The kilo? take it with a grain of salt
28 October 2007Emeritus Professor Ian Mills (Chemistry) says just tiny inaccuracies can have consequences, after scientists discover that the 41 supposedly identical platinum-alloy cylinders that define how heavy a kilogram is have been drifting apart in weight. Emeritus Professor Ian Mills (Chemistry) says just tiny inaccuracies can have consequences, after scientists discover that the 41 supposedly identical platinum-alloy cylinders that define how heavy a kilogram is have been drifting apart in weight.