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- Question
What Igor Sikorsky invented?
Options- A. Hydroplane
- B. Jet engine airplane
- C. Helicopter
- D. Glider
- Correct Answer
- Helicopter
ExplanationInvented in 1939. - 1. Who is the English physicist responsible for the 'Big Bang Theory'?
Options- A. Albert Einstein
- B. Michael Skube
- C. George Gamow
- D. Roger Penrose Discuss
- 2. This part-time race car driver invented the bucket seat in 1969. Who was he??
Options- A. Steve McQueen
- B. Harrison Frazier
- C. Paul Newman
- D. John Wayne Discuss
- 3. When was the first elevator built?
Options- A. 1743
- B. 1739
- C. 1760
- D. 1785 Discuss
- 4. When was the game Frisbee invented?
Options- A. 1920s
- B. 1900s
- C. 1870s
- D. 1890s Discuss
- 5. What George Westinghouse invented?
Options- A. Light bulb
- B. Electric razor
- C. Refrigerator
- D. Railway air brakes Discuss
- 6. What toy was invented by Joshua Lionel Cowen around 1900?
Options- A. Raggedy Ann doll
- B. Yo-yo
- C. Electric train
- D. Tinkertoys Discuss
- 7. For what does the world owe Almon Strowger a debt of gratitude?
Options- A. Parking Meters
- B. Vending Machines
- C. Automatic Telephone Exchanges
- D. Traffic Lights Discuss
- 8. Who among the following invented the small pox vaccine?
Options- A. Robert Koch
- B. Edward Jenner
- C. Robert Hooke
- D. Louis Pasteur Discuss
- 9. Benjamin Franklin was a prolific inventor. He invented the lightning rod, the Franklin stove, studied electricity, discovered the Gulf Stream, started the first library, and on and on. Among his many other inventions, what musical instrument did he invent?
Options- A. Banjo
- B. Oboe
- C. Clarinet
- D. Harmonium Discuss
- 10. In which decade was the ARRL founded?
Options- A. 1940s
- B. 1930s
- C. 1920s
- D. 1910s Discuss
Inventions problems
Search Results
Correct Answer: George Gamow
Explanation:
George Gamow. Gamow, who died in 1968, was a physicist, who published "Thirty Years that Shook Physics".
Correct Answer: Steve McQueen
Explanation:
McQueen died in 1980 from a rare form of lung cancer.
Correct Answer: 1743
Explanation:
The first elevator was built in the palace of King Louis XV. It only traveled up one floor, and was hand powered by men inside the chimney.
Correct Answer: 1870s
Explanation:
The first Frisbees were pie tins from the Frisbie Pie Company in Connecticut. In the 1950s, the pie tins were changed to plastic plates. The name then became the Flying Saucer, but later changed to Frisbee.
Correct Answer: Railway air brakes
Explanation:
Invented in 1868.
Correct Answer: Electric train
Explanation:
His middle name, Lionel, is the source of the Lionel Train brand name.
Correct Answer: Automatic Telephone Exchanges
Explanation:
He was an undertaker, and legend has it, he developed the automatic switch in 1889, to stop competitors from getting his work!
Correct Answer: Edward Jenner
Correct Answer: Harmonium
Explanation:
Ben also holds a lot of firsts - first U.S. ambassador, first political cartoonist, first American philosopher, organized the first fire department, and on and on.
Correct Answer: 1910s
Explanation:
On April 6, 1914, Hiram Percy Maxim proposed the formation of the American Radio Relay League.
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