Mechanical calculator

Published 12 years ago in Documentary. Submitted by Jos

A binary calculator using only marbles and wood. More information here.

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Speed climbing

Published 13 years ago in Awesome

Dan Osman climbing a steep rock without safety gear. Unfortunately this guy died in 1998 during a free-fall rope jump Read more…

• 20942 views
• 22 comments
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3 condoms, please ...

Published 9 years ago in Other. Submitted by pignmar41

• 20271 views
• 14 comments
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Telling the time

Published 13 years ago in Weird

The Italian way...

• 17673 views
• 14 comments
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The Trolley Problem

Published 9 years ago in Documentary. Submitted by cored

• 17231 views
• 22 comments
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