The cloud chamber may no longer the particle detector of choice (that would be the bubble chamber) but easy to build yourself (in modern or vintage style) and watch cosmic rays in the comfort of your own home.
posted by jessamyn on Oct 1, 2006 - 12 comments

"The Standard Model" of the universe takes a hit.
Score one for string theorists. Scientists at the Brookhaven National Laboratory appear to have discovered a new type of subatomic particle that would disprove the currently accepted model for the nature of space and matter.
posted by Optamystic on Feb 9, 2001 - 3 comments