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Technology Research News
February 9, 2005
Lens design promises tight spots A new photonic crystal lens can focus near-field light to a spot one-quarter of the light's wavelength. The device can be used to make smaller, faster computer chips and memory. It could also be used in super-resolution microscopes. mark for My Articles similar articles
Technology Research News
April 23, 2003
Juiced liquid jolts metal into shapes One strategy for constructing microscopic devices is finding ways to make materials assemble themselves. Researchers from Argonne National Laboratory and the Russian Academy of Sciences have found a way to use electricity to drive metal microparticles into patterns. mark for My Articles similar articles
Technology Research News
January 28, 2004
Nanorings promise big memory Researchers have found a way to cause magnetic cobalt nanoparticles to spontaneously assemble into rings that are less than 100 nanometers across. Because the molecule is small, memory made from it could hold a great deal of information. mark for My Articles similar articles
Technology Research News
November 3, 2004
Square Rings Promise Reliable MRAM Researchers are working on magnetic random access memory chips that hold as much data as standard electronic memory chips. The key to a promising design is a nanowire bent into a circle. mark for My Articles similar articles
Technology Research News
April 9, 2003
Liquid crystals go 3D Researchers from Sheffield University in England and the University of Pennsylvania have unlocked some of the secrets of liquid crystals, materials that self-assemble into lattices of geometric shapes that are neither solid nor liquid, but somewhere between. mark for My Articles similar articles
Technology Research News
August 13, 2003
Molecule makes ring rotor Researchers from the University of Edinburgh in Scotland have interlocked large, ring-shaped molecules to make a molecular rotor that moves in only one direction. The molecule could eventually be used as a nanoscale motor or winch. mark for My Articles similar articles
Technology Research News
April 7, 2004
Nano ribbons coil into rings Researchers from the Georgia Institute of Technology have found a way to coax microscopic zinc oxide ribbons to spontaneously coil, slinky-like, into perfect rings. mark for My Articles similar articles
Technology Research News
November 5, 2003
Eric Smalley
Crystal bends light back Being able to bend light backwards is extremely useful. This negative refraction is controversial in physics circles and has only been demonstrated using artificial materials containing metal loops. It turns out that a common natural crystal has harbored this capability all along. mark for My Articles similar articles
Technology Research News
May 18, 2005
Thin Silver Sheet Makes Superlens Researchers have fashioned a superlens from a thin sheet of silver that resolves images as small as 60 nanometers using 365-nanometer light. mark for My Articles similar articles
Technology Research News
February 25, 2004
Nanotube mix makes liquid crystal Carbon nanotubes are rolled-up sheets of carbon atoms that can be as narrow as 0.4 nanometers, or the span of four hydrogen atoms. They have useful electrical and mechanical properties and are a leading player in nanotechnology. mark for My Articles similar articles
Technology Research News
November 19, 2003
Liquid Crystal Tunes Fiber Researchers have combined photonic crystal and liquid crystal to make an optical fiber whose properties can change according to temperature. The combination allows the researchers to change the properties of the light inside the fiber. mark for My Articles similar articles
Technology Research News
March 26, 2003
Hydrogen yields smaller nanowires Researchers from City University of Hong Kong in China have produced silicon wires that are smaller than any made before. mark for My Articles similar articles
Technology Research News
April 23, 2003
Material makes backwards lens Researchers from the University of Toronto have constructed a prototype lens composed of a network of wires and tiny split rings that causes microwaves to have a negative bend, or index of refraction. mark for My Articles similar articles
Chemistry World
February 9, 2012
Laura Howes
Polyrotaxanes zip themselves up Received wisdom tells us that taking 39 chemical components and assembling them into one molecule will only be possible with low yields thanks to entropy. But scientists have managed this with yields of 90%. mark for My Articles similar articles
Chemistry World
September 9, 2009
Lewis Brindley
