Spam:[extropy-chat] PRIVACY: GPS darts

[Acy James Stapp]

>From http://silver.neep.wisc.edu/~lakes/BoneElectr.html

"the behavior of bovine femoral bone is essentially resistive"

I doubt it would make a good antenna. Bone is ~65-70% hydroxyapatite,
which is (by mass) 400.8/1004.643, or ~40%, giving around 25%
calcium.

I was unable to quickly find the resistivity of pure hydroxyapatite.

[ -----Original Message-----
[ From: Don Dartfield
[ 
[ On Thu, 22 Apr 2004, Mike Lorrey wrote:
[ 
[ > You are forgetting one important fact: the human skeleton is made of
[ > calcium, a metal.
[ 
[ I was wondering about something similar -- could a tiny 
[ transceiver use 
[ your body, or some portion of it, as an antenna?