science and tech Flashcards
1
Q
who invented automatic calculator in 1623
A
wilhelm schickard
2
Q
who invented air conditioner in 1902
A
willis carrier
3
Q
who invented atom bomb in 1945
A
jr oppenheimer
4
Q
who invented airplane in 1903
A
wilber and orvik wright
5
Q
who invented bicycle in 1839
A
k macmillan
6
Q
who invented diesel engine in 1895
A
rudolf diesel
7
Q
who invented dynamite in 1867
A
alfred b nobel
8
Q
who invented gramophone in 1878
A
thomas edison
9
Q
who invented helicopter in 1939
A
Igor Sikorsky
10
Q
who invented locomotive in 1804
A
george stepehenson
11
Q
who invented light bulb in 1854
A
thomas edison
12
Q
who invented microphone in 1876
A
alexandar graham bell
13
Q
who discovered oxygen in 1774
A
joseph priestly
14
Q
who invented printing press in 1440
A
jo hannes gutenberg
15
Q
who invented polio vaccine in 1955
A
jonas edward salk
