Apparatus: smoked lenses, laser pointer Description: Send the laser beam through the lenses, choosing angles that will show the desired effect. Because the lenses are smoked, that path of the light inside the lens is visible.
Apparatus: smoked lenses, laser pointer Description: Send the laser beam through the lenses, choosing angles that will show the desired effect. Because the lenses are smoked, that path of the light inside the lens is visible.
