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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.





Science Quote

'The strength and weakness of physicists is that we believe in what we can measure. And if we can't measure it, then we say it probably doesn't exist. And that closes us off to an enormous amount of phenomena that we may not be able to measure because they only happened once. For example, the Big Bang. ... That's one reason why they scoffed at higher dimensions for so many years. Now we realize that there's no alternative... '

Michio Kaku
(1947-)


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