Now you Know

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.

Invention : dentures
Year : c. 700 bc
Inventor : etruscans
Country : italy.

Invention : detector, metal
Year : late 1920s
Inventor : gerhard fisher
Country : germany/us.

Invention : detector, home smoke
Year : 1969
Inventor : randolph smith, kenneth house
Country : us.

Invention : diamond, artificial
Year : 1955
Inventor : general electric co.
Country : us.

Invention : diapers, disposable
Year : 1950
Inventor : marion donovan
Country : us.

Invention : digital videodisc (dvd)
Year : 1995
Inventor : consortium of international electronics companies
Country : japan, us, the netherlands.

Invention : dishwasher
Year : 1886
Inventor : josephine cochrane
Country : us.

Invention : dna fingerprinting
Year : 1984
Inventor : alec jeffreys
Country : uk.

Invention : doughnut (ring) or donut
Year : 1847
Inventor : hanson crockett gregory
Country : us.

Invention : door, revolving
Year : 1888
Inventor : theophilus von kannel
Country : us.

Invention : drinking fountain
Year : c. 1905-1912
Inventor : luther haws, halsey w. taylor (invented separately)
Country : us.

Invention : dry cleaning
Year : 1855
Inventor : jean baptiste jolly
Country : france.

Invention : dynamite
Year : 1867
Inventor : alfred nobel
Country : sweden.

Invention : elastic, fabric
Year : c. 1830
Inventor : thomas hancock
Country : uk.

Invention : electric chair
Year : 1888
Inventor : harold p. brown, arthur e. kennelly
Country : us.

Nobel Prize
Nobel Prize : Peace
Year : 1978
Name : anwar sadat
Country : egypt.
Name : menachem begin
Country : israel. .. More >>