“Eole” redirects here. For the racehorse, see Eole (horse)
.The Ader Éole, also called Avion (French for aeroplane), was an early steam-powered aircraft developed by Clément Ader in the 1890s and named after the Greco-Roman wind god Aeolus.
invented by John Walker
A match is a tool for starting a fire. Typically, matches are made of small…
invented by Charles Persons
A steam turbine is a machine that extracts thermal energy from pressurized…
invented by Isaac Charles Johnson
Portland cement is the most common type of cement in general use around the…
invented by Edmond Becquerel
The photovoltaic effect is the generation of voltage and electric current in a…
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