How to Build a DIY Evaporative Air Cooler in a Bucket

Have you ever notice how it's often cooler near a lake on a hot summer day? Especially if there's a slight breeze? It's not...

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...

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...

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.

Building This DIY Solar Air Heater Can Save You $1000 per Winter

The solar air heating collector is a quick and simple way to get started on alternative energy. Although is a quite simple array, it...

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....

How to Make a Bubble Wrap Window Insulation

Here we would like to show you how to improve your window insulation by using bubble wrap. Over the last few days we published a...
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 Make a Battery From a Coke Can

Making your own coke can battery is often seen as extremely unnecessary and not at all cost effective, simply because of the availability of...

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...