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MJSaf's avatar

One of the earliest lessons I remember from grade school was about all the things we couldn’t do if there was no friction. We couldn’t grasp a baseball bat or throw a ball and cars couldn’t drive on the road without sliding off. As kids we knew that immediately, once we were prompted with the right question. Funny we barely remember it today. We just use our car for everything, order things online and have them delivered with no effort at all. No wonder so many lives are empty. There is no friction.

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