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添加时间:2021-05-17 13:14:55 浏览次数: 作者:未知
  • This Robot Made Of Ice Is Designed To Explore Frosty Planets这个由冰组成的机器人被设计用来探索寒冷的行星

    With a re-invigorated space race in the pursuit of a Mars landing – amongst many other upcoming exciting ventures – there have also been some pretty wacky but interesting ideas on how to expand space exploration recently. Last month, Japanese engineers suggested designs for a wooden satellite to combat space junk, and in 2021 could see a remote-controlled car race on the Moon, just because scientists can.


    Jack1 Dunhill

    The latest fascinating innovation comes from people at the GRASP Lab at the University of Pennsylvania, who want to ditch clunky metal robots exploring other planets and replace them with ice. That’s right, they believe that using ice to build robots would allow for easy and cheap construction, and could even self-repair with the abundance of ice on some planetary bodies.


    In their study, presented at the IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS), Devin Carroll and Mark Yim showed a proof-of-concept robot that can be driven around whilst being predominantly made of ice. The IceBot demonstrated that not only can an ice-based robot function, it can survive without melting at room temperature for a while – the authors state that the applications of the IceBot will be in environments cold enough that this wouldn’t pose a problem anyway.


    “One of the challenges to making robots for this field is not only robots are expensive but the natural elements will break them given time,” Carroll said in an interview to IEEE Spectrum2.

    卡罗尔在接受IEEE Spectrum采访时表示:“在这个领域制造机器人的挑战之一不仅是机器人价格昂贵,而且随着时间的推移,自然因素会破坏它们。”

    “Mark and I started exploring the idea of building robots from found material as a way to add robustness3 to robotic systems operating in remote or hostile environments with a secondary goal of reducing the cost of the system.”


    The current problem with planetary rovers and robots is the intense reliability4 they require; should they have a malfunction5 or hit rough terrain6 and break a wheel, in most cases that’s game over for that robot. Sending an entire space mission to fix a solitary7 rover is not going to be viable8 any time soon and planets like Mars rarely stock spare wheels for a quick pit-stop.


    So instead, the researchers turned to one of the last materials anyone would expect robotics to be built out of – ice. Obviously, the circuitry can’t be made out of ice, but the chassis9 and wheels certainly could. If it were possible to create effective robots out of ice, said robot would have an abundance of spare parts literally10 across many planets’ floor. Even better, ice does not need glue or laser cutters to sculpt11 it into shapes and structures, so the robot could likely repair any breaks and even create its own parts in the future. In the meantime, crafting robots out of ice would be much cheaper than the composites used currently and could be used to create disposable bots.


    The IceBot is a very early iteration and exists purely12 as a proof-of-concept, so electronic ice overlords won’t be taking over just yet, but it is certainly an interesting concept. The researchers also state that whilst ice solves some problems, new problems arise, such as transportation13 of the robot would need to be cold enough to maintain its structure.


     9级    双语 


    1 jack [dʒæk] 53Hxp   第7级
    • I am looking for the headphone jack. 我正在找寻头戴式耳机插孔。
    • He lifted the car with a jack to change the flat tyre. 他用千斤顶把车顶起来换下瘪轮胎。
    2 spectrum [ˈspektrəm] Trhy6   第7级
    • This is a kind of atomic spectrum. 这是一种原子光谱。
    • We have known much of the constitution of the solar spectrum. 关于太阳光谱的构成,我们已了解不少。
    3 robustness [rəʊ'bʌstnəs] d234403d7859cbc1df09cdac2136bd62   第7级
    • There were other reasons for concern about the robustness of an economic recovery. 人们还有其他一些原因对经济恢复的健全程度表示关心。 来自英汉非文学 - 政府文件
    • Robustness analysis attracts more and more attention in these years. 鲁棒性分析是近几年学术界较为关注的问题。 来自互联网
    4 reliability [rɪˌlaɪə'bɪlətɪ] QVexf   第7级
    • We mustn't presume too much upon the reliability of such sources. 我们不应过分指望这类消息来源的可靠性。
    • I can assure you of the reliability of the information. 我向你保证这消息可靠。
    5 malfunction [ˌmælˈfʌŋkʃn] 1ASxT   第8级
    • There must have been a computer malfunction. 一定是出了电脑故障。
    • Results have been delayed owing to a malfunction in the computer. 由于电脑发生故障,计算结果推迟了。
    6 terrain [təˈreɪn] sgeyk   第8级
    • He had made a detailed study of the terrain. 他对地形作了缜密的研究。
    • He knows the terrain of this locality like the back of his hand. 他对这一带的地形了如指掌。
    7 solitary [ˈsɒlətri] 7FUyx   第7级
    • I am rather fond of a solitary stroll in the country. 我颇喜欢在乡间独自徜徉。
    • The castle rises in solitary splendour on the fringe of the desert. 这座城堡巍然耸立在沙漠的边际,显得十分壮美。
    8 viable [ˈvaɪəbl] mi2wZ   第8级
    • The scheme is economically viable. 这个计划从经济效益来看是可行的。
    • The economy of the country is not viable. 这个国家经济是难以维持的。
    9 chassis [ˈʃæsi] BUxyK   第12级
    • The new parts may include the sheet metal, the transmission or the chassis. 新部件可能包括钢壳,变速器或底盘。
    • Can chassis and whole-vehicle manufacturers co-exist peacefully? 底盘企业和整车企业能相安无事吗?
    10 literally [ˈlɪtərəli] 28Wzv   第7级
    • He translated the passage literally. 他逐字逐句地翻译这段文字。
    • Sometimes she would not sit down till she was literally faint. 有时候,她不走到真正要昏厥了,决不肯坐下来。
    11 sculpt [skʌlpt] TZux2   第11级
    • When I sculpt, my style is expressionistic. 我的雕刻风格是表现主义。
    • Then, sculpt the remaining fringe parting. 然后雕刻剩余的边缘部分。
    12 purely [ˈpjʊəli] 8Sqxf   第8级
    • I helped him purely and simply out of friendship. 我帮他纯粹是出于友情。
    • This disproves the theory that children are purely imitative. 这证明认为儿童只会单纯地模仿的理论是站不住脚的。
    13 transportation [ˌtrænspɔ:ˈteɪʃn] 9mKwv   第8级
    • The transportation of goods by air costs a lot. 航空运输货物花费很高。
    • He finally solved the difficulty of transportation. 他终于解决了运输的困难。

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