Thingiverse
Laser Diffraction Grating by jsteuben
by Thingiverse
Last crawled date: 4 years, 10 months ago
This is an extremely cheap laser diffraction grating which can be used, along with an ordinary laser pointer, to conduct the double-slit experiment and demonstrate the wave/particle duality of light. See http://en.wikipedia.org/wiki/Double-slit_experiment for further details on this experiment.
