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Physics and Astronomy News Archive: November 2007

Image: NASA Scientist Confirms Light Show on Venus
NASA Scientist Confirms Light Show on Venus
Source: NASA/JPL   Posted: 11/28/07
Venus is a hellish place of high temperatures and crushing air pressure. The ESA Venus Express mission adds into this mix the first confirmation that the Venusian atmosphere generates its own lightning.

Image: The World's Smallest Double Slit Experiment: Breaking up the Hydrogen Molecule
The World's Smallest Double Slit Experiment: Breaking up the Hydrogen Molecule
Source: LBL   Posted: 11/28/07
Researchers have now established that quantum particles start behaving in a classical way on a scale as small as a single hydrogen molecule.

Image: ‘High Q’ Nanowires May be Practical Oscillators
‘High Q’ Nanowires May be Practical Oscillators
Source: NIST   Posted: 11/28/07
New research suggests that High-Q nanowires might be used as oscillators in nano-electromechanical systems for future nano-sensors and communications devices.

Image: First Observation of ‘Persistent Flow’ in a Gas
First Observation of ‘Persistent Flow’ in a Gas
Source: NIST   Posted: 11/28/07
Using laser light to stir an ultracold gas of atoms, researchers a have demonstrated the first 'persistent' current in an ultracold atomic gas —a frictionless flow of particles.

Image: Single Nanotube Makes World's Smallest Radio
Single Nanotube Makes World's Smallest Radio
Source: Berkeley   Posted: 11/5/07
Physicists at the UC Berkeley, have built the smallest radio yet - a single carbon nanotube one ten-thousandth the diameter of a human hair that requires only a battery and earphones to tune in to your favorite station.

Image: Mars Express Probes Red Planet's Unusual Deposits
Mars Express Probes Red Planet's Unusual Deposits
Source: JPL/NASA   Posted: 11/5/07
The radar system on the European Space Agency's Mars Express orbiter has uncovered new details about some of the most mysterious deposits on Mars: the Medusae Fossae Formation.

Image: Massive Black Hole Smashes Record
Massive Black Hole Smashes Record
Source: NASA   Posted: 11/5/07
Astronomers have discovered the heftiest known black hole to orbit a star. The new black hole, with a mass 24 to 33 times that of our Sun, is more massive than scientists expected for a black hole that formed from a dying star.

Image: ASU Study Depicts Earth As Living Organism
ASU Study Depicts Earth As Living Organism
Source: ASU   Posted: 11/5/07
Seismologists recently have recast their understanding of the inner workings of Earth from a relatively benign homogeneous environment to one that is highly dynamic and chemically diverse.






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Science Quote

'The difference between what the most and the least learned people know is inexpressibly trivial in relation to that which is unknown.'

Albert Einstein
(1879-1955)





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