Now you Know
13004. Invention
Invention : ball bearing
Year : 1794
Inventor : philip vaughan
Country : england.
13005. Invention
Invention : balloon, hot-air
Year : 1783
Inventor : joseph & etienne montgolfier
Country : france.
13006. Invention
Invention : bandage, adhesive
Year : 1921
Inventor : earle dickson
Country : us.
13007. Invention
Invention : bar code
Year : 1952
Inventor : joseph woodland
Country : us.
13008. Invention
Invention : barbed wire
Year : 1874
Inventor : joseph glidden
Country : us.
13009. Invention
Invention : barometer
Year : 1643
Inventor : evangelista torricelli
Country : italy.
13010. Invention
Invention : battery, electric storage
Year : 1800
Inventor : alessandro volta
Country : italy.
13011. Invention
Invention : beer
Year : before 6000 bc
Inventor : sumerians, babylonians
Country : mesopotamia.
13012. Invention
Invention : bicycle
Year : 1818
Inventor : baron karl de drais de sauerbrun
Country : germany.
13013. Invention
Invention : bifocal lens
Year : 1784
Inventor : benjamin franklin
Country : us.
13014. Invention
Invention : bikini
Year : 1946
Inventor : louis reard
Country : france.
13015. Invention
Invention : blood bank
Year : late 1930s
Inventor : charles richard drew
Country : us.
13016. Invention
Invention : blow-dryer
Year : 1920
Inventor : racine universal motor co., hamilton beach manufacturing co.
Country : us.
13017. Invention
Invention : bomb, atomic
Year : 1945
Inventor : j. robert oppenheimer, et al.
Country : us.
13018. Invention
Invention : bomb, thermonuclear (hydrogen)
Year : 1952
Inventor : edward teller, et al.
Country : us.
13019. Invention
Invention : boomerang
Year : c. 15,000 years ago
Inventor : aboriginal peoples
Country : australia.
13020. Invention
Invention : braille system
Year : 1824
Inventor : louis braille
Country : france.
13021. Invention
Invention : brassiere (bra)
Year : 1913
Inventor : mary phelps jacob
Country : us.
13022. Invention
Invention : bread, sliced (bread-slicing machine)
Year : 1928
Inventor : otto frederick rohwedder
Country : us.
13023. Invention
Invention : button
Year : c. 700 bc
Inventor : greeks, etruscans
Country : greece, italy.
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