现实版画皮：新型人造皮肤具有真实感知体验
<p><span word="A">A</span> <span word="new">new</span> <span word="form">form</span> <span word="of">of</span> <span word="artificial">artificial</span> <span word="skin">skin</span>, <span word="threaded">threaded</span> <span word="with">with</span> <span word="a">a</span> <span word="network">network</span> <span word="of">of</span> <span word="artificial">artificial</span> <span word="sensors">sensors</span>, <span word="could">could</span> <span word="recreate">recreate</span> <span word="the">the</span> <span word="sense">sense</span> <span word="of">of</span> <span word="touch">touch</span> <span word="for">for</span> <span word="people">people</span> <span word="wearing">wearing</span> <span word="prosthetic">prosthetic</span> <span word="limbs">limbs</span>, <span word="researchers">researchers</span> <span word="revealed">revealed</span> <span word="on">on</span> <span word="Tuesday">Tuesday</span>.</p><p>据美国《时代周刊》报道，研究人员12月9日透露，一种植入传感器网络的新型人造皮肤能让戴假肢的人重获感知体验。</p><p><span word="Researchers">Researchers</span> <span word="in">in</span> <span word="Korea">Korea</span> <span word="and">and</span> <span word="the">the</span> <span word="U">U</span>.<span word="S">S</span>.<span word="have">have</span> <span word="developed">developed</span> <span word="a">a</span> <span word="new">new</span> <span word="form">form</span> <span word="of">of</span> <span word="ultra">ultra</span>-<span word="thin">thin</span> <span word="sensors">sensors</span> <span word="that">that</span> <span word="can">can</span> <span word="pick">pick</span> <span word="up">up</span> <span word="sensations">sensations</span> <span word="of">of</span> <span word="heat">heat</span>, <span word="pressure">pressure</span> <span word="and">and</span> <span word="moisture">moisture</span>, <span word="MIT">MIT</span> <span word="Technology">Technology</span> <span word="Review">Review</span> <span word="reports">reports</span>. <span word="The">The</span> <span word="sensors">sensors</span> <span word="are">are</span> <span word="malleable">malleable</span> <span word="enough">enough</span> <span word="to">to</span> <span word="be">be</span> <span word="woven">woven</span> <span word="into">into</span> <span word="a">a</span> <span word="thin">thin</span> <span word="layer">layer</span> <span word="of">of</span> <span word="polymer">polymer</span>. <span word="The">The</span> <span word="breakthrough">breakthrough</span>, <span word="researchers">researchers</span> <span word="say">say</span>, <span word="came">came</span> <span word="when">when</span> <span word="they">they</span> <span word="packed">packed</span> <span word="the">the</span> <span word="skin">skin</span> <span word="with">with</span> <span word="enough">enough</span> <span word="sensors">sensors</span>, <span word="up">up</span> <span word="to">to</span> 400 <span word="per">per</span> <span word="square">square</span> <span word="millimeter">millimeter</span>, <span word="to">to</span> <span word="recreate">recreate</span> <span word="the">the</span> <span word="sensations">sensations</span> <span word="of">of</span> <span word="human">human</span> <span word="touch">touch</span>.</p><p>据美国《麻省理工科技评论》杂志（<span word="MIT">MIT</span> <span word="Technology">Technology</span> <span word="Review">Review</span>）报道，韩国和美国的研究人员研发出了一种超薄型传感器，能感知外界的温度、压力和湿度。这种传感器有足够的柔韧性，能被植入一层超薄的高分子聚合物。研究者表示，这种高分子聚合物材质的突破性进展在于，其每平方毫米的传感器数量高达400个，足够让假肢获得真实的感知体验。</p><p>“<span word="If">If</span> <span word="you">you</span> <span word="have">have</span> <span word="these">these</span> <span word="sensors">sensors</span> <span word="at">at</span> <span word="high">high</span> <span word="resolution">resolution</span> <span word="across">across</span> <span word="the">the</span> <span word="finger">finger</span>, <span word="you">you</span> <span word="can">can</span> <span word="give">give</span> <span word="the">the</span> <span word="same">same</span> <span word="tactile">tactile</span> <span word="touch">touch</span> <span word="that">that</span> <span word="the">the</span> <span word="normal">normal</span> <span word="hand">hand</span> <span word="would">would</span> <span word="convey">convey</span> <span word="to">to</span> <span word="the">the</span> <span word="brain">brain</span>,” <span word="said">said</span> <span word="contributing">contributing</span> <span word="researcher">researcher</span> <span word="Roozbeh">Roozbeh</span> <span word="Ghaffari">Ghaffari</span>.</p><p>该项目研究人员鲁兹贝·加法里（<span word="Roozbeh">Roozbeh</span> <span word="Ghaffari">Ghaffari</span>）说：“如果手指假肢能够配置拥有如此高分辨率的传感器皮肤，大脑就可以接收到与正常手指几乎相同的触觉反馈。”</p>
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