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 |
---|---|---|---|
3323 | 2023-11-04 05:44:57 | 81.85 | 96.9% |
2501 | 2023-10-14 16:14:15 | 93.55 | 98.2% |
2128 | 2023-09-27 15:39:38 | 65.10 | 97.9% |