As evidence, nothing beats one’s own senses: I’ll have to see that for myself. But some experiments are too expensive, too time-consuming, or too dangerous for most folks to reproduce on their own, and for these, well, the next best thing is video. And the tubes are rich with great footage of phenomena that have to be seen to be believed. Here’s a sampling of some of the gems we’ve covered, over the years, to get you started.

#10

Mercury “beating heart” demo video

#9

Nitroglycerine detonation at 1/600 speed

#8

Nuclear reactor test footage

#7

2000V washer launcher

#6

Briggs-Rauscher oscillating chemical reaction

#5

RPG vs. bullet-proof glass

#4

Rocket fuel from aluminum and ice

#3

Dave’s AMAZING Under $300.00 Home Made Laminar Water Jet

#2

Jaw-dropping “unmixing” demo appears to reverse entropy

#1

Bullet impacts at 1,000,000 frames per second