Quantum Mechanics Will Be Used to Determine Weight and Measurement Standards
What makes a kilogram a kilogram? Since the late 19th century the standard, which a kilogram has been measured, has been based on a chunk of platinum-alloy, called Le Grand K, that’s held at the International Bureau of Weights and Measures laboratory in Sèvres, France. According to the Encyclopedia Britannica, a kilogram was originally intended […]