Tweets for the Week of 09-23-2013

By Eugie Foster | September 30, 2013 - 12:06 am |September 30, 2013 Twitter Digest

Amusing color acuity test. I scored 12. Interesting display at end showing where hue discrimination is less accurate. http://t.co/0pX9CL8mvO 12:14:30, 2013-09-25

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