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How do you cut a nanotube? Lots of compression (w/ Video)

A pipefitter knows how to make an exact cut on a metal rod. But it's far harder to imagine getting a precise cut on a carbon nanotube, with a diameter 1/50,000th the thickness of a human hair.

Nanotechnology / Nanomaterials

created Dec 17, 2010 | popularity 5 / 5 (4) | comments 2 | with audio podcast

Using new materials to make more reliable nanoelectromechanical systems

Given their outstanding mechanical and electrical properties, carbon nanotubes are attractive building blocks for next-generation nanoelectromechanical devices, including high-performance sensors, logic devices, and memory ...

Nanotechnology / Nanomaterials

created Dec 07, 2010 | popularity not rated yet | comments 0 | with audio podcast

Pure nanotube-type growth edges toward the possible

New research at Rice University could ultimately show scientists the way to make batches of nanotubes of a single type.

Nanotechnology / Nanophysics

created Dec 06, 2010 | popularity 5 / 5 (6) | comments 1 | with audio podcast

New nanotube material stays rubbery over a more than 1,000 degree temperature range

(PhysOrg.com) -- Silicone rubber is used in many applications in which a material is required to remain rubbery over a wide temperature range, since it retains its properties over the approximate range of ...

Nanotechnology / Nanomaterials

created Dec 06, 2010 | popularity 4.8 / 5 (11) | comments 6 | with audio podcast report

NASA engineers develop 'blacker than black' nanotubes (w/ Video)

(PhysOrg.com) -- Black is black, right? Not so, according to a team of NASA engineers now developing a blacker-than pitch material that will help scientists gather hard-to-obtain scientific measurements or ...

Nanotechnology / Nanomaterials

created Dec 03, 2010 | popularity 4.6 / 5 (17) | comments 3 | with audio podcast

Secrets of nanohair adhesion un-peeled by UA polymer scientists

Not long after Dr. Ali Dhinojwala, chairman of The University of Akron Department of Polymer Science, unpeeled the secret (fine, clingy hairs) behind the remarkable adhesion of gecko feet, he and fellow researchers ...

Nanotechnology / Nanomaterials

created Nov 19, 2010 | popularity 5 / 5 (1) | comments 0 | with audio podcast

Risk review suggests that carbon nanotubes be treated, for now, 'as if' hazardous

(PhysOrg.com) -- In a new paper published by the Society for Risk Analysis, a UC Berkeley researcher argues for caution when dealing with carbon nanotubes. Because environmental and health information on carbon nanotubes ...

Nanotechnology / Nanomaterials

created Nov 18, 2010 | popularity 4.5 / 5 (2) | comments 1

Nanotechnology: A dead end for plant cells?

Using particles that are 1/100,000 the width of a human hair to deliver drugs to cells or assist plants in fighting off pests may sound like something out of a science fiction movie, but these scenarios may be a common occurrence ...

Nanotechnology / Bio & Medicine

created Nov 16, 2010 | popularity 4.5 / 5 (2) | comments 0 | with audio podcast

A greener way to grow carbon nanotubes

Given their size, strength and electrical properties, carbon nanotubes — tiny, hollow cylinders made of carbon atoms — hold promise for a range of applications in electronics, medicine and other ...

Nanotechnology / Nanomaterials

created Nov 10, 2010 | popularity 4.6 / 5 (5) | comments 0 | with audio podcast

Going nature one better: Researchers learn biology's secrets for making tough, resilient materials

Nature has one very big advantage over any human research team: plenty of time. Billions of years, in fact. And over all that time, it has produced some truly amazing materials — using weak building blocks ...

Nanotechnology / Nanomaterials

created Oct 22, 2010 | popularity 4.8 / 5 (16) | comments 2 | with audio podcast

Nanotube thermopower: Efforts to store energy in carbon nanotubes described

When weighing options for energy storage, different factors can be important, such as energy density or power density, depending on the circumstances. Generally batteries -- which store energy by separating chemicals -- ...

Nanotechnology / Nanomaterials

created Oct 20, 2010 | popularity 3 / 5 (1) | comments 0

Bouncing water droplets reveal small-scale beauty (w/ Video)

In the video below, scientists have captured the simple movements of water droplets on a superhydrophobic carbon nanotube surface. The video shows the water droplets as they bounce, slide, and roll across ...

Nanotechnology / Nanophysics

created Oct 14, 2010 | popularity 5 / 5 (15) | comments 4 | with audio podcast weblog

Electrified nano filter promises to cut costs for clean drinking water

With almost one billion people lacking access to clean, safe drinking water, scientists are reporting development and successful initial tests of an inexpensive new filtering technology that kills up to 98 percent of disease-causing ...

Nanotechnology / Bio & Medicine

created Oct 13, 2010 | popularity 5 / 5 (7) | comments 0

'Express lanes' for ions: By aligning carbon nanotubes in electrodes, researchers boost performance

Actuators are devices that convert electrical energy into mechanical energy, such as the battery-powered device inside a cell phone that causes the phone to vibrate. When this process is reversed -- when a ...

Nanotechnology / Nanomaterials

created Oct 08, 2010 | popularity 4.5 / 5 (2) | comments 3 | with audio podcast

The effects of hydrogen on growing carbon nanotubes

Carbon nanotubes -- long, hollow cylinders of carbon billionths of a meter in diameter -- have many potential uses in nanotechnology, optics, electronics, and many other fields. The exact properties of nanotubes depend on ...

Nanotechnology / Nanophysics

created Oct 05, 2010 | popularity not rated yet | comments 0