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2
|
In 1901, the first signal was sent and received across what ocean?
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3
|
In 1902, the ionosphere was discovered by who?
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4
|
In 1982, what engine was invented?
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6
|
In 1927, who theorises that the universe has been expanding from a 'primal atom?'
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7
|
In 1896, what did Cavendish discover?
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8
|
In 1892, what did Lvanousky discover?
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9
|
In 1900, what theory was proposed?
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10
|
In 1902, hormones were discovered by who?
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11
|
In 1928, what medicine was discovered?
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12
|
In 1930, what planet was discovered?
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13
|
In 1969, who was the first person to walk on the moon?
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1
|
In 1899, what type of telephone was invented?
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5
|
In 1895, what did Rontgen discover?
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