Cloth, textile or fabric are similar names for manufactured material. They are made by weaving or knitting fibres together. Cloth … More

Anatomy of a Firework – amazing interactive image with labels and descriptions Fireworks put on a dazzling, colorful chemical show. … More

Electricity is the flow of electrical power or charge. It is both a basic part of nature and one of … More

Electricity, late 19th century Electricity – a general term that covers a variety of phenomena resulting from the presence and … More

electromagnetic radiation – Energy travels throughout the universe at the speed of light. It does so in the form of … More

The heart is a muscular organ in all vertebrates responsible for pumping blood through the blood vessels by repeated, rhythmic … More

Electric vehicle – uses one or more electric motors or traction motors for propulsion. Three main types of electric vehicles … More

Electric motor – converts electrical energy into mechanical energy. In normal motoring mode, most electric motors operate through the interaction … More

Electric Current – the rate of charge flow past a given point in an electric circuit, measured in Coulombs/second which … More

Gossamer Condor – Paul MacCready conceived, designed, and built the Gossamer Condor, the first successful human- powered plane. MacCready went … More

catalyst – A substance that triggers or speeds up a chemical reaction without itself being affected. cracking octane World War … More

Engineers do calculations and keep track of data, project tasks, and other information that can be conveniently stored, manipulated and … More

Imaging is the representation or reproduction of an object’s outward form; especially a visual representation (i.e., the formation of an … More