Tech
- Tech
A better test for lung cancer?
A genetic test of cells lining the windpipe can detect lung cancer in smokers.
- Tech
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.
- Tech
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.
- Tech
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.
- Tech
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.
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Making the most of chip fabrication
An advance in the way microelectronic circuit patterns are created may help preserve conventional chip-making methods beyond the currently predicted date of their demise.
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A dim view of biologic and chemical agents
Microscopic gel balls that act as lenses may become the active ingredient of quick-acting sensors for bioagents and chemicals.
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Tiny ticker
Researchers have demonstrated that they can control how frequently a DNA-based nanodevice changes between two forms.
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New View: Speedy microscope takes fuller look at the nanoworld
Action movies of molecules and a better feel for microscopic surfaces could flow from a radically revised version of the atomic-force microscope.
- Tech
Artificial Animalcules
Advances that include the first swimming micromachine and novel designs for similar devices are deepening scientists' understanding of the bizarre world of microscale liquids.
- Tech
Beyond Bar Codes: Tuning up plastic radio labels
Electronic labels made from plastic semiconductors can now pick up and respond to radio signals at a frequency suitable for use on products.
