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Learning is an ongoing process in which we move from what is known to that which is new. Thinking of this process linearly, on one extreme would be things that you know so well you take them for granted: tying your shoes, zipping a coat, or where the light switches are in your home. .. On the other extreme , are concepts new to us which that are beyond our capability to learn or even so new that we are unaware of our own ignorance: quantum physics for example. Somewhere in the middle is where your current learning takes place.
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