Friday, October 9, 2009

Boomerang


Boomerang
Cy Tymony | Make Vol. 12- 2007 | Pdf | 1 pgs | 1 mb
Have you ever wondered how birds fly or how sailboats can sail into the wind? In the last issue, I showed how to make a flying disc using the Bernoulli principle to generate lift; now let's use the same principle to create a boomerang out of ordinary stuff like cardboard.

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