US Government refuses permission for Intel to help upgrades worlds biggest super Computer in China

Intel has been refused an export Licence by the US Government to help China update the Worlds biggest supper Computer the Tianhe-2 computer. The Reason cited was the US Government was concerned about Nuclear Research being done on the Machine. The Tianhe-2 computer uses 80,000 Intel Xeon chips which allows the super computer to generate a a computational capacity of over 33 petaflops, a petraflop  equates to over  one quadrillion calculations per second.