Archive: 06/17/2009

A sonic boom in the world of lasers

It was an idea born out of curiosity in the physics lab, but now a new type of ‘laser’ for generating ultra-high frequency sound waves instead of light has taken a major step towards becoming a unique and highly useful ...

dateJun 17, 2009 in Optics & Photonics
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Senators dig in on massive health care legislation

(AP) -- Eye-popping new cost estimates for President Barack Obama's plan to overhaul the U.S. health care system are forcing majority Democrats to scale back their plans to subsidize coverage for the uninsured.

dateJun 17, 2009 in Health
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