Rather lovely shirt idea! I know a lady who does this sort of thing; anyone interested in polling her on a small production run?
Dave On Wed, 4 Mar 1998, Mac Oglesby wrote: > Roger Bailey wrote: > (snip) > >As further follow up I'd like to show what a powerful little equation the > >sunrise formula is: Cos t = - tan d * tan L. > (big snip) > >Remarkable. This equation deserves to be on a tee shirt, the ultimate > >honour for science trivia! I can just picture it arching over a glowing > >sunrise graphic. > > > 4Mar98 > > Hi Roger, > > Thanks so much for your mini-essay on the half-day length formula. I > hadn't realized it was that versatile. Put my name on your order list for > one of those tee shirts. No kidding, I want one. Size XL. > > Stay well, > > Mac Oglesby > >
