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http://en.m.wikipedia.org/wiki/Rare_Earth_hypothesis

- Thread starter Rocketjj
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- #76

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http://en.m.wikipedia.org/wiki/Rare_Earth_hypothesis

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First, you may consider this as an estimate of one prominent futurist and a famous inventor, Ray Kurzweil. He has already proved many times that he is pretty good in technological predictions. According to his estimates, our civilization will become mostly non-biological to the year 2045. It means that most of thinking creatures (virtual personalities) to this year will be travelling virtually through the networks similar to Internet - at the speed of light. It is obvious that for those, who is massless there is no need to accelerate.How is this a solution? Given you can't accelerate an object with mass to the speed of light, it doesn't solve anything.

"Our civilization"? And whose estimate is this? Certainly not one based in reality. We aren't even close to anything of the sort.

First you propose wee need to travel at the speed of light and then you say we can do so mid 21st century. Nonsense.

Second, you are wrong, there exist promising ideas on light speed travel for massive objects too, so your thesis is not "given". I don't want to discuss these ideas here, but you may consider, for example, the fact that the Dirac equation for massive particle (4-spinor) may be transformed into two equations for massless Weyl 2-spinors. It means by the way that from the certain point of view fermion particles like electron, proton, etc. are moving at the speed of light all the time (no need to accelerate). It is well-known in quantum theory "jiggling" effect. Future inventors may find a way to utilize this.

- #78

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These ideas have already been discussed here only a few weeks back. I believe the thread was locked for non-sense claims such as these. There is no substance to them.First, you may consider this as an estimate of one prominent futurist and a famous inventor, Ray Kurzweil. He has already proved many times that he is pretty good in technological predictions. According to his estimates, our civilization will become mostly non-biological to the year 2045. It means that most of thinking creatures (virtual personalities) to this year will be travelling virtually through the networks similar to Internet - at the speed of light. It is obvious that for those, who is massless there is no need to accelerate.

As far as I'm aware, the only methods for FTL travel for massive objects involve 'exotic' as of yet, non-existent entities.Second, you are wrong, there exist promising ideas on light speed travel for massive objects too, so your thesis is not "given". I don't want to discuss these ideas here, but you may consider, for example, the fact that the Dirac equation for massive particle (4-spinor) may be transformed into two equations for massless Weyl 2-spinors. It means by the way that from the certain point of view fermion particles like electron, proton, etc. are moving at the speed of light all the time (no need to accelerate). It is well-known in quantum theory "jiggling" effect. Future inventors may find a way to utilize this.

Also, I'm not sure how interchangeable micro and macro scale matters are.

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berkeman

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