Physics and Astronomy News Archive: May 2007

Image: Atom Interferometry Displays New Quantum Tricks

Atom Interferometry Displays New Quantum Tricks

Source: NIST   Posted: 5/27/07

Physicists have demonstrated a novel way of making atoms interfere with each other, recreating a famous experiment originally done with light while also making the atoms do things that light just won’t do.

Image: Scientists Pioneer Technique for 'Weighing' Black Holes

Scientists Pioneer Technique for 'Weighing' Black Holes

Source: NASA   Posted: 5/27/07

Astrophysicists at NASA have successfully tested a new method for determining the masses of black holes.

Image: Adaptive Optics Leads The Way To Supermassive Black Holes

Adaptive Optics Leads The Way To Supermassive Black Holes

Source: LLNL   Posted: 5/27/07

Astronomers have discovered the exact location and makeup of a pair of supermassive black holes at the center of a collision of two galaxies more than 300 million light years away.

Image: Moon-Based Observatories Proposed

Moon-Based Observatories Proposed

Source: UMich   Posted: 5/27/07

Is our Moon the ideal location for a network of observatories dedicated to studying climate change on Earth?

Image: The Longest Carbon Nanotubes You've Ever Seen

The Longest Carbon Nanotubes You've Ever Seen

Source: NSF   Posted: 5/15/07

Researchers have grown carbon nanotubes that are the longest in the world. While still slightly less than 2 centimeters long, each nanotube is 900,000 times longer than its diameter.

Image: Hubble Finds Ghostly Ring of Dark Matter

Hubble Finds Ghostly Ring of Dark Matter

Source: NASA   Posted: 5/15/07

Astronomers using NASA’s Hubble Space Telescope got a first-hand view of how dark matter behaves during a titanic collision between two galaxy clusters.

Image: Scientists offer fresh view of photosynthesis

Scientists offer fresh view of photosynthesis

Source: ASU   Posted: 5/15/07

Scientist at ASU's Biodesign Institute have come up with a new insight into the mechanism of photosynthesis, which involves the orchestrated movement of proteins on the timescale of a millionth of a millionth of a second.

Image: Cell splits water via sunlight to produce hydrogen

Cell splits water via sunlight to produce hydrogen

Source: Wustl   Posted: 5/15/07

Engineers at Washington University in St. Louis have developed a unique photocatalytic cell that splits water to produce hydrogen and oxygen in water using sunlight and the power of a nanostructured catalyst.

Image: Quantum dot recipe may lead to cheaper solar panels

Quantum dot recipe may lead to cheaper solar panels

Source: Rice   Posted: 5/6/07

Rice University scientists have revealed a breakthrough method for producing molecular specks of semiconductors called quantum dots, a discovery that could clear the way for better, cheaper solar energy panels.

Image: COROT discovers its first exoplanet

COROT discovers its first exoplanet

Source: ESA   Posted: 5/6/07

COROT has provided its first image of a giant planet orbiting another star and the first bit of ‘seismic’ information on a far away, Sun-like star, with unexpected accuracy.

Image: NASA's Mars Rover Finds Evidence of Ancient Volcanic Explosion

NASA's Mars Rover Finds Evidence of Ancient Volcanic Explosion

Source: JPL/NASA   Posted: 5/6/07

NASA's Mars Exploration Rover Spirit has discovered evidence of an ancient volcanic explosion at 'Home Plate,' on Mars.

Image: NASA Antenna Cuts Mercury to Core, Solves 30 Year Mystery

NASA Antenna Cuts Mercury to Core, Solves 30 Year Mystery

Source: JPL/NASA   Posted: 5/6/07

Researchers working with high-precision planetary radars have discovered strong evidence that the planet Mercury has a molten core.