time-edited
- From: dinunno@xxxxxxxxx
- Date: 12 Jul 2005 22:29:18 -0700
sorry-i noticed some problems with my last post on this subject.
Earlier today I was thinking about relativity and such and after trying
to impound in my head that time was relative, I began to wonder what
exactly time was, and I couldn't figure it out.
Also, while thinking about that, another question popped into my head.
Consider a 5 ft deep pond with a 2 foot rock at the bottom. If the pond
water is stagnant, the rock is not noticeable from the surface of the
water-the water level is relatively flat. However, if the water is
moving, there is a noticeable displacement in the surface of the water
above the rock, and if the rock is half in and half out of the water,
the low of the water must curve around the rock, giving the appearance
of a lower speed (in the x direction) this, however, is wrong (i
think)-the water is just diverted around the rock giving it an x and y
velocity, the resultant of which should be equal to the initial water
speed in the x direction.
Now in space, there is a curvature around a mass. What causes this
curvature? For this to happen, there must be a flow of something (if it
is analogus to the water example) Is time what is flowing? If so, does
the flow of time work like the flow of water wherein it can be
accelerated?
Sorry if this question seems really basic, I'm trying to teach myself
relativity.
-Brandon DiNunno
undergrad at the University of Texas
Much like the QED question from before, can someone please point me in
the right direction for learning and understanding relativity on a
mathematical level? I know I need to build up my math, but don't know
which books to use-some may work better than others.
Thanks
.
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