神奇纸片机器人，预热能够变形
    哈佛大学Wyss研究学院展示出了他们所发明的一款可以折叠的软体机器人Rollbot。它看起来像张小卡片，但只要把它放在桌子上它就能自动的卷成五角轮往前跑。据悉，它的材质是一种叫液晶弹性体的活性材料，这种材料zui大的特点就是预热能够改变形状，在温度达到200摄氏度的平板上就可以运动起来。

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Image Systems - X Ray Monitor model M21P-H5101 21"

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