A tour guide demonstrates a giant concave mirror that creates a perfect image. Exploratorium San Francisco 2014.

Posted 9 years ago by Hannab in category: crazy   Comments (2)

How to return trash in an unpleasant way for its owner.

Posted 9 years ago by gabbel in category: crazy   Comments (8)

Posted 13 years ago by suta in category: crazy   Comments (1)

Oracle Team USA - Sometimes up to speeds of 40 knots

Posted 11 years ago by boyt in category: crazy   Comments (2)

Posted 14 years ago by loco in category: crazy   Comments (0)