0:29
Mystery Marbles
Educational Innovations
0:55
The PhoTOP
0:52
Disappearing Beaker
4:32
Subtractive Color Theory Demonstration
0:16
Three Prisms with Green Laser
Diffraction Grating
Spy Pen
0:39
Persistence of Vision Double Fan
0:28
Mysterious Glowing Ball
0:21
Calcite Crystal Birefringence
0:33
Fluorescent Minerals
0:48
The Mirage 3-D Instant Hologram Maker
Ultraviolet Detecting Beads
3:19
Nature Print Paper
2:14
Polarizing Cellophane Tape
1:51
Liquid Light Demo
1:08
Write and See Squares
0:46
