Look, I don’t have anything. There are magic tricks that work well, relying on the skill of the performer and a little psychology. In addition, there are so-called automatic magic tricks that are guaranteed to work due to mathematical principles.
For example, let’s say you ask someone to write a four-digit number and show it to you. I’ll write down my predictions, but I’ll keep them a secret. Please write another 4-digit number and show it to me. If he does that, I’ll write one for him too. Now, when you add up the three numbers shown, you might be surprised to find that the answer matches your prediction…
Source: www.newscientist.com
