How the rainbow illuminates the enduring mystery of physics. An Idea from the archive: http://ow.ly/sJ9P30dC6AZ pic.twitter.com/yqn18kxjeh
11:00 AM - 16 Jul 2017
0 replies
7 retweets
9 likes
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.