Racing Against China, U.S. Reveals Details of $500 Million Supercomputer Lab officials predict it will be the first American machine to reach a milestone called “exascale” performance, surpassing a quintillion calculations per second. Share: Facebook Twitter Google+ Stumble Digg Email ThisBlogThis!Share to XShare to Facebook Related Posts:After a Long Fight, Taiwan’s Same-Sex Couples Celebrate New MarriagesFarm Bailout, WikiLeaks, Summer Movies: Your Thursday Evening BriefingYour Friday BriefingThe Election Is Over. So Let’s Talk About What Really Matters, Like ‘Shoeys’After a Long Fight, Taiwan’s Same-Sex Couples Celebrate New MarriagesOn Everest, Traffic Isn’t Just Inconvenient. It Can Be Deadly.