The heart is a muscular organ in all vertebrates responsible for pumping blood through the blood vessels by repeated, rhythmic … More
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electronic music
Electronic music – Pure electronic instruments do not have vibrating strings, hammers, or other sound-producing mechanisms. Devices such as the … More
electric vehicle
Electric vehicle – uses one or more electric motors or traction motors for propulsion. Three main types of electric vehicles … More
electric motor
Electric motor – converts electrical energy into mechanical energy. In normal motoring mode, most electric motors operate through the interaction … More
electric current
Electric Current – the rate of charge flow past a given point in an electric circuit, measured in Coulombs/second which … More
STEM careers
interesting careers in STEM Physics, Biology The Physics of Glass Opens a Window Into Biology – physicist Lisa Manning studies … More
Gossamer Condor
Gossamer Condor – Paul MacCready conceived, designed, and built the Gossamer Condor, the first successful human- powered plane. MacCready went … More
oil refinery
catalyst – A substance that triggers or speeds up a chemical reaction without itself being affected. cracking octane World War … More
spreadsheet
Engineers do calculations and keep track of data, project tasks, and other information that can be conveniently stored, manipulated and … More
imaging
Imaging is the representation or reproduction of an object’s outward form; especially a visual representation (i.e., the formation of an … More
mobile phone
Mobile phone – Invented in 1973 by Martin Cooper of Motorola, the first mobile phone weighed two pounds and cost … More
e-waste
E-Waste – obsolete and unused electronics. WEEE – Electronic waste, e-waste, e-scrap, or waste electrical and electronic equipment describes discarded … More
early auto racing
Henry Ford raced to victory on a dirt track in Grosse Pointe on Oct. 10 1901, defeating Alexander Winton, the … More
earthquake
Earthquake – a trembling or a shaking movement of the Earth’s surface. Earthquakes occur where the stress exceeds the capacity … More
magnetism
Magnetism is a force that acts at a distance and is caused by a magnetic field. The magnetic force strongly … More