A research lab in China has made the fastest supercomputer in the world. With this, it has been able to replace US in having the hold on this segment of technology. But as China is trying to realize its dream of becoming the best in hi-tech, US has asked it to control its demand in rare earth elements. These elements are used in many a high-technology applications and have been in great demand by China. To be able to get hold of these, China has been flexing its muscles for the last few months and has attracted attention especially from...