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Steve Hoefer at Grathio labs shows off his Arduino based door opener, which responds to knocks on the door bye timing the gaps between the sounds. If the gap matches the programmed knock, it unlocks. Let's never use keys again!

Know a little bit about Arduino and care to make your own? Check out his Instructables post!

christmas,christmas tree,DIY,g rated,LED,lights,there I fixed it
By Unknown
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Well, it's mostly a pile of sticks. But still, good to see Charlie Brown is updating his jokes.

~NSHA

astronaut,history,nasa,space
By Unknown
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This is the airbox that was kluged by nasa to save the life of three astronauts

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