Microchips in lieu of labels
David Pilling (Tue, 17 Mar 2015 10:41:52 PDT)
Hi,
On 17/03/2015 17:21, Tim Eck wrote:
I know dry sand is transparent to microwave but wouldn't damp earth shield
against radio frequencies?
Doh...
What is the deepest growing bulb.
It's almost worth buying the kit to find out how deep it will go. The
context was chipping labels or pots.
But more power, more sensitivity. There is ground penetrating radar.
--
David Pilling
http://www.davidpilling.com/