How to Shrink a Carbon Nanotube
Nov 30, 2006 |
4.3 / 5 (125) |
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A research group has devised a way to control the diameter of a carbon nanotube – down to essentially zero nanometers. This useful new ability, designed by scientists from the University of California at Berkeley ...
Tiniest modified opals ready to manipulate light flow as photonic crystals
Nov 29, 2006 |
4.1 / 5 (47) |
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One of the most rapidly advancing areas of applied nanotechnology involves photonic crystals. With their ability to control light propagation, photonic crystals are predicted to replace other methods for devices ...
For Better Nanowires, Just Add Diamond
Nanotechnology / Nanomaterials
Nov 15, 2006 |
4.2 / 5 (434) |
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Among the positive characteristics of diamond, such as its beauty and unsurpassed hardness, are less well known properties that make it a valuable material in the electronics industry. Now, according to two scientists at ...
Ancient Hair-Dyeing – A Nanoscience?
Nanotechnology / Nanomaterials
Oct 30, 2006 |
3.6 / 5 (31) |
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Scientists have discovered that an ancient method used to darken hair, dating back more than 4,000 years, is based on a chemical process that takes place at the nanoscale. This may be one of the earliest examples ...
New theory explains enhanced superconductivity in nanowires
Oct 18, 2006 |
4.4 / 5 (42) |
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Superconducting wires are used in magnetic resonance imaging machines, high-speed magnetic-levitation trains, and in sensitive devices that detect variations in the magnetic field of a brain. Eventually, ultra-narrow superconducting ...
Nanocrystals Are Hot
Oct 09, 2006 |
4.3 / 5 (34) |
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Scientists at the Department of Energy's Lawrence Berkeley National Laboratory have discovered that nanocrystals of germanium embedded in silica glass don't melt until the temperature rises almost 200 degrees ...
From Nanowires to Nanotubes
Nanotechnology / Nanomaterials
Sep 28, 2006 |
4.1 / 5 (23) |
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Hollow nanocrystals that can function as highly-efficient catalysers or transport containers for chemical agents are in great demand nowadays. Scientists from the Max Planck Institute of Microstructure Physics ...
Intel, UCSB Develop World's First Hybrid Silicon Laser
Sep 18, 2006 |
3.5 / 5 (85) |
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Researchers from Intel and the University of California, Santa Barbara (UCSB) have built the world’s first electrically powered Hybrid Silicon Laser using standard silicon manufacturing processes. This breakthrough ...
Ferns provide model for tiny motors powered by evaporation
Sep 14, 2006 |
4.3 / 5 (56) |
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Scientists looked to ferns to create a novel energy scavenging device that uses the power of evaporation to move itself -- materials that could provide a method for powering micro and nano devices with just ...
New 'superlens' reveals hidden nanostructures
Sep 14, 2006 |
4.2 / 5 (41) |
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A microscope used to scan nanostructures can be dramatically enhanced by using a 'superlens,' reports an international team of scientists from the Max Planck Institute (MPI) for Biochemistry and The University of Texas at ...
Carbon-Nanotube Toxicity Test Tricks Scientists
Nanotechnology / Bio & Medicine
Sep 05, 2006 |
4.2 / 5 (48) |
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Recent research has revealed that a standard cell-viability test may be causing carbon-nanotubes to “fake” toxicity. This work may explain why some studies have concluded that carbon nanotubes – which are being studied for ...
Physicists invent 'QuIET' - single molecule transistors
Aug 30, 2006 |
4.1 / 5 (137) |
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University of Arizona physicists have discovered how to turn single molecules into working transistors. It's a breakthrough needed to make the next-generation of remarkably tiny, powerful computers that nanotechnologists ...
Nanotube ink: Desktop printing of carbon nanotube patterns
Nanotechnology / Nanomaterials
Aug 30, 2006 |
4.4 / 5 (38) |
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Using an off-the-shelf inkjet printer, a team of scientists has developed a simple technique for printing patterns of carbon nanotubes on paper and plastic surfaces. The method, which is described in the August ...
Nanoscience May Produce 'Perfect' Materials
Nanotechnology / Nanomaterials
Aug 25, 2006 |
4.4 / 5 (55) |
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Nanoscience may provide a way to engineer materials that are virtually defect-free – perfect, that is.
Nanowire arrays can detect signals along individual neurons
Nanotechnology / Bio & Medicine
Aug 24, 2006 |
4.4 / 5 (50) |
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Opening a whole new interface between nanotechnology and neuroscience, scientists at Harvard University have used slender silicon nanowires to detect, stimulate, and inhibit nerve signals along the axons and dendrites of ...
