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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. |
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. |
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. |
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. |
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. |
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. |
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. |
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. |
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. |
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. |
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. |
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. |
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. |
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%. |
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. |
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. |
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. |
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. |
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. |
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. |
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. |
Popular Mechanics June 2007 Mike Allen |
Radio Frequency Car Keys Not Perfect: Car Care Tip Drivers: Slim down your key rings. |
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. |
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. |
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. |
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. |
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. |
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. |
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. |
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. |