Twenty-five years ago this week, NASA held its collective breath as seven astronauts on space shuttle Endeavour caught up with the Hubble Space Telescope 353 miles above Earth.
Neutrino masses are extremely difficult to measure. While we know precisely how much an electron weighs, we have little information on the mass of its neutral partner, the electron neutrino. The same is true of the muon neutrino and tau neutrino.
At a recent symposium honoring former Stanford Linear Accelerator Center Director Jonathan Dorfan, dinner guests were treated to a course of the unexpected.
Physicist Les Cottrell is the meteorologist of Internet weather. His project tests the strength of Internet connections around the worldand finds Africa lagging farther and farther behind.
Jennifer Gimmell's coworkers didn't believe she competitively pumped iron. But as the evidence piled up—including a photo of her pulling a 23,000 pound truck—her fellow physicists had to concede: The strong force had nothing on Gimmell.