| Author | Comment | Last activity | Moderation | ||
|---|---|---|---|---|---|
| mimiss | "The Public Lab store also offers diffraction grating as an option when purchasing lego spectrometers. The grating that we carry is also 1000 lines/..." | Read more » | over 3 years ago | |||
| mimiss | "@familysimon have you compared the DVDs vs diffraction gratings yet? Any results you can share? " | Read more » | almost 4 years ago | |||
| mimiss | "Thank you for this idea! I have laser pointers in a few colors in my house that I can try out. On May 5, 2020, at 11:19 AM, notifications@publicla..." | Read more » | almost 4 years ago |