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Tag: measurement

US finally giving boot to official foot measurement

US finally giving boot to official foot measurement

Technology
The United States is abandoning the definition of the foot used to measure big things and replacing it with the so-called international footBy SETH BORENSTEIN AP Science WriterDecember 14, 2019, 2:04 PM4 min readWASHINGTON -- Change is afoot for the official measuring stick used to size up big places in America. The reason? There are actually two different definitions of the 12-inch measurement known as a foot. Some land surveyors use what’s known as the U.S. survey foot. Others use the definition that’s more accepted by the broader world: the international foot. The difference between them is so tiny that you can’t see it with the naked eye on a 12-inch ruler. But over big distances, it matters. So, to reduce the chance for errors and confusion, the federal government has announced it’s ...
UK has new highest peak after measurement error

UK has new highest peak after measurement error

Technology
Britain has a new highest mountain after new data showed measurements from old overland surveys were inaccurate.It was thought until this point that Mount Jackson was the tallest mountain in the British Antarctic Territory at 3,184m (10,444ft) above sea level.However, new satellite data by British Antarctic Survey (BAS) shows Mount Hope is the tallest mountain, at 3,239m (10,654ft).The new data reveals Mount Hope as being 55m taller than Mount Jackson and 377m higher than previously thought.The discovery was made during work by BAS to update planning maps for pilots operating in Antarctica.New high-resolution satellite measurements, accurate to within five metres, show there are several errors in the old overland surveys.Adrian Fox, head of mapping and geographic information at BAS, said: ...