April 18, 2014signal to background : Is the universe balanced on a pinhead?
New precise measurements of the mass of the top quark bring back the question: Is our universe inherently unstable?
April 17, 2014signal to background : Not just old codgers
During a day of talks at Stanford University, theoretical physicist Leonard Susskind explained “Why I Teach Physics to Old Codgers, and How It Got to Be a YouTube Sensation.”
April 16, 2014letter : Letter to the editor: Oldest light?
Reader Bill Principe raises an interesting question about the headline of a recent symmetry article.
April 15, 2014feature : Ten things you might not know about particle accelerators
From accelerators unexpectedly beneath your feet to a ferret that once cleaned accelerator components, symmetry shares some lesser-known facts about particle accelerators.
April 14, 2014breaking : CERN's LHCb experiment sees exotic particle
An analysis using LHC data verifies the existence of an exotic four-quark hadron.
April 11, 2014breaking : Tufte’s Feynman sculptures come to Fermilab
Edward Tufte, celebrated statistician and master of informational graphics, transforms physics notations into works of art.
April 10, 2014breaking : From quark soup to ordinary matter
Scientists have gained new insight into how matter can change from a hot soup of particles to the matter we know today.
April 08, 2014day in the life : Searching for the holographic universe
Physicist Aaron Chou keeps the Holometer experiment—which looks for a phenomenon whose implications border on the unreal—grounded in the realities of day-to-day operations.
April 07, 2014breaking : Expanding universe measured with precision
The Sloan Digital Sky Survey has made the most precise measurement of the expansion rate of the universe over a period of time, an important step toward understanding dark energy.
April 04, 2014breaking : LHC begins long road to restart
Physicists have begun to reawaken CERN’s accelerator complex, with a goal of having beam ready for the next run of the LHC in early 2015.