TheNaib writes – This project will create a DIY solar hot water heater for less than five dollars (if you have access to a garbage dump). It will allow you to see the principles of solar water heating in action, and is highly customizable. Its a great way to learn about using the renewable energy […]
Biotele writes – This instructable introduces the venerable Spy Ear in details and my way to reverse engineer a circuit. Why does this device deserves its own instructable?: You can buy a Spy Ear for a dollar! It can amplify sounds up to 60 dB or a factor of a 100. It has a self […]
Fredan writes – I have found instructions on how to convert kegs, using reciprocating saws, grinder, and plasma cutters. But in my experience, kegs which are ground or sawed generally produce uneven or oval openings. Plasma cutters on the other hand produce outstanding openings; unfortunately I don’t have many friends who have them at their […]
Here’s a simple Instructable for creating an earbud cord manager out of a hunk of credit card plastic, killing two birds with one stone: unruly ‘phone cord *and* unruly spending. Earbud cord wrapper in 5 minutes or less! – [via] Link
Fun – Link and version 2.
Tim writes – Here’s a collection of projects that didn’t work, mistakes, and accidents. I’ll be adding to this collection as time goes on. That’s for sure. Unfortunately. For starters, here are the impossible rollerskates. Also known as caster skates. Ian Alex demonstrates how to use them. Stand up, Move legs, fall down. To make […]
This Instructable shows you how to create a device docking cradle using an old keyboard wrist-rest. Too bad there aren’t more photos of the build (the drawings were done in MS Paint!). Easy P.D.C. (Portable Device Cradle) – [via] Link
