Physicists are using one of the oldest laws of nature to find the mass of the elusive neutrino.

Radiation is everywhere. The question is: How much?

From The Beacon-News, Feb. 1, 2016: A crowd of at least 2,500 people got the chance to view the facilities as well as exhibits at Fermilab’s Family Open House, which included physics projects offered by students living in neighboring communities including St. Charles, Naperville and Aurora.