[ExI] puzzle

[Will Steinberg]

Kites, maybe?  I thought evaporative coolers in the desert could keep ice
but not make it

On Wed, Jul 1, 2020, 16:35 William Flynn Wallace via extropy-chat <
extropy-chat at lists.extropy.org> wrote:

> Here is one I ran across in an article on air conditioning.  In ancient
> Egypt ice was made.  How did they do it?
>
> bill w
> _______________________________________________
> extropy-chat mailing list
> extropy-chat at lists.extropy.org
> http://lists.extropy.org/mailman/listinfo.cgi/extropy-chat
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.extropy.org/pipermail/extropy-chat/attachments/20200701/1f4ed970/attachment.htm>