Homebrew Stir Plate
Magnetic stirring on the cheap!
Hobby knife
Home Mycology Lab
Use an off-the-shelf home air purifier to
culture and grow mushrooms.
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.
Custom Fit Earbuds
Combine custom molded earplugs with in-ear headphones for isolated hi-fi.
Label-Etch a Glass Bottle
Use the label as a built-in resist!
Medicine Man Glider
Build a 5-foot-wide airplane inspired by 1930s designs.
Build a POSC Synthesizer
How to assemble the classic 555-based oscillator kit.
