Physics news

How foamy is spacetime?

Maybe not as foamy as some scientists thought, as a fresh look at a quasar first observed in 1998 by the Hubble Space Telescope (HST) shows. Physicists observed a diffraction pattern called an Airy ring around ...

Feb 10, 2006 4.8 / 5 (101) 1 feature

Information Storage in Three Dimensions

For the first time, researchers have successfully turned a glass material into three-dimensional information storage using a light-based technique. This achievement may be a big step forward for the real-life implementation ...

Mar 18, 2008 4.5 / 5 (107) 5 feature

Do classical laws arise from quantum laws?

“The physics community is mostly divided into two groups,” Johannes Kofler tells PhysOrg.com. “One group believes that quantum theory is underlying the classical world, and that classical physics comes from the quantu ...

Nov 12, 2007 4.5 / 5 (105) 12 feature

The New New Math of String Theory

At the beginning of the last century, Albert Einstein posited a now famous theory that forever linked geometry and fundamental physics. According to general relativity, spacetime is curved, and that curvature ...

Jun 20, 2006 3.5 / 5 (132) 2