The Grey Labyrinth is a collection of puzzles, riddles, mind games, paradoxes and other intellectually challenging diversions. Related topics: puzzle games, logic puzzles, lateral thinking puzzles, philosophy, mind benders, brain teasers, word problems, conundrums, 3d puzzles, spatial reasoning, intelligence tests, mathematical diversions, paradoxes, physics problems, reasoning, math, science.

Courk · Daedalian Member

Behold, magic:

http://www.youtube.com/watch?feature=player_embedded&v=Ws6AAhTw7RA

Zag · Unintentionally offensive old coot

If you connect to the online Mormon chat line, they can tell you how it works. Enthusiastic Grin

MatthewV · Daedalian Member :_

There is also a practical use :-)

http://www.youtube.com/watch?feature=player_embedded&v=Zqmdv5iyIOY

I just wish they had shown more of the race.

BraveHat · Last of the Daedalians

They have to get to work on the hoverboards. Only three more years before something's gotta be done about Marty's kids!

extropalopakettle · No offense, but....

Is there an instructable on this? Some DIY at home how-to thingy? I've got some of those heavy duty magnets ... what to I need to dip in the liquid nitrogen?

extropalopakettle · No offense, but....

extropalopakettle · No offense, but....

A kit : http://www.imagesco.com/catalog/SuperConductor/SuperConductor.html

(minus the liquid nitrogen)