response:15276
response:15276


Author Comment Last activity Moderation
UHF "DVDs work better with smaller track separation and therefore greater diffraction. " | Read more » almost 7 years ago
warren "Hi! There are a few posts exploring this question here: https://publiclab.org/questions/dsvilko/06-13-2017/any-way-to-improve-on-the-dvd-grating ..." | Read more » almost 7 years ago