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 -~----------~----~----~----~------~----~------~--~---
