Tech
- Tech
Rounding out an insect-eye view
A new humanmade version of an insect's compound eye could perform like the real thing.
- Tech
Illuminating Changes
Indoor lighting is undergoing a dramatic metamorphosis toward energy-conserving systems that rely on solid-state technologies.
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Speed Bump: Tip’s tricks sort DNA, write at nanoscale
An atomic-force microscope tip has been transformed into a microinstrument for sorting DNA and depositing nanostructures by means of cleverly applied voltages that propel molecules along the tip's surface.
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Aircraft Photos
The Dryden Flight Research Center is NASA’s center for aeronautical flight research and atmospheric flight operations. The Center’s Web site has an extensive photo collection, which features images of many of the research and experimental aircraft flown at the test facility, from the 1940s to today. Go to: http://www.dfrc.nasa.gov/Gallery/Photo/index.html
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Long-lasting liposomes
A coat of nanoparticles can prevent a popular lab-made capsule from fusing with its neighbors and losing its structure.
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Switch-a-Vision: Electric spectacles could aid aging eyes
A new type of eyeglasses that change their focus in response to electric signals may one day replace bifocals and other types of reading glasses.
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A better test for lung cancer?
A genetic test of cells lining the windpipe can detect lung cancer in smokers.
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Cool Wire: Nanostructure boosts superconductor
The extraordinary performance of a prototype superconductive wire is encouraging superconductivity specialists, even though the prototype is unlikely to be mass-produced.
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Corralling Brownian motion
A new microscope system uses electrically controlled fluid motions to counteract Brownian motion, preventing those random jitters from driving proteins, viruses, and other tiny objects out of the field of view.
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Device rids homes of sounds of rap
Woodpeckers cause millions of dollars of damage to homes and buildings each year, but a battery-operated, sound-activated, spider-shaped device installed beneath a home's eaves can help prevent this avian scourge.
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Viral building blocks
Proteins taken from a spherical virus and combined with pieces of DNA can form tubular nanostructures, researchers report.
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Meddling with Metal: Novel nanocontrol yields chromium rival
A new, nontoxic alloy that might reduce use of toxic chromium springs from a novel way to manipulate crystalline metal structures via precise control of their atomic composition.
