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Who Invented The World Wide Web ?

Sir Timothy John
Earle Dickson
James Rineose
Laszlo Jozsef Biro

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Sir Timothy John "Tim" Berners-Lee also known as "TimBL", is a British computer scientist, MIT professor and the inventor of the World Wide Web. On 25 December 1990, with the help of Robert Cailliau and a young student at CERN, he implemented the first successful communication between a Hypertext Transfer Protocol (HTTP) client and server via the Internet.

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Who Invented the First Adhesive Tape ?

Richard GurleyDrew
Alexander Graham Bell
James Rineose
Caresse Crosby

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Born on June22, 1899 at St. Paul, Minnesota, he invented the first masking tape in 1923.

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Who invented the anemometer ?

Richard GurleyDrew
Leon Battista Alberti
Orville
Caresse Crosby

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The first known description of an anemometer was given by Leon Battista Alberti around 1450.

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Who Invented Aqua-lung ?

Joel Houghton
Ruth Graves Wakefield
Adolf Gaston Eugen Fick
Jacques Cousteau

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Jacques Cousteau and Emile Gagnan both has the credit of Inventing Aqua-Lung. Aqua-Lung was the original name of regulator or demand valve. It is open-circuit free-swimming underwater breathing set that helps swimmers to breathe in water. It was invented in Paris during the 1942-1943 winter by these two Frenchmen.

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Who Invented Street Letter Drop Mailbox ?

Bartolomeo Cristofori di Francesco
Arthur Wynne
Thomas Davenport
Philip B. Downing

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he credit of inventing the protective public mailbox(letter-box) goes to the Philip B. Downing, who was from Boston, Massachusetts, had been awarded a U.S. patent(No. 462,093) for animprovement to the street letter (mail) box on Oct. 27, 1891.  This improvement in the coveringand opening of outdoor mailboxes protected mail from both intruders andweather. It is same as we are using now a days.

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Who Invented the Electric Pressing Iron ?

Charles Richard Drew
Henry W. Seely
Thomas Davenport
Philip B. Downing

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Born on July 2, 1854 at Richville, Kentucky,USA, Henry W. Seely patented the electric pressing iron In June 6,1882.  It was known as the Electric Flatironat that time. After inventing their first iron she worked with his partner, Dyer, to patent a different "electric flat iron" in 1883. They invented a sort of "cordless" iron, on a stand heated by electricity. The iron took a long time to get heated also also was very heavy too.  Henry W. Seely died on November 9 1908 at Shermer, Rhode Island.

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Who Invented Capillary Feed Fountain Pen ?

Lewis Edson Waterman
Henry W. Seely
Jesse Wilford Reno
Sir Sandford Fleming

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Lewis Edson Waterman received a patent for capillary feed fountain pen in 1884 after which he founded the Waterman pen company. Before his fountain pen, pen tips had to be tipped into ink after every few words, but it was his three-channel feed that allowed fountain pens to write without skipping for the first time. He put an ink reservoir in the pen above the pen's metal nib.

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Who Invented Microwave Oven ?

Lewis Edson Waterman
Levi Strauss
Percy LeBaron Spencer
Sir Sandford Fleming

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The Credit of inventing microwave oven goes to an American engineer and inventor Percy LeBaron Spencer.  In 1945, Spencer created a device to cook food using microwave radiation. In 1947 a commercial oven was being sold by Raytheon. The first microwave oven was called the Radarange. The first microwave oven weighed a hefty 750 pounds and stood five feet, six inches. It was large, expensive, and had a power of 1600 watts. The first domestic microwave oven was produced in 1967 by Amana (a division of Raytheon) marking the beginning of the use of microwave ovens in home kitchens.

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Who Invented Traffic Signal ?

Lewis Edson Waterman
Levi Strauss
Percy LeBaron Spencer
Garrett Augustus Morgan

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Garrett Augustus Morgan of Paris, Kentucky, has the credit of inventing Traffic Signal. Although many people had invented it but Garrett Morgan was one of the first to apply for and acquire a U.S. patent for an inexpensive to produce traffic signal. The patent was granted on November 20, 1923.

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Who Invented Dynamite Explosive Material?

Alfred Bernhard Nobel
Levi Strauss
Percy LeBaron Spencer
Garrett Augustus Morgan

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Alfred Bernhard Nobel has the credit of inventing dynamite whose name is derived from Greek roots that literally mean "connected with power." He was a Swedish engineer, innovator and chemist. Dynamite is an explosive material based on nitroglycerin. Nobel found that when nitroglycerin was incorporated in an absorbent inert substance like kieselguhr it became safer and more convenient to handle, and this mixture he patented(U.S. patent number 78,317) in 1867 as 'dynamite'. To be able to detonate the dynamite rods, Nobel also improved his detonator (blasting cap) so that it could be ignited by lighting a fuse. In 1875, Nobel invented blasting gelatine in Paris and patented it in 1876. In 1887, he was granted a French patent for blasting powder "ballistite"

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