Carbon nanotube injectors probe living cells without damage

Carbon nanotube injectors probe living cells without damage

Nanotechnology / Bio & Medicine

created Jun 20, 2007 | popularity 4.6 / 5 (56) | comments 0

In order to investigate the processes that go on inside a single human cell—or even specific subcellular compartments—researchers need a device that is small and controlled enough to pass through ...


Stretchable Silicon May Inspire a New Wave of Electronics

Stretchable Silicon May Inspire a New Wave of Electronics

Nanotechnology / Nanomaterials

created Jun 13, 2007 | popularity 4.4 / 5 (67) | comments 0

Scientists have created a form of nanoscale silicon that is stretchable. The new material may help pave the way for a class of stretchable electronic devices, such as “smart” surgical gloves and personal health ...


Scientists Hand-Make Devices Smaller than 10 Nanometers

Scientists Hand-Make Devices Smaller than 10 Nanometers

Nanotechnology / Nanophysics

created Apr 27, 2007 | popularity 4.3 / 5 (42) | comments 0

A research team from the University of Pennsylvania has used an electron beam to hand-carve ultra-small metal structures and devices, all with dimensions below 10 nanometers, from very thin metal sheets. Their ...


Nanoscale 'Coaxial Cables' for Solar Energy Harvesting

Nanoscale 'Coaxial Cables' for Solar Energy Harvesting

Nanotechnology / Nanomaterials

created Apr 23, 2007 | popularity 4.5 / 5 (119) | comments 1

Scientists have designed a new type of nanowire – a tiny coaxial cable – that could vastly improve a few key renewable energy technologies, particularly solar cells, and could even impact other cutting-edge, ...


Nanobubbles exist, and are more stable than previously thought

Nanobubbles exist, and are more stable than previously thought

Nanotechnology / Nanophysics

created Apr 02, 2007 | popularity 4 / 5 (42) | comments 0

When William Ducker, a professor at the University of Melbourne in Australia started experiments on so-called nanobubbles that form as a gas state on the boundary between liquid and gas, he fully expected to ...


New Nanomaterial, 'NanoBuds,' Combines Fullerenes and Nanotubes

New Nanomaterial, 'NanoBuds,' Combines Fullerenes and Nanotubes

Nanotechnology / Nanomaterials

created Mar 30, 2007 | popularity 4.4 / 5 (65) | comments 0

Researchers have created a hybrid carbon nanomaterial that merges single-walled carbon nanotubes and spherical carbon-atom cages called fullerenes. The new structures, dubbed NanoBuds because they resemble ...


Scientists Create First Non-Carbon Material with Near-Diamond Hardness

Nanotechnology / Nanomaterials

created Mar 28, 2007 | popularity 4.5 / 5 (76) | comments 0

Research scientists have created the first non-carbon-based material with a hardness approaching that of diamond. Their work could have a significant impact on technologies and industries that rely on diamond as a cutting ...


Magnetic particles act as ink in new printer

Magnetic particles act as ink in new printer

Nanotechnology / Nanophysics

created Mar 16, 2007 | popularity 4.4 / 5 (45) | comments 0

By using a laser beam to focus and push particles against a substrate, scientist Lars Helseth of Nanyang Technological University in Singapore has designed and built a unique type of colloidal printer. Taking ...


For low-cost DNA nanostructures, recycle sticky ends

For low-cost DNA nanostructures, recycle sticky ends

Nanotechnology / Nanophysics

created Mar 02, 2007 | popularity 4.3 / 5 (34) | comments 0

Scientists from Duke University have recently demonstrated a new method for assembling large, low-cost DNA nanostructures, in part by reusing the “sticky-ends,” the broken DNA strands used to connect the nanostructures. ...


New graphene transistor promises life after death of silicon chip

New graphene transistor promises life after death of silicon chip (Update)

Nanotechnology / Nanomaterials

created Feb 28, 2007 | popularity 4.5 / 5 (117) | comments 0

Researchers have used the world's thinnest material to create the world's smallest transistor – a breakthrough that could spark the development of a new type of super-fast computer chip.


New Organic Gold-Nanoparticle Memory Device

New Organic Gold-Nanoparticle Memory Device

Nanotechnology / Nanophysics

created Feb 14, 2007 | popularity 4 / 5 (48) | comments 0

Researchers have developed a new memory device that uses gold nanoparticles and the organic semiconducting compound pentacene. This novel pairing is a key step forward in the drive to develop organic "plastic" ...


Telescoping nanotubes offer new option for nonvolatile memory

Telescoping nanotubes offer new option for nonvolatile memory

Nanotechnology / Nanophysics

created Feb 06, 2007 | popularity 4.5 / 5 (44) | comments 0

In the midst of a widespread and potentially highly lucrative search for next-generation nonvolatile memory, scientists from the University of California have put to use an interesting characteristic of carbon ...


Super honeycomb shows more potential for carbon nanotubes

Super honeycomb shows more potential for carbon nanotubes

Nanotechnology / Nanophysics

created Jan 19, 2007 | popularity 4.4 / 5 (40) | comments 0

The hexagonal network structure makes these nanotubes look a bit like a honeycomb—or, when stretched a bit, like a hammock or fish net. In fact, the stretchiness of these 20-nm-long carbon nanotubes enables ...


Nature’s frugal glues provide insight for optimized adhesives

Nature’s frugal glues provide insight for optimized adhesives

Nanotechnology / Nanomaterials

created Jan 11, 2007 | popularity 4.2 / 5 (41) | comments 0

In trying to create a “glue” that would hold right up to the breaking point of the material being glued, scientists have found that such an ideal adhesive already exists—in bone, abalone shells, and spider ...


Finding Memory in Nonlinear Ionization

Nanotechnology / Nanophysics

created Jan 08, 2007 | popularity 3.9 / 5 (23) | comments 0

David Rayner and his colleagues at the National Research Council (NRC) of Canada in Ottawa have shown that when transparent solids, such as glass, are ionized with short intense laser pulses the material is subtly changed.