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Recommended Straight-line

DSLR Hack – How to Make a Pinhole Camera with your Digital SLR Camera!

Here’s a really cool DIY on how to make a pinhole camera with your digital SLR camera.

Do you have a digital SLR camera, some black construction paper, aluminum foil, a rubber band, and tape? Great, let’s make a digital pinhole camera!

The pinhole camera is the simplest type of camera. It has no lens, only a teeny-tiny hole of an iris. This pinhole ensures that the light which reaches any position on the exposure surface originated from a single direction; as the hole diameter approaches zero, the possible light source for a poin

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DIY – How to Hack an RC Hovercraft!

Here’s a really cool DIY on how to hack your own RC hovercraft.

It looks pretty simple enough other than the RC parts.

video://www.youtube.com/watch?v=FRZ–iMUNR0

“The workings of a hovercraft are fairly straightforward: one high-power motor with an airplane propeller forces air down through the hole in the center, which pushes the bottom of the hovercraft off the ground. This greatly reduces friction, allowing the hovercraft to scoot around without mu

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