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A sense of things to come

机译:未来感

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The military uses for wireless technology are persuasive. For example, pilots can fly above a war zone and drop thousands of small wireless sensors, the size of a small pebble and costing a dollar apiece, over the terrain. As soon as they settle the devices start communicating with each other, weaving themselves into a dense digital mesh. They pick up vibration and sound, so they can identify advancing troops. The sensors can also detect the presence of nuclear, chemical or biological agents. The information they pick up is relayed to a satellite. For power, they "scavenge" energy from the environment, using solar energy or temperature changes.
机译:无线技术的军事用途具有说服力。例如,飞行员可以在战区上空飞行,并在地形上投下数千个小型无线传感器,一个小卵石的大小并花费一个美元。一旦它们稳定下来,设备便开始彼此通信,将它们自己编织到一个密集的数字网格中。他们吸收振动和声音,因此可以识别出前进的部队。传感器还可以检测核,化学或生物制剂的存在。他们获取的信息将中继到卫星。对于电力,他们利用太阳能或温度变化从环境中“清除”能量。

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