IUBio

brain sizes: Einstein's and women's

Angilion angilion at ypical.fsnet.co.uk
Wed Jul 17 17:46:31 EST 2002


On Wed, 17 Jul 2002 14:05:08 GMT, JDay123 at BellSouth.com (Jd) wrote:

>In alt.education  Re: brain sizes: Einstein's and women's, 
>Angilion wrote... 
>
>>Then there are the other forms of dating, which can date back
>>much further.  If humans only existed 3000 or maybe 6000 years
>>ago, who was making stone tools 600,000 years ago?  Or are
>>those dating methods incorrect by a factor of 100?  If so, why?
>>And what about the humanoid skeletons dated as old as
>>7 *million* years?
>
>Reverse time travel. Think about it... a time traveler traveling at
>the speed of light comes back younger than everyone he'd left.
>Looking back into an exponentially expanding universe is time travel
>in reverse.

You are referring to time dilation, a relativistic effect.  That only
applies between objects moving relative to each other and only
becomes appreciable at a significant proportion of the speed of
light.  It does not apply to a person on Earth looking at skeletons
on Earth.

-- 

Always remember you're unique.
Just like everyone else. (Anon)



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