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…