19:41

I converted my microwave into a LASER oven!

31:30

I built a long-range LASER turret in my yard!

19:06

Dangerous tattoo remover from eBay is a MILLION watt laser

24:29

Testing CRAZY chemistry recipes from a 1933 formulary book (part 4)

12:25

Ebay Laser Pointers: How Sketchy are They?

12:15

5 Easy At Home Science Experiments w/ Mark Rober

23:42

Crazy Keychain Laser Pointer Upgrades. 5mW to 3000mW+

16:31

I 3D Printed a $1,175 Chair