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Period: Sep 20, 700 to
Inventions
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Sep 23, 725
Mechanical clocks
Yi Xing was a buddhist monk who made the first model of a mechanical clock. -
Sep 23, 1286
Eyeglasses
The first eyeglassees were made in Italy ca. 1286 -
Sep 21, 1440
Printing press
Johannes Gutenberg invented the printing press ca. 1440 in the Holy Roman Empire. This invention made possible the precise and rapid creation of metal movable type in large quantities. -
Telescope
The first known telescope came to public attention in the Netherlands. The credit of the original invention has been clainmed by three individuals: Hans Lippershey and Sacharias Jansen and Jacob Metius. -
Steam-Powered Engine
Thomas Savery invented the first practical steam-powered engine that was a water pump. This invention solved the problem of pumping water out of coal mines. -
Arc lamp
Humphry Davy, an English chemist, used charcoal sticks and a 2000-cell battery to create carbon-arc lighting. -
The relation of electricity and magnetism
Hans Christian Oersted discovers the relation of electricity and magnetism in 1815. -
Phonograph
Invented by Thomas Edison. When first developed, it was used to record and reproduce sounds. As the cylinder or disc rotates a needle traces the wavy lines and vibrates to make the recoreded sound waves. -
Wind power
Charles F. Brush invented wind power, which is the conversion of wind energy into a useful form of energy. -
Walkie-talkie
portable two-way radio communication system made for the military -
Nuclear technology
invented in the United Sates for the purpose of weapons and large scale destruction. -
Navigational compass
This invention is credited by scholars to the Chinese, who had been using it for navigation between the 9th and 11th century
