News tagged with fundamental physical constants

Atomic clock comparison via data highways

( -- Optical atomic clocks measure time with unprecedented accuracy. However, it is the ability to compare clocks with one another that makes them applicable for high-precision tests in fundamental theory, from cosmology ...

dateApr 27, 2012 in General Physics
shares0 comments 3

What is the value of G?

NIST has taken part in a new push to address a persistent and growing problem in physics: the value of G. The Newtonian constant of gravitation, used to calculate the attractive force of gravity between objects, is more than ...

dateOct 28, 2014 in General Physics
shares0 comments 24