Reuse a crashed hard drive or two for a set of wind chimes. Easy to make and sound great.
Practical Recycling: Turning a couple dead hard disks into a beautiful, shiny wind chime. Save the environment, spare the landfills and find your Zen.
SteadyCams, contrary to popular belief, use counter-weights instead of gyroscopes. They're also horribly expensive. In this video, I show you how to make one for about 5 dollars that will do the same job as those that cost hundreds more.
When power outages happen, be prepared with this simple and cheap solar transistor radio mod. **Edit** (Forgot to add in the video) When attaching the resistor, make sure the cathode end (the one with the stripe) is soldered to the positive battery circuit.
A delicious and healthy treat for about $0.10 that just about anyone can make. Great for students!