Upgrading a Dirt- Cheap Spectrometer
34:58
A Tiny Micro-Spectrometer - Reviewed [Pt2]
15:14
Making another pickproof lock (but better)
21:23
Custom Transformer Shatters All Voltage Records (ft. 3D Printing Nerd)
29:34
Let's do the science and find out...
7:49
Radiacode 102 vs. GQ GMC-500+ Against Uranium Ore!
23:21
The Numitron: An obvious idea that wasn't very bright
28:32
Six questionably legal pencil sharpeners
47:19