Augustin Fresnel

The ideas here are retold from the historical record, drawn from the sources each event cites. Augustin Fresnel never posted on Veritula. To report a mistake, email veritula@dennishackethal.com.

Chronicled events

1. March 15, 1819·​A Bright Spot Where There Should Be Shadow
   #5822

   Light does bend into shadows, only very slightly, because its waves are so short. That makes the fine fringes along the edge of a shadow, and my calculation of the waves predicts exactly where they fall.