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The pros and cons of the whole world using the metric system.

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by

Nanak Dhillon

on 2 October 2012

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Transcript of The pros and cons of the whole world using the metric system.

photo credit Nasa / Goddard Space Flight Center / Reto Stöckli Should the whole world use the metric system? The metric system is based on the number 10 which is easy to remember. However with the us customary system its not easy to remember random numbers like 12,3,36,16,2000,and 5,280. Pro Con In 1999, NASA lost a $125 million dollar Mars orbiter because one engineering team used metric units while the other team used US customary units for a calculation.Also, in 1983 a Boeing 767 jet ran out of fuel mid-flight because someone miscalculated the gallons to liters conversion. Pro People who have been using the US customary system won't want to switch to the metric system. Con 95% of the world uses the metric system while only 5% uses other systems so if just 5% would take a few hours to learn the metric system everyone would be able to talk to each other about measurement and understand what people are talking about. Pro It would cost a lot of money to change all the signs on the highway from miles to km and the U.S. is already 15 trillion dollars in debt.
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