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Invention : airship
Year : 1852
Inventor : henri giffard
Country : france.

Invention : alphabet
Year : c. 1700-1500 bc
Inventor : semitic-speaking peoples
Country : eastern coast of mediterranean sea.

Invention : american sign language
Year : 1817
Inventor : thomas h. gallaudet
Country : us.

Invention : animation, motion-picture
Year : 1906
Inventor : j. stuart blackton
Country : us.

Invention : answering machine, telephone
Year : 1898
Inventor : valdemar poulsen
Country : denmark.

Invention : aspartame
Year : 1965
Inventor : james schlatter
Country : us.

Invention : aspirin
Year : 1897
Inventor : felix hoffmann (bayer)
Country : germany.

Invention : assembly line
Year : 1913
Inventor : henry ford
Country : us.

Invention : astrolabe
Year : c. 2nd century
Inventor : -
Country : -.

Invention : astroturf
Year : 1965
Inventor : james m. faria, robert t. wright
Country : us.

Invention : audiotape
Year : 1928
Inventor : fritz pfleumer
Country : germany.

Invention : automated teller machine (atm)
Year : 1968
Inventor : don wetzel
Country : us.

Invention : automobile
Year : 1889
Inventor : gottlieb daimler
Country : germany.

Invention : baby food, prepared
Year : 1927
Inventor : dorothy gerber
Country : us.

Invention : bag, flat-bottomed paper
Year : 1870
Inventor : margaret knight
Country : us.

Invention : bakelite
Year : 1907
Inventor : leo hendrik baekeland
Country : us.

Invention : ball bearing
Year : 1794
Inventor : philip vaughan
Country : england.

Invention : balloon, hot-air
Year : 1783
Inventor : joseph & etienne montgolfier
Country : france.

Invention : bandage, adhesive
Year : 1921
Inventor : earle dickson
Country : us.

Invention : bar code
Year : 1952
Inventor : joseph woodland
Country : us.

Fact
On average, there are 94 girls born for every 100 boys, but among quadruplets, 156 girls are born for every 100 boys. .. More >>