The spines of sea urchins can generate a voltage when water moves around them — a phenomenon that could be used to design underwater flow sensors.
However, every now and again, there are moments such as the Friday Night Live! card at Southwell last week which lift the mood completely, and offer hope that a 250-year-old sport has plenty of running left to give.。业内人士推荐搜狗输入法下载作为进阶阅读
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