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.

13042. Invention

Invention : celluloid
Year : 1869
Inventor : john wesley hyatt
Country : us.

13043. Invention

Invention : cement, portland
Year : 1824
Inventor : joseph aspdin
Country : england.

13044. Invention

Invention : cereal flakes, breakfast
Year : 1894
Inventor : john harvey kellogg
Country : us.

13045. Invention

Invention : chewing gum (modern)
Year : c. 1870
Inventor : thomas adams
Country : us.

13046. Invention

Invention : chocolate
Year : c. 3rd-10th century
Inventor : maya, aztecs
Country : central america, mexico.

Science Facts
Some animals respond to small amounts of poisonous gas and have been used as early warning systems. German soldiers kept cats in the trenches of the First World War to smell gas, and British miners kept budgies in cages because they died quickly if gas escaped into the mine.      .. More >>