Now you Know
13061. Invention
Invention : condom, latex
Year : c. 1930
Inventor : -
Country : -.
13062. Invention
Invention : contact lenses
Year : 1887
Inventor : adolf fick
Country : germany.
13063. Invention
Invention : contraceptives, oral
Year : early 1950s
Inventor : gregory pincus, john rock, min chueh chang
Country : us.
13064. Invention
Invention : corn, hybrid
Year : 1917
Inventor : donald f. jones
Country : us.
13065. Invention
Invention : correction fluid, white
Year : 1951
Inventor : bette nesmith
Country : us.
13066. Invention
Invention : cotton gin
Year : 1793
Inventor : eli whitney
Country : us.
13067. Invention
Invention : coupon, grocery
Year : 1894
Inventor : asa candler
Country : us.
13068. Invention
Invention : crayons, children's wax
Year : 1903
Inventor : edwin binney, c. harold smith
Country : us.
13069. Invention
Invention : cream separator (dairy processing)
Year : 1878
Inventor : carl gustaf patrik de laval
Country : sweden.
13070. Invention
Invention : credit card
Year : 1950
Inventor : frank mcnamara, ralph schneider (diners' club)
Country : us.
13071. Invention
Invention : crossword puzzles
Year : 1913
Inventor : arthur wynne
Country : us.
13072. Invention
Invention : ddt
Year : 1874
Inventor : othmar zeidler
Country : germany.
13073. Invention
Invention : defibrillator
Year : 1952
Inventor : paul m. zoll
Country : us.
13074. Invention
Invention : dentures
Year : c. 700 bc
Inventor : etruscans
Country : italy.
13075. Invention
Invention : detector, metal
Year : late 1920s
Inventor : gerhard fisher
Country : germany/us.
13076. Invention
Invention : detector, home smoke
Year : 1969
Inventor : randolph smith, kenneth house
Country : us.
13077. Invention
Invention : diamond, artificial
Year : 1955
Inventor : general electric co.
Country : us.
13078. Invention
Invention : diapers, disposable
Year : 1950
Inventor : marion donovan
Country : us.
13079. Invention
Invention : digital videodisc (dvd)
Year : 1995
Inventor : consortium of international electronics companies
Country : japan, us, the netherlands.
13080. Invention
Invention : dishwasher
Year : 1886
Inventor : josephine cochrane
Country : us.
My Account / Test History
Fact
Nobel, actually invented dynamite, (Dynamite no.1 and Ballistite) but when he saw the destruction it caused, he decided to do something benevolent with all the money he made. Hence the Nobel Prize.
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