>Hey I have been pondering making a transmissive LCD array into an on/off
>mirror that I could mount into the back window of my car to reflect back
>the light of the $%^& who has his headlights too high behind me. I had
>been wondering how to have the mirror dynamically self focus on the
>driver, now I know. Perhaps I really should have changed the subject to
>[PIC] after all.

Just place a row of catadiopters on the front collision bar. The 2 inch
ones used for theodolite survey work will do fine. You don't need to
orient them, they return the glare where it came from. I also suspect that
this is not legal so I did not say that you should do this. I.e. don't do
this.

Peter

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