BrainRight - Aquaponics
Aquaponics is a combination of aquaculture (raising fish) and hydroponics (growing plants without soil). The wastes from the fish are broken down by bacteria living in the growing medium, and converted into a form that can be used by the plants...
Build a Crossbow using Leaf Spring
These Popular Mechanics plans are for either a wooden, or a leaf-spring crossbow.
Free Engineering Books
Free Engineering Books - list of freely available engineering textbooks, manuals, lecture notes, and other documents.
Physics - Free E-Books
Water Vortex Drives Power Plant - Sepp Hasslberger
Tesla's Death Ray machine
The Skin Gun on Devour.com
The Skin Gun - The skin gun is a huge advancement in the treatment of burn victims. Although it's still in the experimental stage,...
Science Is Fun Home Experiments
Most plastics are made in factories, but here's one you can make at home.
Tesla's Lost Inventions - FUEL EFFICIEINT VEHICLES Journal...
New source for biofuels discovered
Free Maths Video Lecture courses
Video Lectures, Video Courses, Science Animations, Lecture Notes, Online Test, Lecture Presentations. .
The microhydro plant
setting up a microhydro installation
Fuel cell - Wikipedia, the free encyclopedia
A is a device that converts the chemical energy from a fuel into electricity through a chemical reaction with oxygen or another oxidizing agent. is the most common fuel, but hydrocarbons such as natural gas and alcohols like are sometimes used. Fue...
The Energy Lie (Suppression of Technological Evolution)
The Energy Lie