4 ms·
Oh, for a while Public Lab's Paper Spectrometer [0] was very popular in "citizen science" workshops or forums. It was made peeling the diffraction grating of a
by tecleandor 3y ago
Oh, for a while Public Lab's Paper Spectrometer [0] was very popular in "citizen science" workshops or forums. It was made peeling the diffraction grating of a DVD-R (not a +R) disc.
It's a fun thing to do in an afternoon.
0: https://publiclab.org/wiki/papercraft-spectrometer