Impossible lenses
9:57
This tests your understanding of light | Optics puzzles 1
11:59
Chaotic Balls (and other animations) - Numberphile
52:06
The Impossible Lens film / Dr Jim Frazier
9:23
Lecture -- Luneburg Lens
7:09
Christianity's most important algorithm
5:46
Testing a REAL Invisibility Shield!! (How Good is it?) - UNUSUAL
11:09
Why 10,000 tiny lenses are the key to our sci-fi future | Hard Reset
4:01