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Inventions Questions and Answers

51.

In which decade was the first solid state integrated circuit demonstrated?

Answer: A

It was demonstrated in the 1950s.

Jack Kilby at Texas Instruments built the first working integrated circuit in September 1958, on a sliver of germanium. Robert Noyce at Fairchild produced a silicon version months later, and it was his planar design that the industry adopted.

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52.

For what does the world owe Almon Strowger a debt of gratitude?

Answer: C

For the automatic telephone exchange.

Almon Strowger, an undertaker in Kansas City, believed the local operator was diverting calls to a rival, and in 1891 patented a switch that let callers reach a number without a human intermediary. The Strowger step-by-step switch served exchanges for eighty years.

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53.

What plaything was invented by Joe McVicker in 1956?

Answer: D

It was Play-Doh.

Joe McVicker's family firm made a putty for cleaning coal soot off wallpaper. When oil heating made that trade obsolete, a schoolteacher relation suggested selling the compound as a modelling material for children.

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54.

What groovy item was invented by Englishman Edward Craven Walker in 1963?

Answer: B

It was the lava lamp.

Edward Craven Walker devised it after seeing an egg-timer made from a cocktail shaker of oily liquid on a stove in a Dorset pub. He called it the Astro Lamp, and it became an emblem of the 1960s.

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57.

Walter Frederick Morrison is credited with inventing the modern flying disc in the mid-1950s. Wham-O bought his idea in 1957 and named the toy after William Russell Frisbie, who was a

Answer: A

He was a pie maker.

William Russell Frisbie ran the Frisbie Pie Company at Bridgeport, Connecticut, and Yale students threw its empty tins. Wham-O, having bought Walter Frederick Morrison's plastic Pluto Platter, renamed it after the pies in 1958.

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58.

Who invented the first controllable flying AEROPLANE (AIRPLANE)?

Answer: A

The Wright brothers did.

Wilbur and Orville flew the Wright Flyer at Kitty Hawk on 17 December 1903, covering 37 m in twelve seconds. Others had flown before, but the Wrights were first to achieve controlled flight, through their system of wing-warping for roll.

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59.

Which of the following was first patented by an Australian in 1889?

Answer: A

It was the electric drill.

Arthur James Arnot, an engineer working for the Union Electric Company in Melbourne, patented it in 1889 for drilling rock and coal. Wilhelm Fein had made an electric hand drill in Germany in 1895, and Black and Decker added the pistol grip and trigger in 1917.

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60.

What did Frank Whittle invent?

Answer: D

He invented jet propulsion.

Frank Whittle patented the turbojet in 1930 at twenty-three, receiving no official support for years. His engine first flew in the Gloster E.28/39 in May 1941, and every jet airliner descends from it.

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