At 12:03 AM 2/16/96 -0800, gw wrote:

50% mirrors picking off those laser beams would do it, and you could not detect the resulting attenuation as distinct from naturally ocurring attenuation and variation.

Assume, as seems reasonable, that I point my laser from the roof of my house to an ISP relay station located on a tall building or a nearby mountain. An interception device will stick out like dogs balls. Whoever wants to tap my line is going to have to build a tower. --------------------------------------------------------------------- | We have the right to defend ourselves | http://www.jim.com/jamesd/ and our property, because of the kind | of animals that we are. True law | James A. Donald derives from this right, not from the | arbitrary power of the state. | jamesd@echeque.com