Construction of a Robotic Arm by T. Migimatsu – Stanford Ph.D. Student ″Do you know a human arm has more than 100 dimensions of movement?″ ″Do you know what makes a robotic arm move?″ ″Do you know what academic subjects are most required if you want to build a robot?″ When I sat down to […]
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你知道每只鲸鱼的尾巴都有不同的记号吗？
你知道科学家用这些记号来识别及追踪每只鲸鱼吗？
你知道在20世纪，短短的100年中，近300万只鲸鱼被人类残杀吗？
你知道现在鲸鱼面临最大的危险是什麽？
最近在一场精彩的演说及後来的访问中，科学家里查德 (Ted Cheeseman) 提供了丰富的资讯及解说。他解释每只鲸鱼的尾巴，都会因为不同的遭遇而留下不同的记号。有的是天生，有的是被杀人鲸攻击所造成，有的是寄生在鲸鱼身上的甲殻动物，所排列的不同形状，但是最触目惊心的是由船只的引擎及渔网所造成的伤痕。
“A Whale of a Tale” as Told by Ted Cheeseman Courtesy: www.happywhale.com Courtesy: www.happywhale.com Do you know that every whale has distinctive markings on its tail? Do you know that scientists are using these unique markings to track whales? Do you know that in the 20th century, 3 million whales were killed by people? Do
