CAD CAM EDM DRO - Yahoo Group Archive

Re: [CAD_CAM_EDM_DRO] Way off topic: Olfactory detection and asteroid probes

Posted by dave engvall
on 2001-02-22 15:54:24 UTC
Randy , et al:
Sounds like the detection limits are getting close.... see Scientific American, Mar 2001 pg. 29.

Nothing is likely to come close to the female cockroach.....who reportably can detect 10 molecules of the sex pheromone. in rough
numbers 1e-24 mol. Not bad. :-)

NASA also worries about exporting micro-organisms to space and also what they might get back.

Dave


> At 11:02 PM 2/22/2001 -0000, e.heritage@... wrote:
>
> >topic now: At NASA they actually have a department that sniffs every single
>
> As of yet, there is no electronic instrument that can detect organic
> compounds with the sensitivity of a human nose. For many years, there has
> been an accessory for gas chromatographs (sensitive laboratory chemical
> separator/analyzer) called an olfactory detector, which takes the output

Discussion Thread

dave engvall 2001-02-22 15:54:24 UTC Re: [CAD_CAM_EDM_DRO] Way off topic: Olfactory detection and asteroid probes e.heritage@b... 2001-02-22 16:01:35 UTC Re: [CAD_CAM_EDM_DRO] Way off topic: Olfactory detection and asteroid probes