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We can thank instructables user arcticpenguin for this excellent explanation of cross-head, cross-point, cruciform, and square drive screws and drivers! These screw types have a “+” shaped recess on the head and are driven by a cross-head screwdriver, designed originally for use with mass-production mechanical screwing machines. There are a... Read more »

This isn’t the first time we’ve seen a plunger lamp, but this one from instructables user cityup comes with instructions! More: Plunger lamp in the Core77 gift guide Read more »

Inside the pocket DLP Pico Projectors via Giz… [Ultra-small Projectors Teardown] DLP Projector Opened [Part 1] [Ultra-small Projectors Teardown] Fly-eye Lens Commands Attention [Part 2] Read more »

The “Webcam” vs. the “Particle Beam” A web camera is placed into a particle beam to show visually the affects of space radiation on electronics. This video shows the particles striking the camera along with streaks due to high angle impacts. In addition particles striking the audio circuit can be... Read more »

My pick for best gift of ’08, Boris writes - My sister suffers from seasonal affective disorder, also known as winter depression. A commonly prescribed therapy is light therapy – about thirty minutes of bright light in the morning. Bright in this context means more than 10 000 Lumens. You... Read more »

Game programmer Jack Kern took time out from coding pixels and turned his house into a holiday color organ using Processing - This is my first attempt at a computer controlled light show for our Christmas lights. Everything was DIY including the software which I wrote in Processing (processing.org). Simple... Read more »

If you have the Google Phone and prefer hacking Python over Java, this is just what you’ve been waiting for: Here’s an early Christmas present for all those Python fanatics (self included) out there! With a lot of help from my friends (thanks Manuel and Thomas!) I managed to install... Read more »

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