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Inventions

Inventions
In which decade was the telegraph invented?

1840s
1890s
1810s
1870s

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Inventions
Who synthesized the first wholly artificial gene?

Benjamin Franklin
J.J. Thompson
Hargobind Khorana
Meghnad Saha

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Inventions
In which decade were the first successful diode and triode vacuum tubes invented?

1890s
1800s
1880s
1900s

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Inventions
What piece of clothing was invented by French fashion designer Louis Reard in 1946?

Bikini
Tank top
Zoot suit
Mini-skirt

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Inventions
Who invented the battery?

James Hargreaves
Thomas Edison
Alessandro Volta
John Wilkinson

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Inventions
Who invented Bicycle?

Kirkpatrick Macmillan
Karl Benz
Evangelista Torricelli
Leo H Baekeland

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