Electronics
hideElectronics is a branch of science and technology that deals with the flow of electrons through nonmetallic conductors, mainly semiconductors such as silicon. It is distinct from electrical science and technology, which deal with the flow of electrons and other charge carriers through metal conductors such as copper. This distinction started around 1906 with the invention by Lee De Forest of the triode. Until 1950 this field was called "radio technology" because its principal application was the design and theory of radio transmitters, receivers and vacuum tubes.
The study of semiconductor devices and related technology is considered a branch of physics, whereas the design and construction of electronic circuits to solve practical problems come under electronics engineering. This article focuses on engineering aspects of electronics.
For more information about Electronics, read the full article at
Wikipedia.
This text uses material from Wikipedia and is available under the GNU Free Documentation License.
News tagged with electronic devices
Harvesting Energy from Natural Motion: Magnets, Cantilever Capture Wide Range of Frequencies
Oct 28, 2009 |
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(PhysOrg.com) -- By taking advantage of the vagaries of the natural world, Duke University engineers have developed a novel approach that they believe can more efficiently harvest electricity from the motions ...
What Comes After Hard Drives?
Oct 23, 2009 |
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(PhysOrg.com) -- The ability to store and retrieve data is an important component of today's computers, as well as other modern electronic devices such as cell phones, video game consoles, and camcorders. ...
Toshiba launches portable fuel-cell for mobiles
Oct 22, 2009 |
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(PhysOrg.com) -- For people fed up with their mobile telephone or iPod batteries running out, Japan's Toshiba Corp. announced Thursday the launch of a portable fuel-cell that can power up digital gadgets on ...
The Spin Cycle: Nanoresearch could lead to next generation of transistors
Oct 20, 2009 |
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(PhysOrg.com) -- For decades, the transistors inside radios, televisions and other everyday items have transmitted data by controlling the movement of the electron’s charge. Scientists now have discovered ...
Atomtronic transistor and diode could advance quantum computing
Oct 09, 2009 |
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(PhysOrg.com) -- What if atoms could be used to perform the functions currently the province of electronic devices? The goal of atomtronics is to do just that by creating analogues to the common items found in electronic ...
Discovery brings new type of fast computers closer to reality
Sep 27, 2009 |
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Physicists at UC San Diego have successfully created speedy integrated circuits with particles called "excitons" that operate at commercially cold temperatures, bringing the possibility of a new type of extremely ...
Teens, texting and the sleep connection
Sep 23, 2009 |
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Between their crazy schedules and upside-down circadian rhythms, teens always have been somewhat sleep-deprived. Now technology is making it worse. Teens are not just texting, instant-messaging and surfing Facebook all day; ...
Could a paper transistor offer an alternative to silicon?
Sep 22, 2009 |
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(PhysOrg.com) -- As technology advances, scientists look for ways to enhance electronic applications and devices. Indeed, electronics are getting smaller and more diverse. And as this happens, there is an increased requirement ...
Program does impressive file size reductions
Sep 18, 2009 |
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We intuitively understand the value of being able to make things smaller without sacrificing performance. The endeavor produces smaller speakers with bigger sound and a host of portable electronic devices such as digital ...
Schools crack down on teen 'sexting'
Sep 01, 2009 |
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At 19, Melanie Young knows firsthand about the devastating consequences of sexting.
Tighter oversight on border laptop searches
Aug 27, 2009 |
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(AP) -- The Obama administration on Thursday put new restrictions on searches of laptops at U.S. borders to address concerns that federal agents have been rummaging through travelers' personal information.
Oracle says Justice Dept allows $7.4B Sun deal
Aug 20, 2009 |
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(AP) -- Business software maker Oracle Corp. said Thursday it has received the Justice Department's approval to move forward with its $7.4 billion acquisition of former dot-com-era star Sun Microsystems Inc.
Gigabit Powerline Networking offers speedy solutions
Electronics / Consumer & Gadgets
Aug 07, 2009 |
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Although we've always been able to see and hear in "High Definition," we think of that phrase as belonging to the 21st century. High Definition or HD devices such as television sets, Blu-Ray DVD players, digital still and ...
Research breakthrough will lead to more accurate weather forecasts
Space & Earth / Space Exploration
Aug 07, 2009 |
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More accurate global weather forecasts and a better understanding of climate change are in prospect thanks to a breakthrough by engineers at Queen's University Belfast's Institute of Electronics, Communications ...
Texting increases crash risk 23 times: study
Jul 28, 2009 |
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Text messaging behind the wheel increases the risk of a crash or a near crash by 23 times, and is far more dangerous than talking on a cell phone while driving, according to a report released Tuesday.
