A "little mathematical trick" which can be performed with powers of two, Fibonacci numbers and prime numbers. More links & stuff in full description below ↓↓↓ Featuring Dr james Grime,...
========== JAMES GRIME: We're going to try
out a little mathematicaltrick with you today, Brady.It's nothing special.I mean, it's nothing new.But we'll try it out.I'm going to ask you to pick
a number between 1 and 30.Don't say it out loud,
but pick a numberbetween 1 and 30.Have you done that?OK.BRADY HARAN: So we'll put
it on the screen, right?JAMES GRIME: Yes.BRADY HARAN: There it is.JAMES GRIME: Yeah, great.So we put it on the screen,
and the guys athome can play along.OK, so we're going to
use Brady's number.I don't know what his number
is at the moment, but I'mgoing to hold up these cards.And they have numbers
on them, of course.If you see your number,
let me know.Say yes.And if you don&a...