Constant Changes

If a constant of nature can vary, then so might laws of physics

10:31am, October 2, 2001

Sometimes it's the tiniest differences that change everything. This summer, astrophysicists reported tantalizing evidence of just such a discrepancy.

Using one of the world's largest telescopes, a team of Australian, British, and U.S. astrophysicists observed clouds of gas in space backlit by beams of radiation from ancient, superpowerful quasars.

This article is available only to subscribing members. Join SSP today or Log in.

More from Science News