Lesson I learned today

Washing your hands consists of four necessary and sufficient steps.

  1. Run water over hands
  2. Lather hands with soap
  3. Run water over hands
  4. Dry

And yet, if you mess up the order, as I just did, it doesn’t work.

Washing your hands consists of four necessary and sufficient steps. Run water over hands Lather hands with soap Run water over hands Dry And yet, if you mess up the order, as I just did, it doesn’t work. Related posts: History Lesson Hmm… I didn’t realize that I’d had my blog this long. It seems…

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