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ZDNet Dictionary Definition
- Electron
- An elementary particle that circles the nucleus of an atom. Electrons are considered to be negatively charged. See wave-particle duality and photon.
- Full Electron Definition >>
ZDNet Resources
- Nanoscale microscope on a chip
- New Scientist recently reported that a UK company is developing a microscope on a chip four times more powerful than the best scanning electron microscopes SEMs available today. The best SEMs have a resolution of 0.05 nanometer. This new one, which will be small enough to fit onto a fingertip,...
- Tags: Microscope, Electron, Scientist, Chip, Scanning Electron Microscope, NFAB, Microscope Body, Nanotechnology, Semiconductors, Emerging Technologies, Hardware, Roland Piquepaille
- Blog posts 2008-06-16
- 3-D images of a virus at half-nanometer resolution
- U.S. researchers have used a new technique named cryo-EM (short for 'Electron cryomicroscopy) to capture images of a virus at a resolution of 4.5 angstroms -- less than half of a nanometer. As said the lead researcher, 'This is the highest resolution ever achieved for a living organism of this...
- Tags: Technique, 3D, Microscope, Electron, Imaging, Image, Virus, Imaging Technique, Cryo-EM, Productivity, Document Management, Enterprise Software, Software, Finance, Managerial Accounting, Roland Piquepaille
- Blog posts 2008-03-06
- Electricity generated by bacteria?
- It will take years before bacteria can generate enough energy to generate electricity for transportation, homes or businesses, but researchers at the University of Minnesota studying bacteria have found a way to convert waste into electricity. They've discovered that riboflavin (also known as vitamin B-2) is responsible for much of...
- Tags: Electron, Bacteria, Shewanella, Web Site Development, Telecom & Utilities, Transportation, Internet, Roland Piquepaille
- Blog posts 2008-03-04
- Taking images of individual atoms in color
- Researchers at Cornell University are using a new kind of scanning transmission electron microscope STEM to take pictures of individual atoms in color for the first time. It seems odd, but 'the current generation of electron microscopes can be thought of as expensive black and white cameras where different atoms...
- Tags: Microscope, Atom, Researcher, Electron, Cornell University, Roland Piquepaille
- Blog posts 2008-02-22
- A light-powered toothbrush?
- Would you like to use a light-powered toothbrush which needs no toothpaste and no batteries? It's already available in Japan and North America and it costs about $30. Its rod contains titanium dioxide that generates a plaque-removing electrochemical reaction. This 'solar' toothbrush of the future 'works by releasing electrons that...
- Tags: Electron, Light, Rod, Soladey, Engineering, Roland Piquepaille
- Blog posts 2007-11-24
- A one-atom thick billiard table
- A team of physicists at the University of California at Riverside UCR have found that graphene, which was isolated experimentally only less than three years ago, and which is a one-atom thick sheet of carbon atoms arranged in hexagonal rings, can act as an atomic-scale billiard table. They found that...
- Tags: Electron, Quantum, Transistor, Electronics, Carbon Atom, Roland Piquepaille
- Blog posts 2007-09-15
- IBM's Art of Invention
- The 'Art of Invention' is the name of an exhibit which opened last week at the U.S. Patent and Trademark Museum in Alexandria, Virginia. This exhibit, which will last one year, is featuring 70 works of art created through inventions, patents and trademarks. Two of these works have been provided...
- Tags: Exhibit, Electron, Corral, Image, IBM Corp., Roland Piquepaille
- Blog posts 2007-08-20
- Photos: Fujitsu unveils king-size fuel cell
- Electronics giant inaugurates 200-kilowatt hydrogen fuel cell that will provide electricity as well as heat to buildings on its Sunnyvale campus.A proton exchange membrane PEM hydrogen fuel cell, king-size. Fujitsu inaugurated this fuel cell at its Sunnyvale, Calif., campus on Friday. The fuel cell sits in the parking lot...
- Tags: Fuel cells, photograph, fuel cell, hydrogen, Fujitsu Ltd., membrane, Amdahl, Fujitsu LifeBook, steam, chair, electron, carbon dioxide, carbon, Sunnyvale, natural gas, electronics company, data center, electronics, Japan, laptop computer
- Image galleries 2007-08-17
- Attosecond X-ray light pulses
- Before going further, do you know what is an attosecond? It's 10-18 second or just a billionth of a billionth of a second. And German researchers have showed that a 'flash of light can be shorter than the time it takes the wave carrying the flash to perform a full...
