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Nanotechnology / Physics news 1234

Engineers whip up the first long-lived nanoscale bubbles

May 29, 2008 | User rating: 4.6 / 5 after 18 vote(s) | User comments: 1

With the aid of kitchen mixers, engineers at Harvard’s School of Engineering and Applied Sciences (SEAS) have whipped up, for the first time, permanent nanoscale bubbles – bubbles that endure for more than ...


Carbon nanoribbons could make smaller, speedier computer chips

May 27, 2008 | User rating: 4.4 / 5 after 22 vote(s) | User comments: 2

Stanford chemists have developed a new way to make transistors out of carbon nanoribbons. The devices could someday be integrated into high-performance computer chips to increase their speed and generate less ...


Scientists create new nanotube structures

May 27, 2008 | User rating: 3.8 / 5 after 18 vote(s) | No comments yet

Thanks to the rising trend toward miniaturization, carbon nanotubes – which are about 100,000 times thinner than a human hair and possess several unique and very useful properties – have become the choice candidates for use ...


Researchers demonstrate 'avalanche effect' in solar cells

May 26, 2008 | User rating: 4.3 / 5 after 117 vote(s) | User comments: 9

Researchers at TU Delft (Netherlands) and the FOM Foundation for Fundamental Research on Matter have found irrefutable proof that the so-called avalanche effect by electrons occurs in specific, very small ...


Researchers Develop Revolutionary Technology for Nanoscale Assembly at Wafer Level

May 20, 2008 | User rating: 4.5 / 5 after 17 vote(s) | User comments: 2

Researchers at the NSF Nanoscale Science and Engineering Center for High-rate Nanomanufacturing (CHN) at Northeastern University, with partners UMass Lowell and University of New Hampshire, have discovered an innovative technology ...


Public Invited to See Nanosoccer Robots in Action in Pittsburgh

May 14, 2008 | User rating: 4 / 5 after 5 vote(s) | No comments yet

Nanosoccer returns to the field later this month, when the National Institute of Standards and Technology hosts for the second time the world’s most Lilliputian sport. Three student teams will participate ...


Student Innovation Could Improve Data Storage, Magnetic Sensors

May 14, 2008 | User rating: 3.9 / 5 after 20 vote(s) | No comments yet

Paul Morrow has come a long way from his days as an elementary school student, pulling apart his mother’s cassette player. The talented young physicist has developed two innovations that could vastly improve ...


Scientists demonstrate method for integrating nanowire devices directly onto silicon

May 08, 2008 | User rating: 4.1 / 5 after 28 vote(s) | No comments yet

Applied scientists at Harvard University in collaboration with researchers from the German universities of Jena, Gottingen, and Bremen, have developed a new technique for fabricating nanowire photonic and ...


Melting defects could lead to smaller, more powerful microchips

May 04, 2008 | User rating: 4.7 / 5 after 28 vote(s) | No comments yet

As microchips shrink, even tiny defects in the lines, dots and other shapes etched on them become major barriers to performance. Princeton engineers have now found a way to literally melt away such defects, ...


Creating Highly Sought Magnetic Nanoparticles in One Step

May 02, 2008 | User rating: 4 / 5 after 11 vote(s) | No comments yet

Researchers from the University of Minnesota have demonstrated a one-step technique for producing a class of magnetic nanoparticles that could be used in everything from biomedical applications to data storage. ...


Nano-designed transistors with disordered materials, but high performance

May 02, 2008 | User rating: 3.9 / 5 after 13 vote(s) | No comments yet

The Holy Grail for transistor designers has been the requirement to be able to get high performance at reduced costs over very large substrate areas. Transistors on cheap and flexible substrates like glass and plastics are ...


'Nanomechanical Oscillators' Could Lead to New Class of Computers

May 02, 2008 | User rating: 4.2 / 5 after 68 vote(s) | User comments: 13

More than 50 years ago, a graduate student in Japan conceived the “Parametron,” an electrical circuit that could form the basis for digital computers. The concept ultimately fell flat, but recently a pair ...


Spiraling nanotrees offer new twist on growth of nanowires

May 01, 2008 | User rating: 4.5 / 5 after 18 vote(s) | No comments yet

Since scientists first learned to make nanowires, the nano-sized wires just a few millionths of a centimeter thick have taken many forms, including nanobelts, nanocoils and nanoflowers.


Sandia researcher examines the physics of carbon nanotubes

May 01, 2008 | User rating: 4.1 / 5 after 8 vote(s) | No comments yet

Carbon nanotubes, described as the reigning celebrity of the advanced materials world, are all the rage. Recently researchers at Rice University and Rensselaer Polytechnic Institute used them to make the “blackest ...


Go Speed Racer! Revving up the world's fastest nanomotors

May 01, 2008 | User rating: 4.5 / 5 after 25 vote(s) | User comments: 4

In a “major step” toward a practical energy source for powering tomorrow’s nanomachines, researchers in Arizona report development of a new generation of sub-microscopic nanomotors that are up to 10 times ...


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