How to Build a Water-Powered Battery for Your Calculator
14-year-old Instructables user Angelo S. Casimiro put up a step-by-step fabrication process that can be completed in as little as 10 minutes and can...
How to Prolong the Life of Your E-bike Batteries
Wouldn't it be great if you could free yourself from the high costs of gas and oil by turning to an electric bike or...
Pedal Powered Bike Generator Building Guide
You can build a pedal powered generator if you were a puzzle fan in your childhood or if you simply love building things. So...
Homemade Water Distiller Built in Less Than an Hour
Here is a simple but efficient homemade water distiller that should be able to help us meet our daily water needs.
As one of the...
How to Build a Home-Made Fusion Reactor (No Kidding!)
Get your white coat, your plastic gloves, glasses and turn off the lights... you have just made your first nuclear fusion reactor and you want it to work. At least that's what instructables.com user Christensent suggests through a DIY posted on the site, aimed at those who want to do some exotic research.
DIY Girl From Ohio Builds Her Own Electric Bike From Scratch – See How
It looks like men are not the only ones who love technology, welding, batteries and electric motors. After presenting the example of Eva HÀkansson, who plans on building an electric motorcycle, I stumbled upon the story of another girl, Jennifer Holt, from Columbus, Ohio, who built her own electric bike.
Jake Explains How to Build a Super-Cheap Solar Water Heater
Solar water heaters are not a new idea, but people who often complain about rising energy prices should be reminded to use such devices to help heat their homes and take a shower, too.
How to Measure a Stirling Engine's Efficiency (video)
The next video shows a Stirling engine while working to achieve its best, powered by a 70W light bulb. The poster also shows how he measured various parameters of the engine, like speed, torque, input/output power.
DIY: How to Make a Solar Cell at Home From Readily Available Stuff and…...
A very neat experiment that anyone with some skills can do in the garage or kitchen is creating a solar cell out of blackberry juice and titanium dioxide (and several other components).
Hydroelectric Generator: How to Build a Small One
If you want to produce electricity using a river near your home, the best way you can do it is to build a small-scale hydroelectric generator. Often called as a low-impact hydro, micro-hydro or run-of-stream hydro generator, this system is not very hard to build.


































