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Latest carbon nanotubes Stories

Study Suggests Carbon Nanotubes May Protect DNA From Oxidation
2012-11-15 14:01:10

National Institute of Standards and Technology (NIST) Researchers at the National Institute of Standards and Technology (NIST) have provided evidence in the laboratory that single-wall carbon nanotubes (SWCNTs) may help protect DNA molecules from damage by oxidation. In nature, oxidation is a common chemical process in which a reactive chemical removes electrons from DNA and may increase the chance for mutations in cells. More studies are needed to see if the in vitro protective effect of...

Carbon Nanotubes Cloned To Unlock Their Potential For Use In Electronics
2012-11-14 14:05:35

University of Southern California Using a new method, researchers can now grow carbon nanotube semiconductors of predefined structures, which may pave the way for carbon to be used in future electronics The heart of the computer industry is known as “Silicon Valley” for a reason. Integrated circuit computer chips have been made from silicon since computing´s infancy in the 1960s. Now, thanks to a team of USC researchers, carbon nanotubes may emerge as a contender to...

Low-resistance Connections Aid Multi-walled Carbon Nanotubes For Interconnects
2012-10-31 08:11:12

Georgia Institute of Technology Research News Hybrid electronics Using a new method for precisely controlling the deposition of carbon, researchers have demonstrated a technique for connecting multi-walled carbon nanotubes to the metallic pads of integrated circuits without the high interface resistance produced by traditional fabrication techniques. Based on electron beam-induced deposition (EBID), the work is believed to be the first to connect multiple shells of a multi-walled...

IBM Researchers Demonstrate New Approach To Nanotechnology
2012-10-29 04:04:26

redOrbit Staff & Wire Reports - Your Universe Online Scientists working with one US-based technology giant claim that they have demonstrated a new approach to carbon nanotechnology that could pave the way to much smaller, faster, and more powerful computer chips. IBM announced on Sunday that they had successfully created, for the first time, over 10,000 working transistors using nano-sized carbon tubes, and had also precisely placed and tested them in a single chip using normalized...

Carbon Nanotubes Stretched Using New Technique To Make Stronger Composites
2012-10-15 12:04:56

Researchers from North Carolina State University have developed new techniques for stretching carbon nanotubes (CNT) and using them to create carbon composites that can be used as stronger, lighter materials in everything from airplanes to bicycles. By stretching the CNT material before incorporating it into a composite for use in finished products, the researchers straighten the CNTs in the material, which significantly improves its tensile strength — and enhances the stiffness of...

Nanotube Pencil Can Draw Sensors On Paper
2012-10-10 04:30:05

redOrbit Staff & Wire Reports - Your Universe Online Chemists at MIT have created a customized, carbon nanotube lead that can be used to draw freehand electronic circuits using a conventional, mechanical pencil. A typical pencil lead is fashioned out of graphite -- a form of carbon made up of layers of graphene -- and a clay binder. Whenever a person writes with a graphite pencil, a mixture of tiny graphene flakes and clay are deposited on the paper, leaving behind a mark. In the...

2012-07-09 17:19:27

Rice University study details exactly how nanotubes bend and break What´s 100 times stronger than steel, weighs one-sixth as much and can be snapped like a twig by a tiny air bubble? The answer is a carbon nanotube – and a new study by Rice University scientists details exactly how the much-studied nanomaterials snap when subjected to ultrasonic vibrations in a liquid. “We find that the old saying ℠I will break but not bend´ does not hold at the micro- and...

2012-06-15 11:44:32

Carbon nanotubes represent a significant departure from traditional silicon technologies and offer a promising path to solving the challenge of energy efficiency in computer circuits, but they aren't without challenges. Now, engineers at Stanford have found ways around the challenges to produce the first full-wafer digital logic structures based on carbon nanotubes. Energy efficiency is the most significant challenge standing in the way of continued miniaturization of electronic systems,...

'Unzipped' Carbon Nanotubes May Help Energize Fuel Cells And Batteries
2012-05-28 09:40:09

Multi-walled carbon nanotubes riddled with defects and impurities on the outside could replace some of the expensive platinum catalysts used in fuel cells and metal-air batteries, according to scientists at Stanford University. Their findings are published in the May 27 online edition of the journal Nature Nanotechnology. "Platinum is very expensive and thus impractical for large-scale commercialization," said Hongjie Dai, a professor of chemistry at Stanford and co-author of the study....


Word of the Day
penuche
  • A fudgelike confection of brown sugar, cream or milk, and chopped nuts.
'Penuche' is a variant of 'panocha,' a coarse grade of sugar made in Mexico. 'Panocha' probably comes from the Spanish 'panoja, panocha,' ear of grain.
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