Now you Know

Invention : compact disc (cd)
Year : 1980
Inventor : philips electronics, sony corp.
Country : the netherlands, japan.

Invention : compass, magnetic
Year : c. 12th century
Inventor : -
Country : china, europe.

Invention : computed tomography (ct scan, cat scan)
Year : 1972
Inventor : godfrey hounsfield, allan cormack
Country : uk, us.

Invention : computer, electronic digital
Year : 1939
Inventor : john v. atanasoff, clifford e. berry
Country : us.

Invention : computer, laptop
Year : 1983
Inventor : radio shack corp.
Country : us.

Invention : computer, personal
Year : 1974
Inventor : mits (micro instrumentation telemetry systems)
Country : us.

Invention : concrete, reinforced
Year : 1867
Inventor : joseph monier
Country : france.

Invention : condom, latex
Year : c. 1930
Inventor : -
Country : -.

Invention : contact lenses
Year : 1887
Inventor : adolf fick
Country : germany.

Invention : contraceptives, oral
Year : early 1950s
Inventor : gregory pincus, john rock, min chueh chang
Country : us.

Invention : corn, hybrid
Year : 1917
Inventor : donald f. jones
Country : us.

Invention : correction fluid, white
Year : 1951
Inventor : bette nesmith
Country : us.

Invention : cotton gin
Year : 1793
Inventor : eli whitney
Country : us.

Invention : coupon, grocery
Year : 1894
Inventor : asa candler
Country : us.

Invention : crayons, children's wax
Year : 1903
Inventor : edwin binney, c. harold smith
Country : us.

Invention : cream separator (dairy processing)
Year : 1878
Inventor : carl gustaf patrik de laval
Country : sweden.

Invention : credit card
Year : 1950
Inventor : frank mcnamara, ralph schneider (diners' club)
Country : us.

Invention : crossword puzzles
Year : 1913
Inventor : arthur wynne
Country : us.

Invention : ddt
Year : 1874
Inventor : othmar zeidler
Country : germany.

Invention : defibrillator
Year : 1952
Inventor : paul m. zoll
Country : us.

Fact
The city of Chicago has the only post office in the world where you can drive your car through .. More >>