(PhysOrg.com) -- Researchers from the NIST Center for Nanoscale Science and Technology and the University of British Columbia have shown that the interaction between a light pulse and a light-absorbing object, including the momentum transfer and resulting movement of the object, can be calculated for any positive index of refraction using a few, well-established physical principles combined with a new model for mass transfer from light to matter.
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Feed SubscriptionIs It Time to Overhaul the Calendar?
Forget leap years, months with 28 days and your birthday falling on a different day of the week each year. Researchers at Johns Hopkins University in Maryland say they have a better way to mark time : a new calendar in which every year is identical to the one before. [More]
Read More »Bone-Rattling Sound: New Speakers That Are Made From Bone
Bones have amazing electrical conductivity properties and, as one artist recently found out, can vibrate at the right frequencies to make a lovely macabre speaker set. Turned on its head, bone's response to physical stress can be used to produce music---or at least musical tones. That's what artist Boo Chapple discovered during the course of a year-long collaboration at the University of Western Australia's SymbioticA lab , the only research facility in the world devoted to providing access to wet labs to artists and artistically minded researchers.When Chapple began this project, she knew that extensive scientific literature suggested bone had what are known as piezoelectric properties
Read More »Magnetic Sense Shows Many Animals the Way to Go (preview)
For what must have felt like an interminable six months back in 2007, Sabine Begall spent her evenings at her computer, staring at photographs of grazing cattle. She would download a satellite image of a cattle range from Google Earth, tag the cows one by one, then pull up the next image.
Read More »‘Reversing the problem’ clarifies molecular structure
Optical techniques enable us to examine single molecules, but do we really understand what we are seeing? After all, the fuzziness caused by effects such as light interference makes these images very difficult to interpret.
Read More »Ten Questions Every Game Changer Must Answer
We kick off our Leadership Hall of Fame , a year-long look at the top business books and authors, with an excerpt from Practically Radical , written by Fast Company magazine cofounder William C. Taylor .
Read More »Flipping an egg carton of light traps giant atoms
(PhysOrg.com) -- In an egg carton of laser light, University of Michigan physicists can trap giant Rydberg atoms with up to 90 percent efficiency, an achievement that could advance quantum computing and terahertz imaging, among other applications.
Read More »How I Navigated My First Hire
I'm hiring a college intern for the winter break. So I mapped out a plan to make it worthwhile for my start-up--and for her. I have some public relations needs for FamiliesGo! that I haven't been able to get to and I'm not ready to pay a professional PR firm
Read More »The Guppy Project is not wasteful, Sen. Coburn.
Senator Tom Coburn (R-OK) has a degree in medicine, so I would expect that he’s had some rudimentary biology education at some point in his life.
Read More »Engineer guest authors PNAS commentary on directing colloidal assembly
The University of Delaware's Eric M. Furst authored a commentary in the Proceedings of the National Academy of Sciences (PNAS) advance online edition Dec.
Read More »cb(3P): New particle at the Large Hadron Collider discovered by ATLAS experiment
(PhysOrg.com) -- Researchers from the University of Birmingham and Lancaster University, analysing data taken by the ATLAS experiment, have been at the centre of what is believed to be the first clear observation of a new particle at the Large Hadron Collider. The research is published today on the online repository arXiv.
Read More »Beyond the Light Switch Wins 2012 Alfred I. duPont-Columbia University Award
Beyond the Light Switch , a Detroit Public Television two-part documentary hosted by Scientific American Associate Editor David Biello, has been awarded a Silver Baton 2012 Alfred I.
Read More »Make Your Company Culture Go The Distance
With offices and virtual employees scattered across the U.S., here's how SCVNGR and LevelUp keep connected, and stay cool. Fun and games course through the heart of the SCVNGR company culture
Read More »NIST sensor improvement brings analysis method into mainstream
(PhysOrg.com) -- An advance in sensor design by researchers at the National Institute of Standards and Technology and the University of Waterloo's Institute of Quantum Computing (IQC) could unshackle a powerful, yet high-maintenance technique for exploring materials. The achievement could expand the techniquecalled neutron interferometryfrom a test of quantum mechanics to a tool for industry as well.
Read More »Does This Animal Live Unusually Long? [Slide Show]
Steven Austad , of the Barshop Institute for Longevity and Aging Studies, at the University of Texas Health Science Center at San Antonio, has applied the longevity quotient--which he developed--to many species, including those depicted here.
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