Scientists propose test of string theory based on neutral hydrogen absorption

Ancient light absorbed by neutral hydrogen atoms could be used to test certain predictions of string theory, say cosmologists at the University of Illinois. Making the measurements, however, would require a gigantic array of radio telescopes to be built on Earth, in space or on the moon.

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<p><a href="http://www.physorg.com/news120746536.html">Scientists propose test of string theory based on neutral hydrogen absorption</a></p> <p>Ancient light absorbed by neutral hydrogen atoms could be used to test certain predictions of string theory, say cosmologists at the University of Illinois. Making the measurements, however, would require a gigantic array of radio telescopes to be built on Earth, in space or on the moon.</p>