Re: Existential risks

On 28 Apr, 03:38, Wolf Kirchmeir <wolf...@xxxxxxxxxxxx> wrote:
Vend wrote:
On 27 Apr, 14:24, Wolf Kirchmeir <wolf...@xxxxxxxxxxxx> wrote:
Curt Welch wrote:

[...]> At worse, what will happen is that the current flow of energy and cheap
pre-made materials will slow as all the "free" stuff is used up, and we
have to use energy to recycle materials into the forms we need. The net
result is that we will find more ways to make things last longer and throw
less stuff away since the material to make new things will cost so much
more than it does now.
[...]

Good thing you put "free" in quotes. The only cost of doing or making
anything is energy.

Yes, you need energy to do or make things, but you can't measure costs
in energy units:

Why not? It's done all the time. Ask any process engineer.

This assumes that the energy is of a certain kind.
As I said before, 1 Joule of mechanical energy has not the same
economical value of 1 Joule of heat.

[I won't waste your time by further comment on this thread - it belongs
in another forum.]

--
wolf k.

.

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