Physics
Learn about the laws of physics that describe our world!
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A sampling of inventors and their inventions from Greece
Early Inventors and Inventions: the 1300s and earlier.
Glossary of Inventors and Inventions starting with the letter I.
Mars, the red planet, is the fourth planet from the sun in our solar system. Mars has two small moons, Phobos and Deimos.
'The Invention of the Light Bulb: Davy, Swan, and Edison'. The first electric light was made in 1800 by Humphry Davy.
Astronomy glossary explains basic astronomical terms, E.
The first incandescent electric light was made in 1800 by Humphry Davy, an English scientist.
ENIAC (Electronic Numerical Integrator and Computer) in 1945 was an early all-purpose, all-electronic digital computer.
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