unknown unknowns

David Barnhart dbarnhart at HIGHLANDS.COM
Tue Nov 1 14:57:02 UTC 2011

JL wrote in part:

>An "unknown unknown" is basically an unknown >that nobody's even thought of

Black holes were an unknown unknown once upon a time.

What's more what's unknown to one group may not be so to another.


Barnhart at highlands.com

The American Dialect Society - http://www.americandialect.org

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