Re: Lasers can't be defended against?

On Mon, 24 Apr 2000, Thomas Barclay of the Clan Barclay wrote:

> very much like we have such systems for planes nowadays (on the good
> planes) that automatically detect IR locks and start tossing flares
> BEFORE the pilot can react most times...

now, i'm no expert, but i thought IR guidance was passive - how exactly
do
you detect someone looking at you?

tom a