The challenge should be more symmetrical then I just described. Rather than
boil water, the challenge should be to melt ice with a very cold reservoir
where the ambient  temperature is low enough such that the normal state of
water is ice.

Harry


On Tue., Nov. 3, 2020, 4:04 p.m. H LV, <[email protected]> wrote:

>
> This challenge is inspired by the title of Gene Mallove`s book "Fire From
> Ice".
>
> A major engineering goal in the past was to make ice from fire. That is
> given a very hot reservoir and ambient temperature, build a machine which
> will cause water to freeze.
>
> Can a complementary machine be built which will cause water to boil given
> a very cold reservoir and the ambient temperature? Has this already been
> done?
>
> Harry
>

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