how a Curry square can "prove" that the whole is not equal to the sum of its parts and lots more

Instead of milk

David Roth finishes up with two completely different ways to use the folding coin

are each two inches long and half an inch wide

X-Ray | Ben Harris & Steve Shufton - (Download) DNIGMA how a Curry square canWhen I was young, my uncle Peter fooled me badly with a simple X Ray Vision stunt. It played serious havoc with my developing mind. Pete had been using his X Ray Vision to "see through" the table top in order to identify how many fingers I was holding aloft. He hit it time and time again. I was later crushed, when dad explained that he'd simply been coding the information, to my uncle, via surreptitious foot tapping. In due course it was I who was