Electrons emit photons when they drop energy levels; nuclear decay and E = mc² govern the nucleus.
28 videos · ranked by how well they teach
21:441.7M views on YouTube · 9 years ago
11:191.6M views on YouTube · 9 years ago
10:1080K views on YouTube · 9 years ago
3:296K views on YouTube · 6 years ago
10:271.9K views on YouTube · 10 years ago
6:47826 views on YouTube · 13 years ago
9:17597 views on YouTube · 13 years ago
2:47256 views on YouTube · 13 years ago
1:1283 views on YouTube · 13 years ago
45:2524 views on YouTube · 1 year ago
8:2918 views on YouTube · 6 years ago
7:3813K views on YouTube · 14 years ago
Also called: energy levels, radioactive decay, mass energy