From Twitter https://twitter.com/drsekula: RT @NYTScience: Harvard physicists say they've squeezed hydrogen so hard that it turned into a metal. https://myaccount.nytimes.com/auth/login?URI=http://www.nytimes.com/2017/01/26/science/solid-metallic-hydrogen-harvard-physicists.html?smid=tw-nytimesscience&smtyp=cur&_r=5