Physics Lore

The stories behind the videos

The written story behind every Physics Lore video. The story behind every law of nature. The people, the dates, the sources.

2 min readWhy Feynman Told Physicists to Hang 137 on the WallIn 1985 Richard Feynman picked out one number for physicists to worry about. More than forty years on, it is measured to twelve digits and still unexplained.6 min readWhy Does 137 Haunt Physics? The Strange Story of the Fine-Structure ConstantA pure number with no units sets how strongly light grips matter. We have measured it to twelve digits, and nobody can say why it is 1/137.