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Inventions, Discoveries and Explorations
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Inventions, Discoveries and Explorations
Who discovered Magnetic North Pole in 1831?
David Living Stone
Francis Drake
Sir James Clark
Ruth Driefus
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Inventions, Discoveries and Explorations
Who discovered the first practical method of freezing food?
C. Birdseye
F. Rozenosh
G. Findus
R. Scott
In the 1920s Clarence Birdseye discovered that if food was flash-frozen under pressure, it would freeze without the formation of ice crystals.
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Inventions, Discoveries and Explorations
Who discovered the moons of Jupiter?
Galileo
Kepler
Newton
Tayco Brake
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First in the World
In which decade with the first transatlantic radio broadcast occur?
1850s
1860s
1870s
1900s
On December 12, 1901, a radio transmission received by Guglielmo Marconi resulted in the first transmission of a transatlantic wireless signal (Morse Code) from Poldhu, Cornwall, to St. John’s, Newfoundland.
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Inventions, Discoveries and Explorations
Facebook was launched in:
2004
2006
2008
2010
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Inventions, Discoveries and Explorations
Which company invented Ethernet in the 1970s?
Tenda
CERN
Xerox Corporation
None of these
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Inventions, Discoveries and Explorations
Who discovered sodium in the year 1807?
Sir Humphry Davy
John von Neumann
James Watson
John Bardeen
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Inventions, Discoveries and Explorations
Gunpowder was invented by the Chinese:
Ming Dynasty China
Tang Dynasty China
Yuan Dynasty China
Song Dynasty China
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Inventions, Discoveries and Explorations
Who invented pressure-sensitive adhesive tape in 1845?
Dr. Ferdinand Magellan
Dr. Horace day
Dr. Howard Armstrong
None of these
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Inventions, Discoveries and Explorations
Who invited the electric bulb?
Thomas More
Thomas Alva Edison
James Watt
None of these
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