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.

How to Make a DIY Eco Yard to Help Conserve Resources

A lush green lawn is one of the most common sights in any...
Wind Turbine

How to Build a DIY Savonius Wind Turbine

Here's a design of a Savonius vertical axis wind turbine developed by a group of people and posted on Instructables under the username lisa-torstenson. Their...

How to Build a Backyard Biogas Plant

Introduction The success or failure of any biogas plant mainly depends upon the quality of how it is constructed. To construct a good biogas plant,...

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...

How To Make Your Own Wind Generator

I recently found a PDF describing a step by step method, with pictures, of how to make your own wind-powered free energy to power...

DIY: How to Make a Wind-Powered Phone Charger

For those who have the skill and interest in homemade electronics, and those who know someone who do, read the rest of this post...

How to Convert Your Car to Solar in One Easy Step

Many of the leading car manufacturers are now looking towards solar and releasing models with solar cells on the roofs that allow charging on...

Hydrogen From Water – 3 Production Methods

Getting hydrogen from water is one of today's hottest and fastest-evolving areas in the renewable energy world. The basic methods for hydrogen production, though, have remained the same...