资讯

A newly measured value of an electron’s magnetic moment 1 — a property of its spin and charge — is twice as precise as the one physicists have used for the past 14 years.. The electron ...
The value they measured was 0.0719, give or take 0.0045, according to the paper published in Nature. But you’re probably more interested in what the weak charge actually is.
Finding hidden value in high-precision manufacturing. 27 Mar 2008. There are several common misconceptions surrounding high-precision manufacturing. Jacqueline Hewett speaks to John Stack and David ...