3 pts ยท December 20, 2016
source: wikipedia - because holy shit this is cool. German guy invented in the 1800's or something.. bloody Germans hahaha
Parallel light waves are emitted through the air onto a plane that shows the shadows being distorted by density variations (light refracts)
source: wikipedia - because holy shit this is cool. German guy invented in the 1800's or something.. bloody Germans hahaha
Parallel light waves are emitted through the air onto a plane that shows the shadows being distorted by density variations (light refracts)