- Joined
- Dec 29, 2009
- Messages
- 3,136
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- 63
Yes, 405nm is a very interesting wavelength. If you have goggles, or at least some UV-protective sunglasses, unfocus your 405nm and you can use it to find things that are fluorescent or phosphorescent. Some examples of fluorescence are red postage ink and bright hi-liters. Some examples of phosphorescence are the phosphors in fluorescent tube lights, peanut butter, some plastics, and glow-in-the-dark stuff.
