Ocean Thermal Energy Conversion

Ocean Thermal Energy Conversion (OTEC) is a process that can produce electricity by using the temperature difference between deep cold ocean water and warm tropical surface wat…

Stirling Engines for Power Generation

The Stirling engine is a heat engine that is vastly different from the internal-combustion engine in your car. Invented by Robert Stirling in 1816, the Stirling eng…

High Altitude Wind Turbines

The wind turbines that increasingly dot the landscape peak at around 300 feet above ground, with the massive blades spinning a bit higher. The wind, however, does not peak at 300 fe…

Solar Vacuum Tube Heat Collector

The solar collector is the engine of any solar water heater. solar vacuum tube heat collector have always been the most efficient solar power production systems but were mo…

Make Small Wind turbine

My First Make Small Wind Turbine Video!

You can see hundreds of make small wind turbine videos describing how to make one at home easily. But many of them are not very helpful. Many of them do not offer a complete guide to mak…

two stoke petrol engine model

How Created a Two Stroke Petrol Engine Model

How does a two stroke petrol engine work? Now on-wards learning the physics behind the two stroke petrol engine is very simple and easy. I have created a  model to explain the p…

diy solar cell

Video: DIY Solar Cell from Cuprous Oxide

You need to have two pieces of copper sheets. Similar in size. 4-6 inch in width. Then clean both surfaces of both copper plates thoroughly. Use a degreaser to remove any oils or grea…