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- Thread starter samoth
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), Snapple caps, or anything of substantive value.How far away is the horizon?
The question is deceptively simple. But for an observer at sea, what appears to be the horizon (in miles) is equal to 1.317 times the square root of the height of the vantage point (measured in feet). Thus if you are 10 feet above the water's surface, the horizon is 4.16 miles away.
The question is deceptively simple. But for an observer at sea, what appears to be the horizon (in miles) is equal to 1.317 times the square root of the height of the vantage point (measured in feet). Thus if you are 10 feet above the water's surface, the horizon is 4.16 miles away.
How much wind energy could the United States generate?
The wind contains energy. The total wind power of the atmosphere has been estimated at about 3.6 billion kilowatts. On the whole, the United states is a windy country, and, if it so desired, it could extract some 370,000 percent more electrical energy from the wind than it does now.
The wind contains energy. The total wind power of the atmosphere has been estimated at about 3.6 billion kilowatts. On the whole, the United states is a windy country, and, if it so desired, it could extract some 370,000 percent more electrical energy from the wind than it does now.
stosstruppe
Well-known member
The sound you hear when you crack your knuckles is actually the sound of nitrogen gas bubbles bursting.
Whaleships have three masts. The mainmast is the center and tallest of the masts. The mizenmast is the third and rearmost mast. The foremast is the first mast, closest to the bow.
Each mast is made of five sections. The lowest has the same name of the entire mast, while the four sections above are, in rising order, the topmast, topgallant mast, royal mast, and skysail mmast. Each section is prefixed by its mast name, e.g., for the foremast, it would go: foremast, fore topmast, fore topgallant mast, fore royal mast, and fore skysail mast.
Each mast is made of five sections. The lowest has the same name of the entire mast, while the four sections above are, in rising order, the topmast, topgallant mast, royal mast, and skysail mmast. Each section is prefixed by its mast name, e.g., for the foremast, it would go: foremast, fore topmast, fore topgallant mast, fore royal mast, and fore skysail mast.
stosstruppe
Well-known member
One cannot catch cold at the North Pole in winter. Neither can one contract the flu, nor most of the ailments transmitted viruses and germs. The winter temperature is so low in this part of the world that none of the standard disease causing Micro-organisms can survive.
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