The Kilogram Is Heavier Than It Used To Be Too
Monday, January 7, 2013 - 05:50
in Physics & Chemistry
Feel heavier after the holidays? Newcastle University says you are not alone. Their Theta-probe XPS machine, the only one of its kind in the world, has shown that the original kilogram is also heavier - at least compared to when it became the metric standard in 1875. read more