When waves meet, a new single wave is created. This phenomenon is well understood for mechanical waves such as sound, and electro-magnetic waves such as light, and the "interference" of light waves is applied in astronomy, ...
Biochemistry
Jul 20, 2011
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(PhysOrg.com) -- "Secondary" may not sound as important as "primary" but when it comes to the next-generation James Webb Space Telescope a secondary mirror plays a critical role in ensuring the telescope gathers information ...
Space Exploration
Jul 20, 2011
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A collection of atoms in the basement of Small Hall is a million times colder than outer space. It’s one of the coldest spots in the universe, but it’s not cold enough. Yet.
General Physics
Jul 20, 2011
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Researchers are in a race against time to save Queensland's protected groper fish, which are washing up dead along the beaches of Northern Queensland in increasing numbers.
Ecology
Jul 20, 2011
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In honor of the release of the final Harry Potter film, Harry Potter and the Deathly Hallows: Part 2, two Lehigh University economics students decided to investigate what it would cost to attend the prestigious Hogwarts ...
Economics & Business
Jul 20, 2011
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A new book by a Cambridge University academic revisits one of the worst famines in recorded history. The Irish Famine of the 1840s had terrible consequences: 1 million people died and several million left Ireland. Today the ...
Other
Jul 20, 2011
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Understanding how energy can be used efficiently is key to reducing carbon emissions and mitigating future fuel and food shortages. But energy use is only part of the story. The link between resources and final services – ...
Energy & Green Tech
Jul 20, 2011
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Teachers in Los Angeles Unified School District’s charter schools are up to three times more likely to leave their school at year’s end compared with their peers in other LAUSD schools, according to a University ...
Social Sciences
Jul 20, 2011
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(AP) -- Wireless chip-maker Qualcomm Inc.'s results for the latest quarter beat Wall Street's expectations, and its projections for the current quarter are also above analysts' estimates.
Business
Jul 20, 2011
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I've been listening to a lot more music than usual for the past week, including tons of the "guilty pleasure" tunes I hate to admit I adore. I won't get into details, but let's just say that Britney Spears and songs covered ...
Internet
Jul 20, 2011
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