The idea of physical "constants" changing over time is am interesting one. I think the article missed an important point though. The theory of relativity does not depend on c being a certain value, only on it being the same for every observer. It may turn out that it has changed slowly over time but relativity would hold over small enough time scales where c hadn't changed significally. <day dreaming>Maybe we'll discover that general relativity is a special case of an even more beautiful theory that gives us much more insight into cosmology</day dreaming> Regards, Mike. > I had this sent to me. If true then can we expect more fudging in the guise > of progress/updating/reapraising etc? > Jack Lewis > > > >>SPEED OF LIGHT may have changed recently reports New Scientist.com. Follow >>the link below for the full story: >>http://www.newscientist.com/news/news.jsp?id=ns99996092 > > > The article is not suggesting a rapid or massive change and does not rule > out alternative explanations for the data. However, it is worth keeping an > eye out for further work along this theme.