9:03

Handheld DNA eraser?!?

11:40

Balafire: when a light bulb goes wild

9:30

Desert Sun Lamps! | My least healthy lights yet?

9:49

Caustic lenses are really weird

17:04

TOO BRIGHT Car Headlamps!?! | Laser LEP vs. LED vs. Halogen | Stronger than Sunlight

9:22

Weird battery change in Geiger counter

14:25

What element is attracted the most to a magnet?

21:29

What if you just keep zooming in?