textile

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

fireworks

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

electrical circuit

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

electricity

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

electromagnetic radiation

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

electrocardiogram

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

electronic music

Electronic music – Pure electronic instruments do not have vibrating strings, hammers, or other sound-producing mechanisms. Devices such as the…

electric vehicle

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

electric motor

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

electric current

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

STEM careers

interesting careers in STEM Physics, Biology The Physics of Glass Opens a Window Into Biology – physicist Lisa Manning studies…

Gossamer Condor

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

oil refinery

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

spreadsheet

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

imaging

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