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15
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Who invented the microwave, Percy Spencer or JL Baird?
Percy Spencer
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15
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The image shows an early model of ... a washing machine or a mixer?
Washing machine
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15
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When was the vacuum cleaner invented, in 1901 or in 1920?
In 1901, by Hubert Cecil Booth, a British engineer.
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15
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Who developed the first automated dishwasher? Joel Houghton or Josephine Cochrane?
Josephine Cochrane
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banana
Go to last place!
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star
Double points!
Okay!
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rocket
Go to first place!
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thief
Give points!
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25
15
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The wind muff ( a foam ball used on microphones) was invented by the Portuguese engineer Jaime Filipe. True or False?
True
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15
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When did the Scottish engineer, John Baird, give the first demonstration of television? 1943 0r 1927?
In 1927, in central London, before 50 scientists.
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15
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The world's first photograph was taken in 1826 by Joseph Nicéphore Niépce. True or False?
True.
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15
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Who invented the electric iron, Henry Seely or Percy Spencer?
Henry Seely
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lifesaver
Give 10 points!
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magnet
Take 15 points!
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shark
Other team loses 25 points!
Okay!
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banana
Go to last place!
Oops!
15
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When was this hairdryer popular, during the 1920s or 1930s?
During the 1920s...It took up to 10 hours to complete hair drying and perming. Still, it was great 20th-century technology...
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15
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When and where did the first radio news broadcast take place? In 1920, in Detroit, USA, or 1910 in Berlin, Germany?
In 1920, in Detroit, USA.
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lifesaver
Give 20 points!
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star
Double points!
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fairy
Take points!
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10
15
20
25
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lifesaver
Give 10 points!
Oops!
15
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Who invented the refrigerator, James Harrison in 1856 or Gutenberg in 1440?
The Australian James Harrison in 1856.
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