- Tags: Atom, Electron, Laser, Pulse, Roland Piquepaille
- Blog posts 2007-08-14
- Diamond-based quantum computing
- Quantum computing is usually associated with extremely low temperatures. Now, physicists at Harvard University have shown that diamonds can be used to create stable quantum computing building blocks at room temperature. A nitrogen vacancy in diamond could lead to quantum registers able to store or retrieve data. One of the...
- Tags: Science &, Nature, Engineering &, Innovation, Computers &, Internet
- Blog posts 2007-06-01
- The birth of spinplasmonics
- You might have heard of spintronics, a technology that uses the magnetic quantum properties of the spin of electrons, or plasmonics, another one which 'involves the transfer of light electromagnetic energy into a tiny volume, thus creating intense electric fields.' Now, researchers at the University of Alberta U of A...
- Tags: Engineering &, Innovation, Nanotechnology, Science &, Nature
- Blog posts 2007-05-31
- "Weight" of worldwide VoIP in 2006: 0.008 millionth of an ounce
- I sense the "huh, what is he talking about" from the assembled multitude.No, I am not talking about the weight of all the VoIP equipment in use. I am referring to the weight of all the electrons needed to support the electrical charges on chip capacitor components necessary to carry...
- Tags: Research, Predictions and Observations
- Blog posts 2007-05-20
- Nanowire photodetectors
- According to researchers at the University of California at San Diego UCSD, semiconducting nanowires can be used to build perfect light detectors with single-photon sensitivity. The zinc oxide ZnO nanowires theyve used are ideally suited to develop "new photodetector architectures for sensing, imaging, memory storage, intrachip optical communications and other...
- Tags: Science &, Nature, Nanotechnology, Engineering &, Innovation, Computers &, Internet
- Blog posts 2007-04-29
- Welcome to this new ZDNet blog
- Welcome to this new ZDNet blogThe VT shooter and the issue of gunsI have had this bee in my bonnet for some years now since I had to leave work for my health and to keep myself mentally busy so as not to vegetate too much began to study quantum...
- Tags: Aerospace & Defense, Network technology, blog, microtubule, electron, molecule, phasor, axon, single electron
- Discussion threads 2007-04-19
- Electrons travel like urban commuters
- After 15 years of research, chemists from Duke University have found that electrons travel through proteins like urban commuters. Like ourselves, these electrons usually find their way through proteins by using the fastest routes, the equivalent of the subway for us. And like us, they also used sometimes alternate routes,...
- Tags: electron, Health &, Medicine, protein, Science &, Nature
- Blog posts 2007-02-04
- Another step toward quantum computers
- One day, we might use super fast computers based on quantum physics. But how these computers will read data? An international team from Germany and the U.S. has just shown that its possible to read data stored as nuclear spins. This new way of reading the spin of thousands of...
- Tags: Computers &, Internet, Science &, Nature, Engineering &, Innovation
- Blog posts 2006-11-20
- 'Ballistic' nanotransistors?
- Computer designers at the University of Rochester UR say they've invented the next generation of transistors. In a short article, ZDNet UK writes that these ballistic deflection transistors BDT could lead to terahertz-speed computers. We are far away from real chips manufactured with this technique, but it's interesting to note...
- Tags: electron, transistor
- Blog posts 2006-08-17
- Photos: Transistors powered by single electrons
- Experimental designs of silicon transistors may have applications in low-power nanoelectronics.
- Tags: Semiconductors, transistor, electron
- Image galleries 2006-02-02
- Photos: Transistors powered by single electrons
- Experimental designs of silicon transistors may have applications in low-power nanoelectronics.
- Tags: Semiconductors, transistor, electron
- Image galleries 2006-02-02
- Photos: Transistors powered by single electrons
- Experimental designs of silicon transistors may have applications in low-power nanoelectronics.
- Tags: Semiconductors, transistor, electron
- Image galleries 2006-02-02
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