3 thoughts on “The Amazing Colour-changing Card trick!

  1. This is a built in function of our brain, the ability to focus. Without it, we would go nuts with the overwhelming amount of data reaching us every moment. Of course, with practice, we can extend the spectrum of our attention to process a wider channel of data stream. So now we have established that an untrained mind will focus on one focus point, the question is: how to train ourselves to manage multiple focus points simultaneously?

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