But this report is almost 7 years old...... http://www.freedomofinfo.org/current_research/speed_of_light.pdf
sreenivas v.p wrote: > like Marxism , another theory that changed our perception about the world was > Einstein's theory of relativity . It outhrown the newtonian conception of the > world and lead to revolutionary discoveries in the study of the universe . > But was Einstein wrong ? > See the below report . > > SYDNEY -- A team of Australian scientists has proposed that the speed of > light may not be a constant, a revolutionary idea that could unseat one of > the most cherished laws of modern physics -- Einstein's theory of relativity. > The team, led by theoretical physicist Paul Davies of Sydney's Macquarie > University, say it is possible that the speed of light has slowed over > billions of years. > If so, physicists will have to rethink many of their basic ideas about the > laws of the universe. > "That means giving up the theory of relativity and E-mc squared and all that > sort of stuff," Davies told Reuters. > "But of course it doesn't mean we just throw the books in the bin, because > it's in the nature of scientific revolution that the old theories become > incorporated in the new ones." > Davies, and astrophysicists Tamara Davis and Charles Lineweaver from the > University of New South Wales published the proposal in the August 8 edition > of scientific journal Nature. (it also appeared in latest "Scientific > american " magazine ). > The suggestion that the speed of light can change is based on data collected > by UNSW astronomer John Webb, who posed a conundrum when he found that light > from a distant quasar, a star-like object, had absorbed the wrong type of > photons from interstellar clouds on its 12 billion year journey to earth. > Davies said fundamentally Webb's observations meant that the structure of > atoms emitting quasar light was slightly but ever so significantly different > to the structure of atoms in humans. > The discrepancy could only be explained if either the electron charge, or the > speed of light, had changed. > "But two of the cherished laws of the universe are the law that electron > charge shall not change and that the speed of light shall not change, so > whichever way you look at it we're in trouble," Davies said. > To establish which of the two constants might not be that constant after all, > Davies' team resorted to the study of black holes, mysterious astronomical > bodies that suck in stars and other galactic features. > They also applied another dogma of physics, the second law of thermodynamics, > which Davies summarizes as "you can't get something for nothing." > After considering that a change in the electron charge over time would > violate the sacrosanct second law of thermodynamics, they concluded that the > only option was to challenge the constancy of the speed of light. > More study of quasar light is needed in order to validate Webb's > observations, and to back up the proposal that light speed may vary, a theory > Davies stresses represents only the first chink in the armor of the theory of > relativity. > > > Add more friends to your messenger and enjoy! Go to > http://messenger.yahoo.com/invite/ --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Green Youth Movement" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/greenyouth?hl=en-GB -~----------~----~----~----~------~----~------~--~---
