2006-06-05 22:01:47 · 7 answers · asked by red bull 1 in Science & Mathematics ➔ Engineering
i know but i dont want to give u spoon feed..go through books
2006-06-05 22:04:00 · answer #1 · answered by Raju.K.M 5 · 0⤊ 0⤋
bomb, atomic 1945 J. Robert Oppenheimer, et al. US
television 1923, 1927 Vladimir Kosma Zworykin, Philo Taylor Farnsworth Russia/US, US
radio 1896 Guglielmo Marconi Italy
Hougen is 72 years old. He has 240 foreign and domestic patents, and 47 pending. In his words, "You're never too young and never too old to invent". He cites his first invention as an electric doorbell back around 1930 when he was 14. This was in northern Saskatchewan -- no electricity. He used a car battery. It worked fine -- except that the battery had to be shared with the family car.
2006-06-05 22:06:27 · answer #2 · answered by Anonymous · 0⤊ 0⤋
television: Philo T. Farnsworth and Vladmir Zworkin
Atom Bomb: many people. The leader of the team that actually built the bomb was Robert Oppenheimer. But he was just one of many, and the science that went into it was also done by many. Albert Einstein's equation E=mc^2 was the baseline for unleashing that kind of power (though Einstein himself was very much against the creation and use of the device).
Radio: Nikola Tesla. If anyone answers Marconi, they are wrong. Marconi was a theif.
What the hell is and electric bell? I am pretty sure that Edison and JP Morgan invented the electric BILL!!
2006-06-05 22:07:32 · answer #3 · answered by eyebum 5 · 0⤊ 0⤋
Television - Philo T. Farnsworth
A Scotsman named John Logie Baird, who created the first mechanical TV in Britain in 1926. But it was the American Philo T. Farnsworth who invented the first electronic TV based on cathode ray tubes -- this was the TV design that became popular and is still in use
Atom Bomb - Albert Einstein
Electric Bell - Siegfried Marcus Car (1877)
Radio - Any one of these: Guglielmo Marconi, Nikola Tesla, Alexander Popov, Sir Oliver Lodge, Reginald Fessenden, Heinrich Hertz, Amos Dolbear, Mahlon Loomis, Nathan Stubblefield and James Clerk Maxwell.
2006-06-05 22:12:21 · answer #4 · answered by nice_libra_guy 6 · 0⤊ 0⤋
John Logie Baird
The atomic bomb was invented by two refugee German scientists in Britain, Professor Rudolph Peierls and Otto Frisch, of Birmingham University. They designed a "blue-print" for making an atom bomb in 1940
Doug Hougen, from Flint in Michigan
Guglielmo Marconi
2006-06-05 22:09:28 · answer #5 · answered by Andy 4 · 0⤊ 0⤋
Just what class is this homework for, history or physics class?
What is an "electric bell", like your doorbell?
And, the atom bomb was simply the culmination of work done by Fermi, Einstein, Oppenheimer and a few others.
2006-06-05 22:08:46 · answer #6 · answered by quntmphys238 6 · 0⤊ 0⤋
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2016-03-26 20:49:37 · answer #7 · answered by Anonymous · 0⤊ 0⤋