[mpyne]

Interestingly, the fun fact is something any mariner could have told a missile designer. We call it CBDR; Constant [relative] Bearing, Decreasing Range.

Stay in CBDR for long enough and you're pretty much guaranteed a collision.

[marklabedz]

Dogs catching frisbees employ a similar methodology: http://digitalunion.osu.edu/r2/summer06/maynor/journal_artic...

[kevinconroy]

I heart comment chains like these. Thanks for the wonderful side trip of interesting but unrelated facts!