Physics news

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 ...

Oct 28, 2014
4.9 / 5 (25) 25

Thermodiffusion in weightlessness

Thermodiffusion, also called the Soret effect, is a mechanism by which an imposed temperature difference establishes a concentration difference within a mixture. Two studies by Belgian scientists from the ...

Oct 27, 2014
3.2 / 5 (5) 1