Where did Einstein propose interpreting the square of amplitude as probability density (Born's rule)?
What laser technology/ies were first used to bounce off of the Apollo 11 retroreflectors to accurately measure distance to the Moon?
How did the earliest measurements of lasers bounced off of Apollo 11 retroreflectors deal with the light from the Moon and pick out single photons?
How much mathematics did Van Leeuwenhoek know, and did he use mathematics in this fabrication of lenses?
Only top scored, non community-wiki answers of a minimum length are eligible