New type of #solar concentrator desn't block the view http://phy.so/327683890 pic.twitter.com/oa2Nhwx3Rc
1:45 PM - 19 Aug 2014
0 replies
5 retweets
6 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.