Physicists create millimeter-sized 'Bohr atom'

User rating: 4.5 / 5 after 61 vote(s)

Using laser beams and electric fields Rice physicists coaxed a point-like quotlocalizedquot electron to orbit far from the nucleus of a potassium atom. Credit: Jeff MestayerRice University
Using laser beams and electric fields, Rice physicists coaxed a point-like, "localized" electron to orbit far from the nucleus of a potassium atom. Credit: Jeff Mestayer/Rice University

Nearly a century after Danish physicist Niels Bohr offered his planet-like model of the hydrogen atom, a Rice University-led team of physicists has created giant, millimeter-sized atoms that resemble it more closely than any other experimental realization yet achieved.


Full story »
All News summaries from Physics news
All News summaries for July 01, 2008

Dark matter, new planets could bring physics Nobel

6 hours ago | User rating: not rated yet
(AP) -- Scientists who have pursued dark matter, hunted for undiscovered planets and advanced nanotechnology were being touted Monday as candidates for the 2008 Nobel Prize in physics.

Bad connection caused atom smasher shutdown

6 hours ago | User rating: not rated yet
(AP) -- A bad electrical connection likely caused the malfunction that sidelined the world's largest atom smasher days after it was launched with great fanfare, a senior scientist said Monday.

Surface tension drives segregation within cell mixtures

Oct 06, 2008 | User rating: not rated yet
What does a mixture of two different kinds of cells have in common with a mixture of oil and water? The same basic force causes both mixtures to separate into two distinct regions.

Fuzziness on the road to physics' grand unification theory

Oct 06, 2008 | User rating: not rated yet
Leave it to hypothesized gravity to weigh down what physicists have thought for 30 years. If theoretical physicists, led by the University of Oregon's Stephen Hsu, are right, the idea that nature's forces ...

In quantum channels, zero plus zero can equal non-zero

Oct 06, 2008 | User rating: not rated yet
(PhysOrg.com) -- Physicists have discovered a strange characteristic of quantum communication channels. If two quantum channels each have a transmission capacity of zero, they may still have a nonzero capacity ...
Goto Archive PhysOrg Forum Goto Archive Video Goto Archive Editorials Goto Archive Free Magazines Goto Archive Newsletter

News Archive