From 2015. Related press release: http://news.uchicago.edu/article/2015/11/20/strange-quantum-phenomenon-achieved-room-temperature-semiconductor-wafers http://

From 2015. Related press release: http://news.uchicago.edu/article/2015/11/20/strange-quantum-phenomenon-achieved-room-temperature-semiconductor-wafers http://news.uchicago.edu/article/2015/11/20/strange-quantum-... In my naive reading this seems highly significant. But I really can't back that up.