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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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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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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Toshiba expands family of high-speed, low-voltage MOSFETs with new 60V and 120V devices
Toshiba America Electronic Components (TAEC) today announced that it has expanded its family of low-voltage, high-speed MOSFETs with new, ultra-efficient 60V and 120V devices that will save space and reduce ...
May 10, 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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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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Carbon-consuming life-forms in Antarctica
Lake Bonney in Antarctica is perennially covered in ice. It is exposed to severe environmental stresses, including minimal nutrients, low temperatures, extreme shade, and, during the winter, 24-hour darkness. ...
Apr 23, 2012 |
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Australia bans Chinese company Huawei from Web network
(AP) -- Australia has banned Chinese technology giant Huawei from bidding to help build a nationwide high-speed Internet network due to concern about cyber attacks traced to China.
Mar 27, 2012 |
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UK scientists develop optimum piezoelectric energy harvesters
Scientists working as part of the Metrology for Energy Harvesting Project have developed a new model to deliver the maximum power output for piezoelectric energy harvesters.
Mar 02, 2012 |
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Toshiba announces family of ultra-efficient, high-speed, low voltage MOSFETs
Toshiba today announced a new family of ultra-high-efficiency, high-speed MOSFETs that deliver significant improvements in trade-off characteristics between low on resistance (RDS(ON)) and low input capacitanc ...
Feb 06, 2012 |
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Collective action: Occupied genetic switches hold clues to cells' history
If you wanted to draw your family tree, you could start by searching for people who share your surname. Cells, of course, don't have surnames, but scientists at the European Molecular Biology Laboratory (EMBL) ...
Feb 03, 2012 |
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Light now in sight: Control of a 'blind' neuroreceptor with an optical switch
When nerve cells communicate with one another, specialized receptor molecules on their surfaces play a central role in relaying signals between them. A collaborative venture involving teams of chemists based at Ludwig-Maximilians-Universitat ...
Jan 10, 2012 |
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Development of world’s first functional polymer nanowire fabrication technology by pulsed laser irradiation
Japanese researchers selectively grew polymer nanowires using only irradiation with a pulsed laser, in a region limited to the area of irradiation. They also succeeded in imparting diverse functionalities ...
Nanotechnology / Nanomaterials
Jan 05, 2012 |
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Optogenetics -- Combination switch turns neurons on and off
(PhysOrg.com) -- Flies that display courtship behaviour at the press of a button, worms made to wriggle by remote control: since the dawn of optogenetics, scientists can turn nerve cells on and off using pulses ...
Dec 23, 2011 |
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Protein associated with learning implicated in causing grasshoppers to swarm
New research has found that a protein associated with learning and memory plays an integral role in changing the behaviour of locusts from that of harmless grasshoppers into swarming pests.
Dec 19, 2011 |
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