Now you Know
13167. Invention
Invention : mouse, computer
Year : 1963-64
Inventor : douglas engelbart
Country : us.
13168. Invention
Invention : muzak
Year : 1922
Inventor : george owen squier
Country : us.
13169. Invention
Invention : nail, construction
Year : c. 3300 bc
Inventor : sumerians
Country : mesopotamia.
13170. Invention
Invention : necktie
Year : 17th century
Inventor : -
Country : croatia.
13171. Invention
Invention : neon lighting
Year : 1910
Inventor : georges claude
Country : france.
13172. Invention
Invention : nuclear reactor
Year : 1942
Inventor : enrico fermi
Country : us.
13173. Invention
Invention : nylon
Year : 1937
Inventor : wallace h. carothers
Country : us.
13174. Invention
Invention : oil lamp
Year : 1784
Inventor : aime argand
Country : switzerland.
13175. Invention
Invention : oil well
Year : 1859
Inventor : edwin laurentine drake
Country : us.
13176. Invention
Invention : pacemaker, cardiac
Year : 1952
Inventor : paul m. zoll
Country : us.
13177. Invention
Invention : paper
Year : c. 105
Inventor : ts'ai lun
Country : china.
13178. Invention
Invention : paper clip
Year : 1899
Inventor : johan vaaler
Country : norway.
13179. Invention
Invention : paper towel
Year : 1931
Inventor : arthur scott
Country : us.
13180. Invention
Invention : parachute, modern
Year : 1797
Inventor : andre-jacques garnerin
Country : france.
13181. Invention
Invention : parking meter
Year : 1932
Inventor : carl c. magee
Country : us.
13182. Invention
Invention : particle accelerator
Year : 1929
Inventor : sir john douglas cockcroft, ernest thomas sinton walton
Country : ireland/uk.
13183. Invention
Invention : pasteurization
Year : 1864
Inventor : louis pasteur
Country : france.
13184. Invention
Invention : pen, ballpoint
Year : 1938
Inventor : lazlo biro
Country : hungary.
13185. Invention
Invention : pencil
Year : 1565
Inventor : conrad gesner
Country : switzerland.
13186. Invention
Invention : periodic table
Year : 1871
Inventor : dmitry ivanovich mendeleyev
Country : russia.
My Account / Test History
Invention
Invention : kevlar
Year : 1965
Inventor : stephanie kwolek
Country : us.
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