How accurately is the Great Pyramid aligned?
The Great Pyramid's sides are aligned almost exactly with true north, south, east, and west, a stunning feat of precision for ancient engineers.
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- What was found inside the Brooklyn Bridge in 2006?
“In 2006, workers found a stash of Cold War survival supplies inside the Brooklyn Bridge.”
Reference: The New York Times
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When did the Brooklyn Bridge open?
The Brooklyn Bridge opened in 1883 and was the first steel-wire suspension bridge.
What spy device did Léon Theremin invent?
Léon Theremin later invented "The Thing," a hidden listening device that the Soviets placed inside a wooden Great Seal given to the US ambassador in Moscow.