wrote:

> The guys should be granted the Nobel Price, for sure.
> 
> To be able to create an electrical field strong enough to attract ions
> over a distance of 5000 m from a plane: respect!
> 
> Of course - I would not recommend using a device this highly charged near
> any combutible or instable substances, especially when one is doing the
> detecting from a few meters away. I am pretty sure if such a device could
> be built, it would detect explosives from a few meters distance for sure.
> Once. And in a very terminal way.

Teehee! Good one.

It reminds me of Terry Pratchett's "dragon detector" that CMOT Dibbler was 
selling in "Guards! Guards!" - a piece of wood about as long as your hand. 

You knew it had detected the dragon when it had burned completely through.

Satisfaction guaranteed or your money back.
-- 
Stefan Viljoen

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