We can't downvote stories here...
Maybe PG will share it with us or someone has recently hit the magic number?
(= gravity* 1.4 timebase* 120 front-threshold* 1)
(def frontpage-rank (s (o gravity gravity*))
(/ (- (realscore s) 1)
(expt (/ (+ (item-age s) timebase*) 60) gravity)))
http://github.com/nex3/arc/tree/master/news.arc