The next time you pick up a bag of spuds from the supermarket or fill up the car with petrol, you can thank a treaty signed 150 years ago for the metric system that underpins daily life. On May 20, ...
On May 20, 1875, the so-called Metre Convention was ratified in Paris. With this agreement, the signatories undertook to support meters and kilograms in science and research as well as in economic ...