机器鱼
Robo fish
Dr Couzin has been using a program developed by Colin Twomey, a graduate student at hislaboratory, to track individual fish in a tank. The result is not just a model of shoaling fish,but a precise numerical representation of their actual movements and fields of vision. Thatmeans it is possible to investigate whether real-life fishy leaders have the same effect on agroup as their virtual kin.
Couzin博士一直在使用研究生科林图梅开发的一个程序,该程序能追踪鱼缸里的鱼的行为。研究结果不仅能反映整个鱼群的活动,并且能用数字精确地表示出鱼群的确切行动和视野。这意味着它可以研究出是否鱼群中的 领导 对整个鱼群有影响。
Alas, merely observing a shoal does not make it clear which individuals lead and whichfollow. Instead, Dr Couzin has built a biddable robot three-spined stickleback. A preliminarystudy of a shoal of ten flesh-and-blood sticklebacks shows that they do indeed mingle withthe robot and that they follow its leadership cues as predicted. He is now making a robotpredator to see how the shoal reacts to less benign intruders.
唉,只观察鱼群不能说明鱼群中谁是领导,谁是追随者。相反,Couzin博士已经设计了一条机器三刺鱼。通过把机器三刺鱼跟10条真正的三刺鱼混在一起对进行研究正与先前的预测一样,他们的确听其号令。现在,博士正在做一个机器捕食者,看看鱼群对这些凶恶入侵者将会会做出如何反映。
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