Can crusher crushes cans with electricity 10/20/2009 Have some extra soda cans laying around the lab, that are taking up too much space? Instead of just smashing...
Skiing robot caught in steady decline 10/20/2009 Researchers at the Jozef Stefan Institute built this fun skiing robot. It consists of two computing systems, one that acts...
DIY stereo tube amp 10/20/2009 Gio writes in to tell us about his latest vacuum tube-based audio amplifier design, the 5751 SRPP / EL84 (6BQ5)...
Light-up bike pedals add bling to your ride 10/19/2009 Need extra bling on your bike? How about some human powered, light-up pedals?
Pocket-sized oscilloscope gets reviewed 10/19/2009 The last time we covered the Seeed DSO Nano oscilloscope, they hadn't produced any specification or hardware yet. Now, one...
$10 Arduino beatbox uses capacitive sensors for buttons 10/19/2009 Alan Stein built this $10 Arduino beatbox for his first Arduino project.
Touch-sensitive faucet 10/17/2009 Does grabbing onto a grimy faucet to turn on the water to rinse your hands strike you as an odd...
MIT helicopter uses lasers to navigate indoors 10/16/2009 Here's a video of the impressive micro aerial vehicle (like a UAV, but smaller) by the MIT Micro Aerial Vehicle...
Energy-harvesting rocking chair 10/16/2009 Rochus Jacob designed this energy-harvesting rocking chair. It works by storing energy while you rock during the day, then lights...
Using sonar to save power 10/15/2009 Here's a neat idea: using the standard microphone and speakers that are built into most recent laptops, researchers from Northwestern...