String Theory's Next Top Model

Ernest Rutherford used to tell his physics students that if they couldn't explain a concept to a barmaid, they didn't really understand the concept. With regard to the cosmological implications of string theory, the barmaids and physicists are both struggling—a predicament that SLAC string theorist Shamit Kachru hopes to soon resolve.

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<p><a href="http://www.physorg.com/news112545705.html">String Theory's Next Top Model</a></p> <p>Ernest Rutherford used to tell his physics students that if they couldn't explain a concept to a barmaid, they didn't really understand the concept. With regard to the cosmological implications of string theory, the barmaids and physicists are both struggling—a predicament that SLAC string theorist Shamit Kachru hopes to soon resolve.</p>