sorry, over-estimate! On Thu, Apr 2, 2009 at 7:45 PM, damodar prasad <[email protected]>wrote:
> I don't want to underestimate you, sreenivas. Have fun! > > > On Thu, Apr 2, 2009 at 7:37 PM, sreenivas v.p > <[email protected]>wrote: > >> Hi Damodar , >> >> I wrote that as an introduction , I think three theories changed our >> perception about ourselves and the universe . >> 1. Theory of relativity >> 2. Marxism >> 3. darwin's theory of evolution . >> the world before these men of genius has no singificance . >> >> >> >> --- On *Thu, 2/4/09, damodar prasad <[email protected]>* wrote: >> >> >> From: damodar prasad <[email protected]> >> Subject: [GreenYouth] Re: Was Einstein Wrong? >> To: [email protected] >> Date: Thursday, 2 April, 2009, 7:16 PM >> >> >> Srinivas, >> >> *like Marxism , another theory that changed our perception about the >> world was Einstein's theory of relativity . >> >> did you write the above sentence? or the sydney team.. >> >> >> * On Thu, Apr 2, 2009 at 6:57 PM, sreenivas v.p < >> [email protected]<http://in.mc87.mail.yahoo.com/mc/[email protected]> >> > wrote: >> >>> * 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! Invite them now. >>> >>> <http://in.rd.yahoo.com/tagline_messenger_6/*http://messenger.yahoo.com/invite/> >> >> >> >> ------------------------------ >> Add more friends to your messenger and enjoy! Invite them now. >> >> >> <http://in.rd.yahoo.com/tagline_messenger_6/*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 -~----------~----~----~----~------~----~------~--~---
