The $5 Cracker Box Amp
Build this workable little practice amp in about an hour.
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10-Rail Model Rocket Mega-Launcher
Make the cub scout rocket derby a blast.
Lensless Microscope
Inside your webcam is an imager chip with thousands of sensors, each much smaller than a hair. Replace the lens with an LED, place a sample directly on the the chip, and you have a lensless microscope capable of streaming live video of plankton or other microorganisms to any display.
The Most Useless Machine
Through its one meaningless act of defiance, it speaks volumes.
Plush Irradiated Sirloin
Microcontroller night light illuminates meaty issues.
2-Mile Camera Remote
Walkie-talkie actuator lets everyone pose without rushing.
Mousey the Junkbot
Explore the fine art of making Frankenmice.
