Physics & Astronomy

Physics & Astronomy

Ultrafast Electrical Switch Achieves 1 Trillionth of a Second Flip

Scientists using SLAC's Linac Coherent Light Source (LCLS) X-ray laser found that it takes only 1 trillionth of a second to flip the on-off electrical switch…

Physics & Astronomy

Molecular Nanoprobe Measures Optical Near-Fields in Nanoantennas

Researchers at the University of Stuttgart measured for the first time optical near-field intensities of three-dimensional nanoantennas. The team of Prof….

Physics & Astronomy

NASA mission involving CU-Boulder discovers particle accelerator in heart of Van Allen radiation belts

The new results from NASA's Van Allen Probes mission show the acceleration energy is in the belts themselves. Local bumps of energy kick particles inside the…

Physics & Astronomy

NASA's IRIS Telescope Offers First Glimpse of Sun's Mysterious Atmosphere

It is a moment of excitement and perhaps even a little uncertainty. On July 17, 2013, the international team of scientists and engineers who supported and…

Physics & Astronomy

NASA’s Hubble: Galaxies, Comets, and Stars! Oh My!

In reality, the comet is much, much closer. The nearest star to the sun is over 60,000 times farther away, and the nearest large galaxy to the Milky Way is…

Physics & Astronomy

NGC 253: New Insights into Star Formation and Galactic Growth

Now, a group of astronomers that includes Fabian Walter from the Max Planck Institute for Astronomy were able to obtain the first detailed images of this type…

Physics & Astronomy

Seeing Photosynthesis from Space: NASA Scientists Use Satellites to Measure Plant Health

Plants grow and thrive through photosynthesis, a process that converts sunlight into energy. During photosynthesis, plants emit what is called fluorescence –…

Physics & Astronomy

Researchers Help Show New Way to Study and Improve Catalytic Reactions

Catalysts are everywhere. They make chemical reactions that normally occur at extremely high temperatures and pressures possible within factories, cars and the…

Physics & Astronomy

How Optical Components Enhance Laser Performance and Reduce Noise

Although it may not be immediately obvious, the mechanical properties of optical components have a significant impact on the performance of lasers employed in…

Physics & Astronomy

Making big 'Schroedinger cats'

Since Erwin Schroedinger's famous 1935 cat thought experiment, physicists around the globe have tried to create large scale systems to test how the rules of…

Physics & Astronomy

Large Coronal Hole Near the Sun’s North Pole

Coronal holes are dark, low density regions of the sun’s outermost atmosphere, the corona. They contain little solar material, have lower temperatures, and…

Physics & Astronomy

SOFIA Studies Unique Celestial Objects from New Zealand

Based at Christchurch, New Zealand for three weeks, SOFIA has started to study celestial objects that are uniquely observable on southern flight routes. On the…

Physics & Astronomy

NASA's Hubble Shows Link Between Stars' Ages and Their Orbits

Researchers led by Harvey Richer of the University of British Columbia in Vancouver combined recent Hubble observations with eight years' worth of data from…

Physics & Astronomy

First Images of Snow Line in Infant Solar System

Astronomers have, for the first time, directly imaged a snow line at another star. Using the new Atacama Larger Millimeter/submillimeter Array (ALMA) telescope…

Physics & Astronomy

How Mars' atmosphere got so thin: New insights from Curiosity

“The beauty of these measurements lies in the fact that these are the first really high-precision measurements of the composition of Mars' atmosphere,” said…

Physics & Astronomy

New Neutrino Transformation Observed at T2K Conference

The picture of the world of the inscrutable neutrinos is getting clearer: today at the European Physical Society meeting in Stockholm, the international T2K…

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