Talk:Yakhchal

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this article begins right, but then starts to read like it was copied from a book (mostly because it repeats what is said in the "introduction" as if it wasn't connected to it) I lack sufficient knowledge on this subject to make changes--164.77.106.168 12:08, 13 November 2006 (UTC)

[edit] The planet explorer

In Murray Leinster's the Planet Explorer he says the babylonians were able to cool stuff to below ambient temperature via radiation to space at night by insulating it from ground heat and protecting it from convection currents. Is he just nuts? Is this an old theory that has now been discounted? the wind towers article says this is not possible, but it seems to make sense if you think about it really hard. Anybody know anything about this? Puddytang 01:53, 17 April 2007 (UTC)