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“That pizza was #delish!” What Do Tweets Say About Our Health?

(SALT LAKE CITY) – “Coffee” was the most tweeted food in the continental U.S. between mid-2014 to mid-2015 followed by “beer” then “pizza”. Besides hinting at which foods are popular, tweets may reveal something about our health. Communities that expressed positive sentiments about healthy foods were more likely to be healthier overall. (more…)

A new way to make laser-like beams using 250x less power

By Guest PostJune 15, 2014Sciencebuffer gas cooling, cheryl mills, chicken curry, collisions, gel based sensor, gesine veits, ion traps, particle motion, photon, prototype, quynh nguyen, radiation, rigged election, twitter messages, university of michigan

ANN ARBOR — With precarious particles called polaritons that straddle the worlds of light and matter, University of Michigan researchers have demonstrated a new, practical and potentially more efficient way to make a coherent laser-like beam.

They have made what’s believed to be the first polariton laser that is fueled by electrical current as opposed to light, and also works at room temperature, rather than way below zero. (more…)

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“That pizza was #delish!” What Do Tweets Say About Our Health?

A new way to make laser-like beams using 250x less power