Pedal power to light up Times Square New Year sign… The ritual dropping of the ball in New York’s Times Square on New Year’s eve, seen on television by millions around the world, is becoming a bit greener than in years past. The 2-0-0-9 sign that will light up when the New Year’s ball finishes […]
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 few other recessed drive screws […]
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
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]
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 heard and the damage to […]
Stefanie Japel from Glampyre Knits has a pretty interesting tutorial for how she redoes a neckline on a sweater to make it larger. It never occurred to me that you could do it without frogging.
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 can of course buy commercial […]
