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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- When did the Golden Gate Bridge open?
“The Golden Gate Bridge opened in 1937 and had the longest main span of any suspension bridge in the world until 1964.”
Reference: Golden Gate Bridge, Highway and Transportation District
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Why is the Golden Gate Bridge orange?
The Golden Gate Bridge's famous "International Orange" color began as primer, but the architect liked how it blended with the landscape and stood out in fog.
Wind power fact about California
In 1990 in California alone, wind power offset the emission of more than 2.5 billion pounds of carbon dioxide and 15 million pounds of other pollutants - the same amount of air quality provided by more than 150 million trees.