Known unknowns and unknown unknowns
- Known unknowns are the things we know we don’t know about (space travel, brain surgery, etc.) We can learn anytime about them but we’re not really expected to know about them.
- Unknown unknowns are the things we think we should know about, but we actually don’t (how a bicycle works or what makes a toilet flush). These are common, everyday things we take for granted and assume we know how they function.
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- Known Knowns: Things we know, like how to ride a bicycle.
- Known Unknowns: Stuff we don’t understand, like quantum physics.
- Unknown Knowns: Things we know but never realized that we knew it. Most of it comes naturally to us, l...
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