(AP) -- The company behind the magicJack, the cheap Internet phone gadget heavily promoted on TV, has made a new version of the device that allows free calls from cell phones in the home.
Telecom
Jan 8, 2010
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Accelerators are far from achieving the highest energies their builders aspire to, but size and cost may limit the kinds of facilities funding agencies can support. In the future, new kinds of machines will be needed to make ...
General Physics
Dec 22, 2009
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(PhysOrg.com) -- University of Wisconsin-Madison researchers have achieved a nanoscale laser structure they anticipate will produce semiconductor lasers in the next two years that are more than twice as efficient as current ...
General Physics
Dec 14, 2009
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Boston College researchers have observed the "hot electron" effect in a solar cell for the first time and successfully harvested the elusive charges using ultra-thin solar cells, opening a potential avenue to improved solar ...
General Physics
Dec 11, 2009
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(PhysOrg.com) -- Researchers have used lasers to create the first practical macroscopic yarns from boron nitride fibers, opening the door for an array of applications, from radiation-shielded spacecraft to stronger body armor, ...
Nanomaterials
Dec 2, 2009
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(PhysOrg.com) -- Researchers from the NSLS and Science Applications International Corporation (SAIC) have demonstrated a technique that could be used to significantly improve the quantity and quality of light produced from ...
General Physics
Nov 20, 2009
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The practice of sterilizing medical tools and devices helped revolutionize health care in the 19th century because it dramatically reduced infections associated with surgery. Through the years, numerous ways of sterilization ...
General Physics
Nov 9, 2009
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(PhysOrg.com) -- A team of physicists from the Stanford Synchrotron Radiation Lightsource, including graduate student David Bernstein, have made a promising discovery that a well-known synchrotron technique is applicable ...
General Physics
Oct 12, 2009
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(PhysOrg.com) -- John Spence, a physicist at Arizona State University, is a longtime user of the Advanced Light Source at Lawrence Berkeley National Laboratory, where he has contributed to major advances in lensless imaging. ...
General Physics
Aug 4, 2009
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The eBook Store from Sony, together with Google, today announced it is providing access to more than 1 million free public domain books - from classics such as Robert Louis Stevenson’s Treasure Island to biographies, historical ...
Consumer & Gadgets
Jul 29, 2009
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