You only need a cursory familiarity with the work of magicians like Derren Brown and David Blaine to realise that at the heart of many illusions lies a piece of rock-solid mathematics ...
Start with a deck of cards. Before the trick, sneak a peek at the 10th card in the deck. Memorize it. Now choose a volunteer. Ask him to choose a number between 10 and 20. Count out that number of ...
You probably haven’t had to do longhand math in years, but you do mental math every day. Or maybe you google math problems ten times a day, because you’ve forgotten how to do any math beyond your ...
Sometimes the easiest, simplest way to liven up a party, sleepover, family gathering or presentation to a class is to perform a magic trick. Most magic tricks require fancy costumes and props, but ...