HackerTube / Video
The Unreasonable Efficiency of Black Holes
minutephysics
Minutephysics compares how efficiently different processes convert mass to energy per E=mc^2, from fire and fission to fusion, antimatter and black holes, which can convert a large fraction of mass to energy.
Linked as a quick, clear primer when black hole energy and efficiency come up.
3 Hacker News mentions · 2020–2025