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:‘It’s About All of Us’: New Zealand’s Gun CrackdownHow One Map Explains the Islamic State’s New TacticsTerrorism Charges Planned in Utrecht Shooting, Dutch Prosecutors SayFormer President Michel Temer of Brazil Is ArrestedU.K. Police Investigating Attacks on 4 Mosques in BirminghamAmsterdam Is to Ban Tours of the Red-Light District