鞋子充电器 边走路边充电
<p><span word="The">The</span> <span word="nightmare">nightmare</span> <span word="of">of</span> <span word="your">your</span> <span word="mobile">mobile</span> <span word="phone">phone</span> <span word="running">running</span> <span word="out">out</span> <span word="of">of</span> <span word="power">power</span> <span word="mid">mid</span>-<span word="conversation">conversation</span> <span word="could">could</span> <span word="be">be</span> <span word="over">over</span>, <span word="for">for</span> <span word="researchers">researchers</span> <span word="at">at</span> <span word="the">the</span> <span word="University">University</span> <span word="of">of</span> <span word="Wisconsin">Wisconsin</span> <span word="have">have</span> <span word="invented">invented</span> <span word="a">a</span> <span word="device">device</span> <span word="that">that</span>, <span word="placed">placed</span> <span word="in">in</span> <span word="a">a</span> <span word="shoe">shoe</span>，<span word="can">can</span> <span word="harvest">harvest</span> <span word="the">the</span> <span word="kinetic">kinetic</span> <span word="energy">energy</span> <span word="from">from</span> <span word="walking">walking</span> <span word="to">to</span> <span word="power">power</span> <span word="a">a</span> <span word="mobile">mobile</span> <span word="phone">phone</span>。</p><p><span word="Scientists">Scientists</span> <span word="have">have</span> <span word="been">been</span> <span word="working">working</span> <span word="for">for</span> <span word="years">years</span> <span word="on">on</span> <span word="trying">trying</span> <span word="to">to</span> <span word="harness">harness</span> <span word="the">the</span> <span word="energy">energy</span> <span word="produced">produced</span> <span word="from">from</span> <span word="walking">walking</span>, <span word="which">which</span> <span word="theoretically">theoretically</span> <span word="is">is</span> <span word="sufficient">sufficient</span> <span word="to">to</span> <span word="power">power</span> <span word="a">a</span> <span word="light">light</span> <span word="bulb">bulb</span>, <span word="smart">smart</span> <span word="phone">phone</span> <span word="or">or</span> <span word="even">even</span> <span word="a">a</span> <span word="laptop">laptop</span>。</p><p><span word="But">But</span> <span word="until">until</span> <span word="now">now</span> <span word="their">their</span> <span word="solutions">solutions</span> <span word="have">have</span> <span word="been">been</span> <span word="too">too</span> <span word="cumbersome">cumbersome</span>, <span word="or">or</span> <span word="have">have</span> <span word="not">not</span> <span word="produced">produced</span> <span word="enough">enough</span> <span word="power">power</span> <span word="to">to</span> <span word="be">be</span> <span word="useful">useful</span>。</p><p>藏在鞋子中的行走充电装置</p><p><span word="Now">Now</span>, <span word="engineering">engineering</span> <span word="experts">experts</span> <span word="Tom">Tom</span> <span word="Krupenkin">Krupenkin</span> <span word="and">and</span> <span word="Ashley">Ashley</span> <span word="Taylor">Taylor</span> <span word="say">say</span> <span word="they">they</span> <span word="have">have</span> <span word="come">come</span> <span word="up">up</span> <span word="with">with</span> <span word="a">a</span> <span word="technology">technology</span> <span word="which">which</span> <span word="can">can</span> <span word="produce">produce</span> <span word="as">as</span> <span word="much">much</span> <span word="as">as</span> <span word="a">a</span> <span word="hefty">hefty</span> 10 <span word="watts">watts</span> <span word="of">of</span> <span word="power">power</span>。</p><p><span word="After">After</span> <span word="testing">testing</span> <span word="various">various</span> <span word="liquids">liquids</span>, <span word="the">the</span> <span word="researchers">researchers</span> <span word="chose">chose</span> <span word="a">a</span> <span word="metal">metal</span> <span word="alloy">alloy</span> <span word="called">called</span> <span word="Galinstan">Galinstan</span>. <span word="Used">Used</span> <span word="in">in</span> <span word="thermometers">thermometers</span>, <span word="it">it</span> <span word="is">is</span> <span word="similar">similar</span> <span word="to">to</span> <span word="mercury">mercury</span> <span word="but">but</span> <span word="not">not</span> <span word="poisonous">poisonous</span>。</p><p><span word="Two">Two</span> <span word="small">small</span> <span word="pouches">pouches</span>, <span word="placed">placed</span> <span word="in">in</span> <span word="the">the</span> <span word="bottom">bottom</span> <span word="of">of</span> <span word="a">a</span> <span word="shoe">shoe</span>, <span word="are">are</span> <span word="filled">filled</span> <span word="with">with</span> <span word="the">the</span> <span word="fluid">fluid</span> <span word="and">and</span> <span word="generate">generate</span> <span word="a">a</span> <span word="current">current</span> <span word="whenever">whenever</span> <span word="they">they</span> <span word="are">are</span> <span word="compressed">compressed</span> <span word="by">by</span> <span word="the">the</span> <span word="foot">foot</span>’<span word="s">s</span> <span word="up">up</span> <span word="and">and</span> <span word="down">down</span> <span word="motion">motion</span>。</p><p><span word="Transferring">Transferring</span> <span word="the">the</span> <span word="energy">energy</span> <span word="from">from</span> <span word="a">a</span> <span word="device">device</span> <span word="in">in</span> <span word="a">a</span> <span word="foot">foot</span> <span word="to">to</span> <span word="a">a</span> <span word="phone">phone</span> <span word="in">in</span> <span word="the">the</span> <span word="hand">hand</span> <span word="presents">presents</span> <span word="an">an</span> <span word="obvious">obvious</span> <span word="hurdle">hurdle</span>。</p><p><span word="Rather">Rather</span> <span word="than">than</span> <span word="plugging">plugging</span> <span word="a">a</span> <span word="cable">cable</span> <span word="into">into</span> <span word="a">a</span> <span word="shoe">shoe</span>, <span word="the">the</span> <span word="Wisconsin">Wisconsin</span> <span word="researchers">researchers</span> <span word="suggest">suggest</span> <span word="installing">installing</span> <span word="a">a</span> <span word="wireless">wireless</span> <span word="transmitter">transmitter</span> <span word="in">in</span> <span word="the">the</span> <span word="heel">heel</span>. <span word="This">This</span> <span word="could">could</span> <span word="make">make</span> <span word="radio">radio</span> <span word="contact">contact</span> <span word="with">with</span> <span word="mobile">mobile</span> <span word="phone">phone</span> <span word="base">base</span> <span word="stations">stations</span>。</p><p><span word="Professor">Professor</span> <span word="Krupenkin">Krupenkin</span> <span word="said">said</span>: "<span word="Humans">Humans</span> <span word="were">were</span>‘<span word="very">very</span> <span word="powerful">powerful</span> <span word="energy">energy</span>-<span word="producing">producing</span> <span word="machines">machines</span>’ <span word="that">that</span> <span word="could">could</span> <span word="produce">produce</span> <span word="as">as</span> <span word="much">much</span> <span word="as">as</span> <span word="a">a</span> <span word="kilowatt">kilowatt</span> <span word="of">of</span> <span word="power">power</span> <span word="while">while</span> <span word="sprinting">sprinting</span>."</p>
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