Now you Know

13022. Invention
Invention : bread, sliced (bread-slicing machine)
Year : 1928
Inventor : otto frederick rohwedder
Country : us.

13023. Invention
Invention : button
Year : c. 700 bc
Inventor : greeks, etruscans
Country : greece, italy.

13024. Invention
Invention : buttonhole
Year : 13th century
Inventor : -
Country : europe.

13025. Invention
Invention : calculator, electronic hand-held
Year : 1967
Inventor : jack s. kilby
Country : us.

13026. Invention
Invention : calculus
Year : 1680s
Inventor : sir isaac newton and gottfried wilhelm leibniz (invented separately)
Country : england and germany (respectively).

13027. Invention
Invention : calendar, modern (gregorian)
Year : 1582
Inventor : pope gregory xiii
Country : italy.

13028. Invention
Invention : camcorder
Year : 1982
Inventor : sony corp.
Country : japan.

13029. Invention
Invention : camera, motion picture
Year : 1891
Inventor : thomas alva edison, william k.l. dickson
Country : us.

13030. Invention
Invention : camera, portable photographic
Year : 1888
Inventor : george eastman
Country : us.

13031. Invention
Invention : can, metal beverage
Year : 1933
Inventor : american can co.
Country : us.

13032. Invention
Invention : can opener
Year : 1858
Inventor : ezra j. warner
Country : us.

13033. Invention
Invention : candle
Year : c. 3000 bc
Inventor : -
Country : egypt, crete.

13034. Invention
Invention : canning, food
Year : 1809
Inventor : nicolas appert
Country : france.

13035. Invention
Invention : carbon-14 dating
Year : 1946
Inventor : willard f. libby
Country : us.

13036. Invention
Invention : cardboard, corrugated
Year : 1871
Inventor : albert jones
Country : us.

13037. Invention
Invention : cards, playing
Year : c. 10th century
Inventor : -
Country : china.

13038. Invention
Invention : cash register
Year : 1879
Inventor : james ritty
Country : us.

13039. Invention
Invention : cat litter
Year : 1947
Inventor : edward lowe
Country : us.

13040. Invention
Invention : catalog, mail-order
Year : 1872
Inventor : aaron montgomery ward
Country : us.

13041. Invention
Invention : cellophane
Year : 1911
Inventor : jacques e. brandenberger
Country : switzerland.

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My Account / Test History

Fact
Before Columbus, Europe had never tasted corn, potatoes, tomatoes, red peppers, sweet potatoes, tapioca, chocolate, pumpkins, squash, coconuts, pineapples, strawberries, and much more. Why? All these food items are native to America.      .. More >>
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