Retweeted David Novick (@NovickProf):
I've put all my color illusions so far on a web page:... http://fb.me/3SCWEhJ7k
5:21 PM - 3 Aug 2017
0 replies
0 retweets
1 like
Loading seems to be taking a while.
Twitter may be over capacity or experiencing a momentary hiccup. Try again or visit Twitter Status for more information.