by Andy Heather
Article by Susan Slobac
Those planning to travel, for business or pleasure will do well to learn the system of length conversion known as the metric system. In fact, a knowledge of metric length conversion will serve you well wherever you go on the planet, since only three countries in the world - Liberia, Myanmar and the U.S. - have refused to accept the metric system. (In the U.S., rejection of the metric system cost NASA 5 million dollars when a valuable Mars probe
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