在 Chrome 浏览器上打开，界面如下所示：你能清晰地看到一条由密密麻麻的盲文符号组成的“蛇”在地址栏里爬动，即「长的点」代表贪吃蛇，「单个点」是食物，吃掉小点点代表的食物，身体一点点变长。

On the control side, robots have a sort of brain. Usually, it’s a combination of dedicated chips and software. The control system takes in signals from sensors, runs the numbers, and tells the muscles ...