News tagged with switches
Reversible doping: Hydrogen flips switch on vanadium oxide
If you are not a condensed matter physicist, vanadium oxide (VO2) may be the coolest material you've never heard of. It's a metal. It's an insulator. It's a window coating and an optical switch. And thanks ...
May 21, 2012 |
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Two stopped light pulses interact with each other
(Phys.org) -- For the first time, physicists have experimentally demonstrated the interaction of two motionless light pulses. Because the stopped light pulses have a long interaction time, it increases the ...
May 08, 2012 |
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Vertical cavity quantum switch could lead us away from electronics-based computing
(PhysOrg.com) -- Right now, many researchers around the world are working on ways to move away from electronics-dominated computing systems. There are a number of ideas about how this can be accomplished. "We are trying to ...
Jun 30, 2011 |
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Researchers reveal an RNA modification influences thousands of genes
Over the past decade, research in the field of epigenetics has revealed that chemically modified bases are abundant components of the human genome and has forced us to abandon the notion we've had since high school genetics ...
May 17, 2012 |
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Oil-based color pixels could let you watch videos on e-paper
(PhysOrg.com) -- By rapidly manipulating colored oil droplets stacked on top of each other, a new electrowetting (EW) technique could lead to the development of electronic paper displays that can produce high-resolution ...
Jul 26, 2010 |
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Engineers at Yale develop new type of mechanical memory
(PhysOrg.com) -- Research engineers at Yale University have succeeded in building a mechanical memory switch that is controlled and then read by lasers. In their paper published in Nature Nanotechnology, the te ...
Oct 25, 2011 |
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Researchers use light to switch on gene expression
Imagine being able to control genetic expression by flipping a light switch. Researchers at North Carolina State University are using light-activated molecules to turn gene expression on and off. Their method enables greater ...
May 10, 2012 |
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Single molecule can shift the phase of a laser beam
(PhysOrg.com) -- The ability to control light forms the basis of many technologies, from microscopy to optical computing. Now, a team of scientists from ETH in Zurich, Switzerland, has demonstrated that a ...
Sep 06, 2011 |
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Shocking: Environmental chemistry affects ferroelectric film polarity the same way electric voltage does
(PhysOrg.com) -- “Ferroelectric materials are interesting scientifically, and, while they are used for some things now, they are potentially useful for even more applications in the future,” Brian Stephenson tells PhysOrg.com. Stephe ...
Feb 02, 2009 |
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An Internet 100 times as fast: A new network design could boost capacity
(PhysOrg.com) -- The heart of the Internet is a network of high-capacity optical fibers that spans continents. But while optical signals transmit information much more efficiently than electrical signals, ...
Technology / Computer Sciences
Jun 28, 2010 |
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Before animals first walked on land, fish carried gene program for limbs
Genetic instructions for developing limbs and digits were present in primitive fish millions of years before their descendants first crawled on to land, researchers have discovered.
Jul 11, 2011 |
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A mystery solved: How genes are selectively silenced
Cells read only those genes which are needed at a given moment, while the others are chemically labeled and, thus, selectively turned off. Scientists at the German Cancer Research Center have now been the first to discover ...
Oct 18, 2010 |
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NIST Develops 'Dimmer Switch' for Superconducting Quantum Computing
(PhysOrg.com) -- Scientists at the National Institute of Standards and Technology have developed the first “dimmer switch” for a superconducting circuit linking a quantum bit (qubit) and a quantum bus—promising ...
Apr 27, 2010 |
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Handheld probe shows promise for oral cancer detection
A team of American researchers have created a portable, miniature microscope in the hope of reducing the time taken to diagnose oral cancer.
Apr 26, 2012 |
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Magnetic switching under pressure
(PhysOrg.com) -- A material’s properties are a critical factor in the way that material can be used for practical applications. Magnetism is one such property, and magnetic switches are key components ...
Dec 03, 2010 |
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