Air conditioner was discovered by
Answer: D
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What charge card, developed in 1950, was the first to be approved nationally in the US?
Answer: D
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The Manhattan Project was started by President Roosevelt in 1942 to ensure that the U.S. beat the Germans in developing a nuclear bomb. Whom did Roosevelt appoint as scientific head the Manhattan Proj
Answer: A
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In which year was World Wide Web first publicly introduced
Answer: B
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Frequency modulation radio 'FM' was invented by
Answer: B
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Computer (personal)-
Answer: D
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What ?game? was first produced by the Southern Novelty Company in Baltimore, Maryland in 1892?
Answer: C
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What type of system did Paul Nipkow, John Baird, and Charles Jenkins all invent?
Answer: D
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What item, originally called the ?Whirlwind?, was invented by Ives McGaffey in 1869?
Answer: B
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Who perfected GENETIC ENGINEERING?
Answer: A
Genetic Engineering, the technique of DNA cloning was perfected by Stanley Cohen and Herbert Boyer in 1973.
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