How to Build a Mini Hydroelectric Generator from Washing Machine Parts

In this video we will see how an old washing machine is converted into a little hydroelectric generator for powering an off the grid...

Vertical Axis Wind Turbine DIY Guide

Today I found another DIY project for generating alternative energy, by using the wind. It is a Vertical Axis Wind Turbine (VAWT), and it works by the same principle those huge wind turbines do, but they are much more easy and less expensive to build.

An Algae Bioreactor DIY Tutorial

The production of biofuels from an algae bioreactor is a hot topic, if you're interested in biofuels, alternative energy and you're a green DIYer. As we...

Make Free Electricity by Pouring Water from a Can

Of all the science stuff I've ever seen, this free electricity experiment has caught my eyes and is by far the most simple and interesting....

DIY: How to Build a Greywater Recycling System in 3 Steps

Water shortages already cause problems for millions of people around the world, and the problem will likely only be exacerbated in the future. Get ahead...

How to Build Your Own Water Car at Home

In July 2005, an American mechanic released most of the details of his simple conversion system which allows an ordinary car to use water...
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...

DIY: How to Build a $1 Magnetic Motor With Some Screws

What you are going to see in this video is nothing you don't know. In fact, I urge any weird-science reader to try and make the device from the video below, respecting the pictured details. I'll make it myself from a hard drive plate and a used scotch tape support. Let's see how much time it works, and if it can be improved.

20 free and cheap ways to improve energy efficiency at home

A simple attitude towards improving your home energy efficiency is to start with simple and cheap actions....

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...