Podcast:Change Your Brain Every Day Published On: Thu Nov 07 2019 Description: Jim Karol, author of “Ultimate Memory Magic,” has developed the ultimate tool to help you remember huge lists and other large numbers of items. It’s called the mental matrix, and it just might blow your mind. In the final episode of The Brain Warrior’s Way Podcast series with Jim, he describes what the mental matrix is, and how you can use his (or your own!) to turn your brain into a well-oiled memory machine.