Substantial discussion:<p><a href="https://news.ycombinator.com/item?id=6927905" rel="nofollow">https://news.ycombinator.com/item?id=6927905</a> (tau.ac.il) (92 comments)<p>Other submissions:<p><a href="https://news.ycombinator.com/item?id=6938536" rel="nofollow">https://news.ycombinator.com/item?id=6938536</a> (dailymail.co.uk)<p><a href="https://news.ycombinator.com/item?id=6935289" rel="nofollow">https://news.ycombinator.com/item?id=6935289</a> (tau.ac.il)<p><a href="https://news.ycombinator.com/item?id=6933255" rel="nofollow">https://news.ycombinator.com/item?id=6933255</a> (slashdot.org)<p><a href="https://news.ycombinator.com/item?id=6932445" rel="nofollow">https://news.ycombinator.com/item?id=6932445</a> (slideshare.net)