R
rbwinn
Guest
On Apr 17, 12:19�pm, Mike <mat...@hofstra.edu> wrote:
> On Apr 17, 12:33 am, rbwinn <rbwi...@juno.com> wrote:
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> > On Apr 16, 9:51?am, "JessHC" <jes...@phantomemail.com>
> > > > > > Presenting it to an atheist is no more
> > > > > > productive than attempting to explain to an atheist that if bolts of
> > > > > > lightning strike both ends of a train at the time an observer at the
> > > > > > middle of the train is opposite an observer on the ground, marks left
> > > > > > on the railroad track by the lightning will be the length of the train
> > > > > > apart.
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> > > > > The length of the train moving at the speed of light, which will be
> > > > > different that the length of the train at rest.- Hide quoted text -
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> > > > > - Show quoted text -
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> > > > Well, according to Einstein's equations, the length of a train moving
> > > > at the speed of light would be zero.
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> > > And what would its mass be?- Hide quoted text -
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> > Well, its mass would be infinite according to Einstein's
> > calculations.
> On Apr 17, 12:33 am, rbwinn <rbwi...@juno.com> wrote:
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> > On Apr 16, 9:51?am, "JessHC" <jes...@phantomemail.com>
> > > > > > Presenting it to an atheist is no more
> > > > > > productive than attempting to explain to an atheist that if bolts of
> > > > > > lightning strike both ends of a train at the time an observer at the
> > > > > > middle of the train is opposite an observer on the ground, marks left
> > > > > > on the railroad track by the lightning will be the length of the train
> > > > > > apart.
>
> > > > > The length of the train moving at the speed of light, which will be
> > > > > different that the length of the train at rest.- Hide quoted text -
>
> > > > > - Show quoted text -
>
> > > > Well, according to Einstein's equations, the length of a train moving
> > > > at the speed of light would be zero.
>
> > > And what would its mass be?- Hide quoted text -
>
> > Well, its mass would be infinite according to Einstein's
> > calculations.