A basic form of ESP testing. It uses a deck of cards (such as regular playing cards or Zener cards) and repeated rounds of testing. This technique can be used to test for precognition, by having the subject guess a card before it is revealed, telepathy, by having the subject guess a card being looked at by the tester, etc.
Readers, please enjoy this guest blog post by Emrys Abner, author of Solomonic Pentacles and the new 72 Angels and Demons.
We live in politically polarized times, but the guidance angels provide on this topic is timeless. It transcends...
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