Daisy-chain polymers bring artificial muscles a step closer American chemists have made molecular 'daisy-chains' containing threaded rings that can be pulled taut or slackened by chemical stimuli. mark for My Articles similar articles
IEEE Spectrum
December 2005
Justin Mullins
Long Shot It sounds too good to be true: high-quality flat lenses that focus light and can be made in sheets and cut to size. That's the promise of a new class of materials with a negative refractive index that bend light in the opposite direction from conventional materials. mark for My Articles similar articles
Chemistry World
August 3, 2011
Simon Hadlington
Liquid Crystals Rearrange to Glow in Three Colours Chemists in Japan have created a luminescent liquid crystal that can switch between three different colours when stimulated with heat and mechanical force. mark for My Articles similar articles
Technology Research News
August 10, 2005
Eric Smalley
Ice transforms chipmaking Spraying water vapor onto cold silicon could be a simple way to make computer chips. The key is etching nanoscale lines into the resulting ice to make microscopic computer circuits. The process is environmentally friendly to boot. mark for My Articles similar articles
Technology Research News
June 1, 2005
Nano LEDs Made Easier Researchers have devised a relatively simple method of making arrays of nanoscale light-emitting diodes. The light-emitting diodes could eventually be used in lasers and in nanoscale lamps used in sensors and microscopes, according to the researchers. mark for My Articles similar articles
Reactive Reports
Issue 33
David Bradley
The Miniature Rotarians Tiny interlocking wheels are the components of a miniscule molecular rotor designed and built by UK chemists. The submicroscopic invention offers a new motor-like component for those hoping to build nanotechnology from the bottom up. mark for My Articles similar articles
Geotimes
July 2004
Jay Chapman
Sliding into Saturn Late Wednesday night, the Cassini-Huygens spacecraft silently slipped through the outermost rings of Saturn and entered into orbit. By early Thursday morning, Cassini began transmitting strikingly elegant close-up images of Saturn's rings. mark for My Articles similar articles
Popular Mechanics
June 2007
Mike Allen
Radio Frequency Car Keys Not Perfect: Car Care Tip Drivers: Slim down your key rings. mark for My Articles similar articles
U.S. CPSC
March 11, 2008
Ellaroo Recalls Infant Sling Carriers Due to Fall Hazard The aluminum rings on the sling carriers can bend or break. This can cause the fabric to slip through the rings and infants to fall out of the carrier. mark for My Articles similar articles
Chemistry World
September 15, 2014
Victoria Richards
A chemical time capsule Inspired by tree rings, scientists have designed a sensing device that records chemical information over time as spatial patterns. mark for My Articles similar articles
Chemistry World
July 20, 2009
Philip Ball
Researchers form first liquid protein Chemists at the University of Bristol, UK and their colleagues, in collaboration with the Max Planck Institute for Colloid and Interface Research in Golm, Germany, have figured out how to convert pure proteins into a liquid state, without any solvent. mark for My Articles similar articles
Technology Research News
October 22, 2003
Process prints nanoparticles Researchers have coaxed tiny particles of gold, silver and carbon to assemble into patterns on silicon wafers over areas as large as a square centimeter by using electrical charge patterns to attract and position the nanoparticles. mark for My Articles similar articles
Chemistry World
July 15, 2013
Caryl Richards
Chemists welcome newest member of nanocarbon family A new family of nanocarbons has emerged with the growth of the first non-planar nanographene. mark for My Articles similar articles
Technology Research News
August 25, 2004
Kimberly Patch
Liquid Crystal IDs Pathogens Liquid crystal is not only the stuff of computer screens and watch displays, it is also how your cell membranes are structured. Combining the similarly structured artificial and biological materials makes a device that detects viruses and toxins. mark for My Articles similar articles
DailyCandy
March 31, 2005
Bling, My Belle Glass beads, semi-precious stones and sterling silver wire are used in creating this collection of one-of-a-kind rings. mark for My Articles similar articles
U.S. CPSC
July 31, 2003
International Playthings Inc. Recall of Toy Stacking Rings The recalled Bobbie Bear Stacking Rings have a blue and orange rounded bottom, two multicolored stacking rings, and an orange plastic bear head topper. Plastic knobs on the rings can detach, posing a choking hazard to young children. mark for My Articles similar articles