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A unique ‘micro-loop mirror’ design may enhance the performance of integrated laser on silicon

Active optical fibers with silicon photonic chips can carry a lot more information for data interconnect than copper cables. Silicon photonics can also be the material of choice for wiring 'lab-on-a-chip' devices — however, the construction of such devices is not without its challenges.

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Rare Spirits Showcased at Wynn Las Vegas

One of the greatest challenges for connoisseurs of limited-edition, super-premium, single-malt whiskies is being able to locate and taste them. And by their very nature, these rarities are difficult to find

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How to Accomplish the Impossible

Genius sometimes just means not realizing that something is impossible. A college student arrived a few minutes late for his final exam in mathematics. The room was quiet, with everyone working hard, and the profes

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Decoding cosmological data could shed light on neutrinos, modified gravity

(PhysOrg.com) -- Today’s most powerful telescopes collect huge amounts of data from the most distant locations of the universe – yet much of the information is simply discarded because it involves small length scales that are difficult to model. In an effort to waste less data from cosmological surveys, a team of scientists has developed a new technique that allows researchers to use otherwise unusable data by "clipping" some of the highest density peaks, which present the greatest challenge to models. This data could provide a way to address some unsolved problems in physics, including estimating the neutrino mass and investigating theories of modified gravity.

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Why Nobel Laureates Are Getting Older

Albert Einstein once commented that “a person who has not made his great contribution to science before the age of 30 will never do so.” This may have been an accurate reflection of physics in his time, but it is no longer the case--for physics or any other field. Benjamin Jones, an expert in innovation at the Kellogg School of Management at Northwestern University, and Bruce Weinberg of Ohio State University analyzed 525 Nobel Prizes awarded in physics, chemistry and medicine between 1900 and 2008. With a few exceptions--notably quantum mechanics discoveries of the 1920s and 1930s--the trend across all fields is toward researchers being older when they produce their greatest work.

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The Case of the Missing Polygamists

The origins of our sexuality is the greatest mystery in human evolution. But could our prime suspect be a case of mistaken identity

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In the Year 9595

Watson is the IBM computer built by David Ferrucci and his team of 25 research scientists tasked with designing an artificial-intelligence (AI) system that can rival human champions at the game of Jeopardy . After beating the greatest Jeopardy champions, Ken Jennings and Brad Rutter, in February 2011, the computer is now being employed in more practical tasks such as answering diagnostic medical questions.

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In the Year 9595

Watson is the IBM computer built by David Ferrucci and his team of 25 research scientists tasked with designing an artificial-intelligence (AI) system that can rival human champions at the game of Jeopardy . After beating the greatest Jeopardy champions, Ken Jennings and Brad Rutter, in February 2011, the computer is now being employed in more practical tasks such as answering diagnostic medical questions. [More]

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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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Time reversal: A simple particle could reveal new physics

(PhysOrg.com) -- A simple atomic nucleus could reveal properties associated with the mysterious phenomenon known as time reversal and lead to an explanation for one of the greatest mysteries of physics: the imbalance of matter and antimatter in the universe.

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