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Physics and Astronomy News Archive: September 2005

Image: Hurricanes Are Getting Stronger, Study Says
Hurricanes Are Getting Stronger, Study Says
Source: UCar   Posted: 9/20/05
The number of Category 4 and 5 hurricanes worldwide has nearly doubled over the past 35 years, even though the total number of hurricanes has dropped since the 1990s, according to a study.

Image: Spin Structure of Protons and Neutrons
Spin Structure of Protons and Neutrons
Source: JLab   Posted: 9/20/05
A new theoretical calculation reveals that the spins of quarks may be modified by the environment of the protons and neutrons.

Image: How We'll Get Back to the Moon
How We'll Get Back to the Moon
Source: NASA   Posted: 9/20/05
Before the end of the next decade, NASA astronauts will again explore the surface of the moon. And this time, we're going to stay, building outposts and paving the way for eventual journeys to Mars and beyond.

Image: Spacecraft Pick up Earthly Aurora
Spacecraft Pick up Earthly Aurora
Source: NASA   Posted: 9/20/05
A spectacular UV view of the aurora australis (Southern lights) was taken by the Imager for Magnetopause-to-Aurora Global Exploration (IMAGE) spacecraft on Sept. 11.

Image: Gamma-Ray Burst Smashes a Record
Gamma-Ray Burst Smashes a Record
Source: NSF   Posted: 9/14/05
Astronomers have used a close collaboration between space-based and ground-based telescopes to detect the most distant cosmic explosion yet seen: a gamma-ray burst from the edge of the visible universe.

Image: Superlattice Nanobelts
Superlattice Nanobelts
Source: Gatech   Posted: 9/14/05
A previously-unknown zinc oxide nanostructure that resembles the helical configuration of DNA could provide engineers with a new building block for creating nanometer-scale sensors, transducers, resonators and other devices that rely on electromechanical coupling.

Image: Novel Material May Demonstrate  Long-Sought 'Liquid' Magnetic State
Novel Material May Demonstrate Long-Sought 'Liquid' Magnetic State
Source: NIST   Posted: 9/14/05
A novel material that may demonstrate a highly unusual 'liquid' magnetic state at extremely low temperatures has been discovered by a team of Japanese and U.S. researchers.

Image:  Bose-Einstein condensate runs circles around magnetic trap
Bose-Einstein condensate runs circles around magnetic trap
Source: UCBerkeley   Posted: 9/14/05
Physicists at the University of California, Berkeley, have the universe's coldest substance running in circles.



Science Quote

'We should take care not to make intellect our god; it has powerful muscles but no personality.'

Albert Einstein
(1879-1955)


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