"It is probably true that the individual genius contributed most to the advancement of scientific knowledge through the nineteenth century, but the rapid advance in this century has been to the collective efforts of individually free scientists..."
—William P. Allis Professor of Physics
The kilo is dead. Long live the kilo!
posted May 17, 2019 at 11:20 am
An old artifact kept in a vault outside Paris is no longer the standard for the kilogram. Now, nature itself provides the definition. «more»