Don't use a green laser in the cold!
11:56
Crazy difference between 5W LASER and 5W LED!
13:08
Laser Pointers on Amazon are Getting Out of Hand
19:06
Dangerous tattoo remover from eBay is a MILLION watt laser
12:31
TRUE YELLOW LASER or not? 25+ years wait over? // Valkyrie 573 donated by Tinker Lasers
29:37
Nature's Incredible ROTATING MOTOR (It’s Electric!) - Smarter Every Day 300
10:13
THE ISSUE WITH GREEN LASER POINTERS
11:44
Don't use strong lasers without this - easy to make!
30:00