Physics and Astronomy News Archive: March 2007

Image: Physicists shine a light, produce startling liquid jet
Physicists shine a light, produce startling liquid jet
Source: UChicago   Posted: 3/27/07
By shining a laser beam through a soapy liquid, scientists produced a long jet of liquid that broke up into droplets after traversing a surprisingly long distance.

Image: Tiny Enceladus Masks Mighty Saturn's Clock
Tiny Enceladus Masks Mighty Saturn's Clock
Source: PPARC   Posted: 3/27/07
New data from NASA's Cassini spacecraft shows how the small moon, Enceladus, is weighing down Saturn's magnetic field so much that the field is rotating slower than the planet.

Image: A Mathematical Solution for Another Dimension
A Mathematical Solution for Another Dimension
Source: NSF   Posted: 3/27/07
Scientists have mapped E8 math group -- a feat numerically akin to the mapping of the human genome -- allowing for breakthroughs in geometry, number theory and the physics of string theory.

Image: Cassini Images Bizarre Hexagon on Saturn
Cassini Images Bizarre Hexagon on Saturn
Source: NASA/JPL   Posted: 3/27/07
An odd, six-sided, honeycomb-shaped feature circling the entire north pole of Saturn has captured the interest of scientists with NASA's Cassini mission.

Image: New form of matter-antimatter transformation observed for first time
New form of matter-antimatter transformation observed for first time
Source: PPARC   Posted: 3/17/07
For the first time, scientists using the BaBar experiment at SLAC have observed the transition of one type of particle, the neutral D-meson, into its antimatter particle - a process known as 'mixing'.

Image: Mars' South Pole Ice Deep and Wide
Mars' South Pole Ice Deep and Wide
Source: NASA   Posted: 3/17/07
New measurements of Mars' south polar region indicate extensive frozen water. The polar region contains enough frozen water to cover the whole planet in a liquid layer approximately 11 meters (36 feet) deep.

Image: A Single-Photon Server with Just One Atom
A Single-Photon Server with Just One Atom
Source: Max Planck Soc.   Posted: 3/17/07
Physicists at Max Planck Institute of Quantum Optics have succeeded in turning a Rubidium atom into a single-photon server.

Image: Ice created in nanoseconds by Sandia’s Z machine
Ice created in nanoseconds by Sandia’s Z machine
Source: Sandia   Posted: 3/17/07
Sandia’s huge Z machine, which generates temperatures hotter than the sun, has turned water to ice in nanoseconds.

Image: Gamma-Ray Burst Challenges Theory
Gamma-Ray Burst Challenges Theory
Source: NASA   Posted: 3/11/07
In a series of landmark observations, NASA's Swift satellite has challenged some of astronomers' fundamental ideas about gamma-ray bursts (GRBs), which are among the most extreme events in our universe.

Image: From Diatoms to Gas Sensors
From Diatoms to Gas Sensors
Source: GaTech   Posted: 3/11/07
The three-dimensional shells of tiny ocean creatures could provide the foundation for novel electronic devices, including efficient gas sensors.

Image: XMM-Newton finds the leader of the Magnificent Seven in a spin
XMM-Newton finds the leader of the Magnificent Seven in a spin
Source: ESA   Posted: 3/11/07
A decade-long mystery has been solved. The brightest member of the so-called 'magnificent seven' has been found to pulsate with a period of seven seconds.

Image: New Coating Is Virtual Black Hole for Reflections
New Coating Is Virtual Black Hole for Reflections
Source: NSF   Posted: 3/11/07
Researchers have created an anti-reflective coating that allows light to travel through it, but lets almost none bounce off its surface.