Archive: 12/17/2012

Nano oscillators synchronized by light

(Phys.org)—Synchronization phenomena are everywhere in the physical world—from circadian rhythms to side-by-side pendulum clocks coupled mechanically through vibrations in the wall. Researchers have now ...

dateDec 17, 2012 in Nanophysics
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Plutonium at 150 years

Planning the future needs of the U.S. nuclear weapons stockpile as well as the nuclear weapons complex depends in part on maintaining confidence in the long-term stability of the pit, or core, of plutonium-239 ...

dateDec 17, 2012 in General Physics
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In-depth survey compares nonvoters to voters

What do nonvoters look like, can they be categorized and why don't they vote? To answer these and other questions, a Northwestern University journalism professor and Ipsos Public Affairs conducted an in-depth post-Election ...

dateDec 17, 2012 in Social Sciences
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Engineering solutions to real-world problems

A BlueVision Web Scraper that populates a database that tracks and evaluates press coverage. A hydrogen fuel-cell vehicle that will race in next year's Shell Eco-marathon Americas competition. A small cell ...

dateDec 17, 2012 in Engineering
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Explained: Graphs

When most people hear the word "graph," an image springs to mind: a pair of perpendicular lines overlaid with a line, a curve, or bars of different heights.

dateDec 17, 2012 in Computer Sciences
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Image: Hubble's 'smoky' shells

(Phys.org)—Located in a relatively vacant region of space about 4,200 light-years away and difficult to see using an amateur telescope, the lonesome planetary nebula NGC 7354 is often overlooked. However, ...

dateDec 17, 2012 in Astronomy
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Bird poo study to help Great Bustards thrive

Move over Gillan McKeith – scientists at the University of Bath are studying the droppings of Great Bustards to help understand their diet and nutrition with the aim of boosting their survival in a conservation ...

dateDec 17, 2012 in Plants & Animals
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