Igor Khavkine wrote:
> BTW, the kinetic energy of a planet in motion around the Sun is not
> constant. It goes up when the planet is closer to the Sun and goes down
> when the planet is farther away. So the Sun's gravity is giving kinetic
> energy to the planet for part of the orbit, and takes it away for
> another part of the orbit. However, if the gravitational potential
> energy is added to the kinetic energy, their sum (the total mechanical
> energy) is conserved throughout the orbit.
I've always thought that money in an economy is a good analogy. The conversion
between KE and PE would be the difference between cash and the numbers in your
Nature even extends credit via the Uncertainty Principle - you can borrow if you
pay it back in a certain time. No interest, however. Although that does seem a
bit like entropy...
While Nature generally does not follow govt in printing money and creating
inflation there may well be an exception, at least in the past (Big Bang).
Anyone care to expand the analogy? Or better yet point to a source where all
this has already been expounded?
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