. Just very, very slowly, in a soft trickle of particles. The leaking carries away tiny bits of the black hole's mass, so over absurdly long stretches of time, even black holes shrink and eventually disappear. They are mortal. Stephen Hawking ruined their day from a wheelchair, using a pen.
§ Strange but true
- 01Black holes leak. Slowly. Eventually a small one evaporates entirely in a final flash.
- 02A solar-mass black hole takes 10^67 years to vanish. The universe is 10^10 years old. There's time.
- 03Hawking derived it on a napkin in 1974 by mixing relativity and quantum mechanics — and revealed a paradox we still can't solve.
§ From the field journal
Hawking Radiation
"Black holes leak. Slowly. Eventually, even they disappear."
— observed, sketched, not yet fully understood.
§ Nearby