After decades of scientific research, we can now accurately measure a kilogram

Measuring systems are almost always arbitrary - even the orderly metric system is chopped up into random little pieces we call grams, kilograms, and tons. With the increased need for precision, it's necessary that everyone use the same random unit of mass for a kilogram. After a Nobel winning discovery, and decades of… »9/30/11 2:33pm9/30/11 2:33pm