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'Nanonet' circuits closer to making flexible electronics reality

Jul 23, 2008 | User rating: 4.7 / 5 after 21 vote(s) | pda version

Researchers have overcome a major obstacle in producing transistors from networks of carbon nanotubes, a technology that could make it possible to print circuits on plastic sheets for applications including ...


Hydrogen generation without the carbon footprint

Jul 15, 2008 | User rating: 4.1 / 5 after 30 vote(s) | pda version

A greener, less expensive method to produce hydrogen for fuel may eventually be possible with the help of water, solar energy and nanotube diodes that use the entire spectrum of the sun's energy, according to Penn State researchers. ...


Carbon Nanotube Windmills Powered by 'Electron Wind'

Jul 08, 2008 | User rating: 4.7 / 5 after 63 vote(s) | pda version

Theoretical physicists from Lancaster University in the UK have designed a nanomotor that operates by a novel mechanism: an electron wind.


Engineers show nanotube circuits can be made en masse

Jul 04, 2008 | User rating: 4.7 / 5 after 31 vote(s) | pda version

Most innovations don't go far unless there is a way to turn them into products that are manufacturable on a mass scale. That's why new research on carbon nanotubes, presented June 19 by a group of Stanford electrical engineers, ...


Nanotubes could help study retrovirus transmission between human cells

Jun 26, 2008 | User rating: 4.1 / 5 after 7 vote(s) | pda version

Recent findings by medical researchers indicate that naturally occurring nanotubes may serve as tunnels that protect retroviruses and bacteria in transit from diseased to healthy cells — a fact that may explain why vaccines ...


Nanotubes could aid understanding of retrovirus transmission between human cells

Jun 25, 2008 | User rating: 5 / 5 after 2 vote(s) | pda version

Recent findings by medical researchers indicate that naturally occurring nanotubes may serve as tunnels that protect retroviruses and bacteria in transit from diseased to healthy cells — a fact that may explain ...


Novel memory device is set to rival transistor-switched silicon-based memory

Jun 25, 2008 | User rating: 4.5 / 5 after 23 vote(s) | pda version

Working with an international group of researchers, Professor Gehan Amaratunga has produced a novel memory device which is set to rival transistor-switched silicon-based memory.


Water inside single-walled carbon nanotubes

Jun 25, 2008 | User rating: 3.9 / 5 after 17 vote(s) | pda version

Researchers have identified a signature for water inside single-walled carbon nanotubes, helping them understand how water is structured and how it moves within these tiny channels.


Carbon Nanotubes Compromise the Functions of Certain Protozoa, Study Shows

Jun 18, 2008 | User rating: 4.8 / 5 after 29 vote(s) | pda version

A new study by researchers from the University of Waterloo in Ontario, Canada, hints that carbon nanotubes may be toxic to microorganisms. When cultures of a certain key protozoan, a single-cell organism, ...


Nanotechnology, biomolecules and light unite to 'cook' cancer cells

Jun 16, 2008 | User rating: 4.4 / 5 after 20 vote(s) | pda version

Researchers are testing a new way to kill cancer cells selectively by attaching cancer-seeking antibodies to tiny carbon tubes that heat up when exposed to near-infrared light.


Perfecting a solar cell by adding imperfections

Jun 16, 2008 | User rating: 4.6 / 5 after 37 vote(s) | pda version

Nanotechnology is paving the way toward improved solar cells. New research shows that a film of carbon nanotubes may be able to replace two of the layers normally used in a solar cell, with improved performance at a lower ...


Nanoparticles aid bone growth

Jun 13, 2008 | User rating: 4.4 / 5 after 5 vote(s) | pda version

In the first study of its kind, bioengineers and bioscientists at Rice University and Radboud University in Nijmegen, Netherlands, have shown they can grow denser bone tissue by sprinkling stick-like nanoparticles throughout ...


Carbon Nanotubes as a Single-Photon Source

Jun 12, 2008 | User rating: 4.5 / 5 after 35 vote(s) | pda version

Carbon nanotubes, as true multi-purpose materials, have potential applications in everything from electrical circuits and drug delivery to golf clubs and space elevators. Recently, physicists have investigated ...


Researchers use carbon nanotubes for molecular transport

Jun 09, 2008 | User rating: 4.1 / 5 after 10 vote(s) | pda version

Molecular transport across cellular membranes is essential to many of life's processes, for example electrical signaling in nerves, muscles and synapses.


New detector uses nanotubes to sense deadly gases

Jun 06, 2008 | User rating: 4.4 / 5 after 8 vote(s) | pda version

Using carbon nanotubes, MIT chemical engineers have built the most sensitive electronic detector yet for sensing deadly gases such as the nerve agent sarin.


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