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

13383. Medical Invention

Medical Invention : vitamin d
Inventor : hopkins, frederick gowland

13384. Medical Invention

Medical Invention : smallpox vaccination
Inventor : jenner

13385. Medical Invention

Medical Invention : tubercle bacillus
Inventor : koch

13386. Medical Invention

Medical Invention : stethoscope
Inventor : lainnec

Fact
Texas is the only state that allows its residents to cast absentee ballots from space. This is because the Houston Space Center is home to most of the United States' astronauts;      .. More >>