DIY 3D Solar Panel Powers Electric Motor From 2 LED Flashlights

Ryszard says it's much more efficient to assemble solar cell this way than put them directly into light, where you'll lose a lot through reflection back into the environment. Some recently invented anti-reflective coatings may even accelerate the light's absorption into the solar cells. This is one of the advantages.

Free Energy Generator – The Pinwheel Gravity Engine

Pinwheels have been used for many things along history. One of the most interesting uses I've ever seen is making a pinwheel act as a free energy generator, powered by gravity.

Solar iPhone Charger DIY Tutorial

The construction of this universal solar charger is very simple and cheap(only $50) . You don't need to have any familiarity with electronics or prior circuit knowledge. It can be used to charge any device via USB.

DIY: Rick's Cheap Solar Panel Installation Powers His Home

A lot of people want to be green in using energy but they don't know where to start, or they don't have enough money/time at their disposal to actually start making something useful.

Sahimo: Hydrogen Powered Car Consuming 1L/568 km!

Something truly amazing comes from Turkey: some students from Sakarya University just released a prototype of what seems to be a car - but...

DIY Solar Cell from Tea and Donuts

The Holy Grail of energy has been, is, and will be the solar power. Numerous solutions of converting solar power have existed along the centuries, and people have always used the Sun to power things up, except for the last hundred years or so - that's the main reason we all got into troubles with mother nature.

DIY: Home Built Steam Powered iPod Charger

What can you do with a steam powered engine, a LEGO toy kit, some wood sticks and a USB cable?

How to Make a $5 Solar Water Heater From Junk Fridge

One simple way of making hot water has been perfected by a blogger on thesietch.org, and it relies on a simple and easy to find piece of junk: an old refrigerator!

DIY: How to Build the Simplest Electric Motor in Your Kitchen (video)

Electric motors have simple designs, are easy to operate and have a great resistance to various environments. That's why they are to be chosen as alternative to internal combustion engines. This is a trivial experiment showing how you can feel you made a real electric motor yourself. Just for fun.

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.