http://www.cafepress.com/greymatters Train and Strain Your Brain to Entertain en-us Sun, 21 Oct 2007 20:56:00 -0700 hourly 1 2007-09-21T20:56:00-07:00 To take full advantage of this feed, use an RSS or Atom feed reader. Find one for your system at: http://en.wikipedia.org/wiki/List_of_news_aggregators http://www.cafepress.com/greymatters.180324862 Sun, 21 Oct 2007 20:56:00 -0700 Originally printed in 1941, this book is a true treasure! It contains two sections.The first section, The Mental Filing System, teaches one of the most effective systems I've ever seen to remember up 10 100 objects in and out of order! It teaches not only the system, but ineffective and effective ways to use the system. Once you've mastered the system itself, you also learn how to put it to great use. http://www.cafepress.com/greymatters/1398577 Wed, 19 Sep 2007 20:09:00 -0700 This Calendar has a secret. Thanks to the special design, you can have someone name any date in 2008, and you can recall the day of the week on which it falls faster than they can look it up in the calendar! http://www.cafepress.com/greymatters/2659576 Wed, 14 Mar 2007 20:09:00 -0700 As requested, here is a shirt with just the Pi Chart alone and on the front! Ladies, be proud and display your geekiness up front! http://www.cafepress.com/greymatters/2659566 Wed, 14 Mar 2007 20:09:00 -0700 As requested, here is a shirt with just the Pi Chart alone and on the front! Be proud and display your geekiness up front! http://www.cafepress.com/greymatters/2660685 Wed, 14 Mar 2007 20:09:00 -0700 If z is the radius of a pizza, and a is the thickness, then the formula for the volume is Pi * z * z * a! Could this be the origin of the name? http://www.cafepress.com/greymatters/2660690 Wed, 14 Mar 2007 20:09:00 -0700 If z is the radius of a pizza, and a is the thickness, then the formula for the volume is Pi * z * z * a! Could this be the origin of the name? http://www.cafepress.com/greymatters/1719712 Thu, 10 Aug 2006 17:45:51 -0700 Playing blackjack on the Las Vegas Strip with 6 decks? These items will minimize the house edge to 0.36%! http://www.cafepress.com/greymatters/1719713 Thu, 10 Aug 2006 17:38:45 -0700 Playing blackjack on the Las Vegas Strip with 6 decks? These items will minimize the house edge to 0.36%! http://www.cafepress.com/greymatters/1582281 Thu, 29 Jun 2006 19:09:16 -0700 These items feature the most effective basic strategy for a game with the following qualities http://www.cafepress.com/greymatters/1582282 Thu, 29 Jun 2006 19:07:01 -0700 These items feature the most effective basic strategy for a game with the following qualities http://www.cafepress.com/greymatters/1281165 Wed, 03 May 2006 13:11:00 -0700 Are the ready-made magic squares not quite right for you? Get your own custom-made magic square buttons or magnets here, depicting your age, a favorite year or even a special specific date! http://www.cafepress.com/greymatters.55632473 Tue, 25 Apr 2006 13:11:00 -0700 Don't let that "39" just sit there on that stamp, make it do tricks! http://www.cafepress.com/greymatters/1367223 Sun, 16 Apr 2006 21:35:42 -0700 Ever had an itch on your back that you can't reach and aren't able to tell someone else exactly where it itches? Here's the solution: a t-shirt with a grid on the back! There's a reference shirt on the front, oriented so that you can view it correctly. Using this shirt, you'll be able to tell your friends exactly where your back itches! http://www.cafepress.com/greymatters/1367219 Sun, 16 Apr 2006 21:33:00 -0700 Ever had an itch on your back that you can't reach and aren't able to tell someone else exactly where it itches? Here's the solution: a t-shirt with a grid on the back! There's a reference shirt on the front, oriented so that you can view it correctly. Using this shirt, you'll be able to tell your friends exactly where your back itches! http://www.cafepress.com/greymatters/1339457 Thu, 06 Apr 2006 10:09:10 -0700 You know you've memorized too many digits of Pi when you not only have no life, but you can prove it mathematically! http://www.cafepress.com/greymatters/1339460 Thu, 06 Apr 2006 10:06:27 -0700 You know you've memorized too many digit of Pi when you not only have no life, but you can prove it mathematically! http://www.cafepress.com/greymatters/1285713 Thu, 16 Mar 2006 12:42:50 -0800 At first, it appears to be a souvenir T-shirt from a concert tour. Once you look closer, however, you find that it is a semi-magic square (semi-magic, because the diagonals don't total the same as the rows and columns) whose rows and columns each total 260! http://www.cafepress.com/greymatters/1285710 Thu, 16 Mar 2006 12:45:45 -0800 At first, it appears to be a souvenir T-shirt from a concert tour. Once you look closer, however, you find that it is a semi-magic square (semi-magic, because the diagonals don't total the same as the rows and columns) whose rows and columns each total 260! http://www.cafepress.com/greymatters/1274631 Sun, 12 Mar 2006 10:52:51 -0800 Both the person wearing any of these shirts and the person looking at them will see a magic square that totals 264 in every direction. However, the wearer will see a different square than everyone else! http://www.cafepress.com/greymatters/1274634 Sun, 12 Mar 2006 10:55:24 -0800 Both the person wearing any of these shirts and the person looking at them will see a magic square that totals 264 in every direction. However, the wearer will see a different square than everyone else! http://www.cafepress.com/greymatters/1267507 Thu, 09 Mar 2006 13:59:31 -0800 Are the Pi Challenge shirts too confrontational for your style? Present the challenge in good humor in these smart (literally!) men's T-shirts. http://www.cafepress.com/greymatters/1267494 Thu, 09 Mar 2006 13:55:59 -0800 Are the Pi Challenge shirts too confrontational for your style? Present the challenge in good humor in these smart (literally!) women's T-shirts. http://www.cafepress.com/greymatters.50073945 Mon, 06 Mar 2006 20:38:55 -0800 Demonstrate your Pi mastery, and leave your contact information on the back! If you don't know 400 digits of Pi, learn it with Train Your Brain and Entertain! http://www.cafepress.com/greymatters/1256544 Sun, 05 Mar 2006 22:36:32 -0800 Guys, you may have shirts that show off your brawn, but how many do you have that show off your brain? http://www.cafepress.com/greymatters/1256557 Sun, 05 Mar 2006 22:30:05 -0800 What better way to get people to respect you for your mind than to meet the 400-Digit Pi Challenge? http://www.cafepress.com/greymatters.49540714 Sun, 05 Mar 2006 22:26:15 -0800 Demonstrate your Pi mastery, and leave your contact information on the back! If you don't know 400 digits of Pi, learn it with Train Your Brain and Entertain! http://www.cafepress.com/greymatters.49942427 Sun, 05 Mar 2006 22:25:32 -0800 Train Your Brain and Entertain is a new software program that teaches memory technique. http://www.cafepress.com/greymatters.47546508 Sun, 05 Mar 2006 22:25:16 -0800 Train Your Brain and Entertain is a new software program that teaches memory technique. http://www.cafepress.com/greymatters.46948637 Sun, 05 Mar 2006 22:24:48 -0800 After years of magicians calling for Terry LaGerould to put out a new book, it's here! With more than 60 pages containing 17 card effects, and more than 35 photos, you'll easily learn these routines!