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 “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