13363. Loudness

Loudness :
Thunder storm : 110 db

13364. Loudness

Loudness :
Rock music : 120 db

13365. Loudness

Loudness :
Aircraft noise : 90-120 db

13366. Loudness

Loudness :
Jet takeoff(at 100 meter distance) : 120 db

13367. Loudness

Loudness :
Jet engine(at 25 meter distance) : 140 db

13368. Loudness

Loudness :
Space vehicle launch (from a short distance) : 140-170 db

13369. Medical Invention

Medical Invention : malaria parasite
Inventor : ronald rose

13370. Medical Invention

Medical Invention : anti-polio vaccine
Inventor : salk, jonas e.

13371. Medical Invention

Medical Invention : chloroform
Inventor : simpson and harrison

13372. Medical Invention

Medical Invention : streptomycin
Inventor : waksman

13373. Medical Invention

Medical Invention : insulin ( as a palliative for diabetes)
Inventor : banting

13374. Medical Invention

Medical Invention : replacing the human heart
Inventor : barnard, christian

13375. Medical Invention

Medical Invention : cure of kala-a-zar fever
Inventor : brahmachari, u.n.

13376. Medical Invention

Medical Invention : isolation of metals by electricity; studied properties of chlorine
Inventor : davy

13377. Medical Invention

Medical Invention : sulpha drugs as bactericides
Inventor : domagk

13378. Medical Invention

Medical Invention : cause of beri-beri
Inventor : eijkman

13379. Medical Invention

Medical Invention : discovered curative effect of ultra violet rays; photography
Inventor : finsen

13380. Medical Invention

Medical Invention : penicillin (in 1929)
Inventor : fleming, alexander

13381. Medical Invention

Medical Invention : circulation of blood
Inventor : harvey

13382. Medical Invention

Medical Invention : homoeopathy (founder)
Inventor : hahnemann

Fact
Some horticulturists suspect that the banana was the earth's first fruit. Banana plants have been in cultivation since the time of recorded history. One of the first records of bananas dates back to Alexander the Great's conquest of India where he first discovered bananas in 327 B.C.      .. More >>