The disco ball was turning. It would complete its revolution in 43.247 seconds. Just now, 100 times since he'd arrived. It had 1579 mirrored faces. That was a good number. Prime and a Fibonacci. Doubly good. Three tiny squares of mirrored glass were missing, showing the grey of the adhesive beneath.
"39.7617907."
"What? Oh, square roots again."
His brother smiled a sigh, then leaned nearer to combat the thunderous bass and the high pitched chatter. It wasn't enough. He had to shout over the music.
"I'm nearly done. Just a few more minutes, ok?"
He took the shrug as acceptance...