据国外媒体报道,对于我们绝大多数人来说,GPS(全球定位系统)已经成为我们日常生活的一部分,我们的手机、汽车、船只和飞机都依赖于卫星网络查找它们的方位。现在,美国军方又研制出一种尺寸不及1美分的微型芯片,无需昂贵的卫星网络便可对其进行追踪。这种微芯片装有3个陀螺仪,3个加速计以及1个主时钟,能够借 For the vast majority of us, GPS (Global Positioning System) has become a part of our everyday lives, and our cell phones, cars, boats and airplanes rely on satellite networks to find their bearings, according to foreign media reports. Now the U.S. military has developed a microchip that measures less than a quarter of its size and tracks it without the need for an expensive satellite network. The microchips are equipped with three gyroscopes, three accelerometers and one master clock