Once again, 11 years after the dot-com-era peak of the Nasdaq, Silicon Valley is reaching the saturation point with business plans that hinge on crossed fingers as much as anything else.

11年前的今天，纳斯达克网络泡沫达到顶峰，当时，硅谷的商业计划密密麻麻，已近饱和。

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The hand, which is said to be a "feat of microscale mechanical systems (MEMS), " measures just one millimeter across when closed into a fist, features four "fingers" made of six silicon wafers each, and touts four gas-powered balloons acting as the muscles at the wafers' joints.

ENGADGET: Researchers craft microscale robotic hand for surgeries