Perfecting a robot that bridges the gap will call for advances in almost every facet of modern robotics: artificial intelligence, machine vision, mechanical and electrical design, signal processing.

完善一台填补空白的机器人几乎要求现代机器人每一方面的先进技术：人工智能、机器视觉、机械和电气设计、信号处理。

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Enlisting the help of an engineer, Whelan has spent the past 18 months perfecting the machine and has created a highly adaptable device which snaps on around the wheel of the bicycle.

CNN: Virtuous cycles