By Date
hot plate
Patrick-Brown 0 comments
How a mirage works
Patrick-Brown 0 comments
3-wide laser spread
Patrick-Brown 0 comments
3-wide laser (no heating)
Patrick-Brown 0 comments
Convex and Concave Lenses
Patrick-Brown 0 comments
rainbow laser
Patrick-Brown 0 comments
npn transistor
Patrick-Brown 1 comments
Gravity Switch
Patrick-Brown 0 comments
plasma gun
Patrick-Brown 0 comments
randomly pulsed light beam
Patrick-Brown 0 comments