| Author | Comment | Last activity | Moderation | ||
|---|---|---|---|---|---|
| UHF | "DVDs work better with smaller track separation and therefore greater diffraction. " | Read more » | over 6 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 » | over 6 years ago |