Denning's Geo-crypto

Major Variola (ret) mv at cdc.gov
Thu Nov 22 14:51:39 PST 2001


At 11:35 AM 11/22/01 -0800, John Young wrote:
Do caves
>serve as acoustic resonators to emit recorded whispers up
>ventilating shafts?

Their waveguide, not resonance, properties might be of interest,
if their CO2 emissions -whether speaking or silent- were not so telling.

Unless Osama's got a *bunch* of lime.

Thermal sig is telling too.  They don't grow weed under lights in the
karez,
do they?





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