I use diffraction to create an image with a lens made of a circular metal disk.
Using lasers at the end: https://www.youtube.com/watch?v=tF4iCgxsZX4
Brightest part of a shadow: https://www.youtube.com/watch?v=y9c8oZ49pFc
How far can Legolas see: https://www.youtube.com/watch?v=Rk2izv-c_ts
Help me make videos by donating here: https://www.patreon.com/CodysLab
