Now you Know
13108. Invention
Invention : foods, frozen
Year : c. 1924
Inventor : clarence birdseye
Country : us.
13109. Invention
Invention : fresnel lens
Year : 1820
Inventor : augustin-jean fresnel
Country : france.
13110. Invention
Invention : fuel cell
Year : 1839
Inventor : william r. grove
Country : uk.
13111. Invention
Invention : genetic engineering
Year : 1973
Inventor : stanley n. cohen, herbert w. boyer
Country : us.
13112. Invention
Invention : geiger counter
Year : 1908
Inventor : hans geiger
Country : germany.
13113. Invention
Invention : glass
Year : c. 2500 bc
Inventor : egyptians or phoenicians
Country : egypt or lebanon.
13114. Invention
Invention : glass, safety
Year : 1909
Inventor : edouard benedictus
Country : france.
13115. Invention
Invention : greeting card, christmas
Year : 1843
Inventor : john callcott horsley
Country : england.
13116. Invention
Invention : guillotine
Year : 1792
Inventor : joseph-ignace guillotin
Country : france.
13117. Invention
Invention : guitar, electric
Year : 1941
Inventor : les paul
Country : us.
13118. Invention
Invention : gunpowder
Year : c. 10th century
Inventor : -
Country : china or arabia.
13119. Invention
Invention : hanger, wire coat
Year : 1903
Inventor : albert j. parkhouse
Country : us.
13120. Invention
Invention : helicopter
Year : 1939
Inventor : igor sikorsky
Country : russia/us.
13121. Invention
Invention : holography
Year : 1948
Inventor : dennis gabor
Country : hungary.
13122. Invention
Invention : hypodermic syringe
Year : 1853
Inventor : charles gabriel pravaz
Country : france.
13123. Invention
Invention : in vitro fertilization (ivf), human
Year : 1978
Inventor : patrick steptoe, robert edwards
Country : uk.
13124. Invention
Invention : ink
Year : c. 2500 bc
Inventor : -
Country : egypt, china.
13125. Invention
Invention : insulin, extraction and preparation of
Year : 1921
Inventor : sir frederick grant banting, charles h. best
Country : canada.
13126. Invention
Invention : integrated circuit
Year : 1958
Inventor : jack s. kilby
Country : us.
13127. Invention
Invention : internet
Year : 1969
Inventor : advanced research projects agency (arpa) at the dept. of defense
Country : us.
My Account / Test History
Medical Invention
Medical Invention : insulin ( as a palliative for diabetes)
Inventor : banting
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