Now you Know

Invention : ink
Year : c. 2500 bc
Inventor : -
Country : egypt, china.

Invention : insulin, extraction and preparation of
Year : 1921
Inventor : sir frederick grant banting, charles h. best
Country : canada.

Invention : integrated circuit
Year : 1958
Inventor : jack s. kilby
Country : us.

Invention : internet
Year : 1969
Inventor : advanced research projects agency (arpa) at the dept. of defense
Country : us.

Invention : iron, electric
Year : 1882
Inventor : henry w. seely
Country : us.

Invention : irradiation, food
Year : 1905
Inventor : -
Country : us/uk.

Invention : jeans
Year : 1873
Inventor : levi strauss, jacob davis
Country : us.

Invention : jell-o (gelatin dessert)
Year : 1897
Inventor : pearle b. wait
Country : us.

Invention : jukebox
Year : 1889
Inventor : louis glass
Country : us.

Invention : kevlar
Year : 1965
Inventor : stephanie kwolek
Country : us.

Invention : kool-aid (fruit drink mix)
Year : 1927
Inventor : edwin e. perkins
Country : us.

Invention : laser
Year : 1958
Inventor : gordon gould and charles hard townes, arthur l. schawlow (invented separately)
Country : us.

Invention : laundromat
Year : 1934
Inventor : j.f. cantrell
Country : us.

Invention : lawn mower, gasoline-powered
Year : c. 1940
Inventor : leonard goodall
Country : us.

Invention : lego
Year : late 1940s
Inventor : ole kirk christiansen
Country : denmark.

Invention : light bulb, incandescent
Year : 1879
Inventor : thomas alva edison
Country : us.

Invention : light bulb, fluorescent
Year : 1934
Inventor : arthur compton
Country : us.

Invention : light-emitting diode (led)
Year : 1962
Inventor : nick holonyak, jr.
Country : us.

Invention : linoleum
Year : 1860
Inventor : frederick walton
Country : uk.

Invention : lipstick, tube
Year : 1915
Inventor : maurice levy
Country : us.

Fact
The citric acid in Coke removes stains from vitreous china. .. More >>