Re: X-ray'ing packages and containers - the extreme

[RuthWeiner@aol.com]

In a message dated 9/27/01 6:04:03 PM Mountain Daylight Time, franz.schoenhofer@CHELLO.AT writes:



> This led
>
> me to the postulation that they were IR pictures. In Austria to my knowledge
>
> there are used detectors for carbon dioxide exhaled by illegal immigrants on
>
> lorries or railway waggons.


It's a little off-topic, but how can you tell the CO2 exhaled by stowaways from the CO2  in the vehicle exhaust?


Ruth Weiner, Ph. D.

ruthweiner@aol.com