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Nanotechnology / Physics news 1234

Tiny Brain-Like Transistor Controls Nanobots

March 12, 2008 | User rating: 4.6 / 5 after 87 vote(s) | User comments: 5

For years, researchers have been building tiny nanobots that could one day serve a variety of purposes. But, until now, nanobots couldn't work together.


Carbon Nanotubes Improve Fuel Cells

March 27, 2008 | User rating: 4.2 / 5 after 46 vote(s) | User comments: 5

A group of scientists has created a new, improved fuel-cell electrode that is very lightweight and thin. Composed of a network of single-walled carbon nanotubes, the electrode functions nearly as well as conventional electrodes ...


New Nanowire-Based Memory Could Beef Up Information Storage

July 02, 2008 | User rating: 4.3 / 5 after 55 vote(s) | User comments: 5

Researchers from the University of Pennsylvania have created a type of nanowire-based information storage device that is capable of storing three bit values rather than the usual two—that is, "0," "1," and ...


Big step in tiny technology

August 27, 2008 | User rating: 4.6 / 5 after 43 vote(s) | User comments: 5

(PhysOrg.com) -- A crucial step in developing minuscule structures with application potential in sophisticated sensors, catalysis, and nanoelectronics has been developed by Scottish researchers.


Scientists Solve Problem of Quantum Dot 'Blinking'

January 23, 2008 | User rating: 4.4 / 5 after 28 vote(s) | User comments: 4

Quantum dots—tiny, intense, tunable sources of colorful light—are illuminating new opportunities in biomedical research, cryptography and other fields. But these semiconductor nanocrystals also have a secret ...


Nanowires hold promise for more affordable solar cells

January 25, 2008 | User rating: 4.3 / 5 after 14 vote(s) | User comments: 4

Millions of nearly invisible wires may hold the answer to making solar cells a more affordable source of alternative energy.


Microscope Sees with Nanoscale Resolution

January 28, 2008 | User rating: 4.3 / 5 after 72 vote(s) | User comments: 4

Researchers have recently built an x-ray microscope that has a pixel resolution of just 15 nanometers, allowing scientists to study the properties of materials at the molecular scale and beyond.


The March of the Carbon Nanotubes

March 03, 2008 | User rating: 4.2 / 5 after 17 vote(s) | User comments: 4

Stanford Synchrotron Radiation Laboratory (SSRL) researchers have surpassed by a surprising margin the Department of Energy's goal for storing hydrogen within a unique material called carbon nanotubes. The ...


Graphene used to create world's smallest transistor

April 17, 2008 | User rating: 4.6 / 5 after 50 vote(s) | User comments: 4

Researchers have used the world's thinnest material to create the world's smallest transistor, one atom thick and ten atoms wide.


Nanotechnology paves way for super iPods

April 18, 2008 | User rating: 3.9 / 5 after 50 vote(s) | User comments: 4

A breakthrough by scientists from the University of Glasgow could see the storage capacity of an iPod increase 150,000 times.


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 ...


Physicists Store Images in Vapor

June 23, 2008 | User rating: 4.5 / 5 after 93 vote(s) | User comments: 4

Books are written on solid pieces of paper for an obvious reason: the atoms in a solid don’t move around much, keeping the words and pictures in place for centuries. Trying to store letters and images in a ...


New nano technique significantly boosts boiling efficiency

June 26, 2008 | User rating: 4.1 / 5 after 46 vote(s) | User comments: 4

Whoever penned the old adage "a watched pot never boils" surely never tried to heat up water in a pot lined with copper nanorods.


Researchers report finer lines for microchips: Advance could lead to next-generation computer chips, solar cells

July 08, 2008 | User rating: 4.5 / 5 after 46 vote(s) | User comments: 4

MIT researchers have achieved a significant advance in nanoscale lithographic technology, used in the manufacture of computer chips and other electronic devices, to make finer patterns of lines over larger ...


Nanodisk Codes

December 27, 2007 | User rating: 4 / 5 after 50 vote(s) | User comments: 3

Researchers at Northwestern University have devised a way to use billionth-of-a-meter-sized disks to create codes that could be used to encrypt information, serve as biological labels, and even tag and track ...


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