NIST considers the mystery of the gravitational constant
NIST scientists Stephen Schlamminger (left) and Vincent Li examine the torsional balance used to measure the gravitational constant. G, A 10-year effort. credit: R. Escalis/NIST It was time to open the envelope, but National Institute of Standards and Technology (NIST) physicist Stephen Schlamminger wasn’t sure if he wanted to know the secret number inside. For … Read more