World's first perpetual motion machine created

[andrewducker]

via eatsoylentgreen

Comments

[birguslatro]

Excellent!

His shadow is obvious on the uprights, but hard to tell if it's falling on the race at all. Still, not even sure if that's a giveaway.

[holyoutlaw.livejournal.com]

I like that quite a bit!

"Forced perspective" is my theory.

[strawberryfrog.livejournal.com]

the clue is at about 0:33 - watch his shadow as he walks in front of it.

[bohemiancoast.livejournal.com]

OK, this is definitely going to be Jonathan's Exciting Science Video of the Day -- he used Escher's Waterfall when his class discussed artists who drew water this term.

[call-waiting.livejournal.com]

Nicely done