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Physics and Astronomy News Archive: February 2005

Image: X-rays have become laser-like
X-rays have become laser-like
Source: Max Planck Society   Posted: 2/23/05
Austrian-German research team demonstrates for the first time a source of coherent kiloelectronvolt X-rays, which promises extraordinary applications.

Image: Devising Nano Vision for an Optical Microscope
Devising Nano Vision for an Optical Microscope
Source: NIST   Posted: 2/11/05
Scientists at NIST suggest that a hybrid version of the optical microscope might be able to image and measure features smaller than 10 nanometers—a tiny fraction of the wavelength of visible light.

Image: New Electronic Technology Advances Fuel Cell Development
New Electronic Technology Advances Fuel Cell Development
Source: DOE   Posted: 2/11/05
Researchers at Virginia Tech developed a highly efficient DC to AC converter. Fuel cell development is expected to benefit.

Image: New Measurement Undermines Physicists’ Theories for Nature’s Hidden ‘Particle-Force’ Collaboration
New Measurement Undermines Physicists’ Theories for Nature’s Hidden ‘Particle-Force’ Collaboration
Source: Rochester   Posted: 2/11/05
The findings suggest there is no connection between the top quark and the weak nuclear force.

Image: Even in heaven, stars can only get so big
Even in heaven, stars can only get so big
Source: UMich   Posted: 2/11/05
New research from the University of Michigan shows that there may be an upper limit to the mass of a star, somewhere around 120 to 200 times bigger than our sun.

Image: Experiments Prove Existence of Atomic Chain ‘Anchors’
Experiments Prove Existence of Atomic Chain ‘Anchors’
Source: NIST   Posted: 2/3/05
Atoms at the ends of self-assembled atomic chains act like anchors with lower energy levels than the “links” in the chain, according to new measurements by NIST physicists.



Science Quote

'Restlessness and discontent are the first necessities of progress.'

Thomas Alva Edison
(1847-1931)


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