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The listening exercises in Business Spotlight Plus (p.15) are based on the article “Prime slime” (Innovation, p. 11). Here, we provide you with the audio file and transcript.
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Prime slime
Not all robots look very high-tech. This ball of slimeSchleim, Glibberslime was developed by scientists at the Chinese University of Hong Kong (CUHK). Thanks to magnetic particles inside, it can be moved and controlled with a magnetic field. And, because it has the consistency of custardEiercremecustard, it can to squeeze into sth.sich in etw. hineinzwängensqueeze into small, hard-to-reach spaces as narrow as 1.5 millimetres. However, it can also to grasp sth.etw. greifengrasp and carry small objects, and repair broken circuitStrom-, Schaltkreiscircuits inside machines, for example. In the future, it’s even possible that the Magnetic Slime Robot could be used in human internal medicine — perhaps to catch objects that people have to swallow sth.etw. schluckenswallowed by accident. “Because this is a gellike material, it’s very soft and there are no sharp edges,” Li Zhang, a professor in the mechanical and automation engineeringMaschinenbau- und Automatisierungstechnikmechanical and automation engineering faculty at CUHK, told the website CNET. com. There are already elastic robots that can grasp things, and fluidFlüssigkeitfluid-based robots that can squeeze into small spaces. This little slime ball combines both qualities in one.