OT: Speed of light [was Re: Why not a Python compiler?]
ivlenin at gmail.com
Wed Feb 13 23:13:51 CET 2008
On Mon, 11 Feb 2008 14:07:49 -0800, Erik Max Francis wrote:
> experience. The notion of impetus -- where an object throw moves in a
> straight line until it runs out of impetus, then falls straight down --
> is clearly contrary to everyday experience of watching two people throw
> a ball back and forth from a distance, since the path of the ball is
> clearly curved.
It's clear _to us_ because when we think about such things, we think in
Newtonian terms. I'm not at all sure it would have been clear to people
in the middle ages; when you throw a ball, it whizzes by so fast, it's
hard to be sure how it's actually moving.
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