The term black hole is of very recent origin. It was coined in 1969 by the American scientist John Wheeler as a graphic description of an idea that goes back at least two hundred years, to a time when there were two theories about light: one, which Newton favoured, was that it was composed of particles; the other was that it was made of waves. We now know that really both theories are correct.
Game | Time | WPM | Accuracy |
---|---|---|---|
6195 | 2024-09-22 19:02:21 | 98.68 | 96.7% |
3602 | 2024-06-19 08:55:53 | 100.95 | 97.3% |
2934 | 2023-10-18 13:56:58 | 113.44 | 99% |
63 | 2023-05-12 01:01:30 | 56.25 | 94% |