There are two systems of thought. System two is the conscious slow effortful system. And system one is subconscious. Fast and automatic. To explore how these systems work in his own head, Grant decided to memorize a hundred digits of pi(π). - Three eight four four six... - Then he just kept going. He has now memorized 23,000 digits of pi(π) in preparation to challenge the north American record. It seems like superhuman ability. Well decades ago, scientists wanted to know what makes experts like chess masters special. Do they have incredibly high IQ's, much better spatial reasoning than average, bigger short term memory spans? Well, it turns out that as a group, chess masters are not exceptional on any of these measures. But one experiment showed how their performance was vastly superior to amateurs.
ThriftBooks sells millions of used books at the lowest everyday prices. We personally assess every book's quality and offer rare, out-of-print treasures. We deliver the joy of reading in recyclable packaging with free standard shipping on US orders over $15. ThriftBooks.com. Read more. Spend less.