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Specifically Sized Gold Nanoparticle Spheres Increase the Sensitivity of a Light-Based Chemical Detector
June 6, 2013 — A sensor that relies on reflected light to analyze biomedical and chemical samples now has greater sensitivity, thanks to a carpet of gold nanoparticles. Scientists have determined the ideal size of ... > full story -
Black Holes Abundant Among the Earliest Stars
June 5, 2013 — By comparing infrared and X-ray background signals across the same stretch of sky, astronomers have discovered evidence of a significant number of black holes that accompanied the first stars in the ... > full story -
'Temporal Cloaking' Could Bring More Secure Optical Communications
June 5, 2013 — Researchers have demonstrated a method for "temporal cloaking" of optical communications, representing a potential tool to thwart would-be eavesdroppers and improve security for ... > full story -
First Observation of Spin Hall Effect in a Quantum Gas Is Step Toward 'Atomtronics'
June 5, 2013 — Researchers have reported the first observation of the spin Hall effect in a Bose-Einstein ... > full story -
Cat's Paw Nebula 'Littered' With Baby Stars
June 5, 2013 — Most skygazers recognize the Orion Nebula, one of the closest stellar nurseries to Earth. Although it makes for great views in backyard telescopes, the Orion Nebula is far from the most prolific ... > full story -
Young Star Suggests Our Sun Was a Feisty Toddler
June 5, 2013 — If you had a time machine that could take you anywhere in the past, what time would you choose? Most people would probably pick the era of the dinosaurs in hopes of spotting a T. rex. But many ... > full story -
Laser-Brightened Cirrus Clouds
June 5, 2013 — Intense laser light pulses increase the brightness of high cirrus clouds. Scientists have been investigating the interactions of laser light and ice clouds using a unique AIDA aerosol and cloud ... > full story -
Giant Planets Offer Help in Faster Research on Material Surfaces
June 5, 2013 — New, fast and accurate algorithm, based on the mathematical formalism used to model processes accompanying interaction of light with gas planet atmospheres, is a major step towards better ... > full story -
Cosmic CSI Team Focuses on Burned-out Stars
June 4, 2013 — Like a CSI unit, a team of astronomers at observatories worldwide has been digging around in the innards of dead stars, collecting evidence on how they died. The Whole Earth Telescope is shedding new ... > full story -
Spintronics Approach Enables New Quantum Technologies
June 4, 2013 — Researchers highlight the power of emerging quantum technologies in two recent articles. New technologies exploit quantum mechanics, the physics that dominates the atomic world, to perform disparate ... > full story
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