Originally Posted By: http://phys.org/news/2014-07-equivalence-principle-effects-spin-gravity-coupling.html
In the new study, the researchers have for the first time tested the equivalence principle by comparing the gravitational interaction for a bosonic particle to that of a fermionic particle


I must be missing something here; how does that test the equivalence principle?

Last edited by Bill S.; 01/12/15 11:12 PM.
There never was nothing.