大家好，我是猛哥。最近我遇到了一个奇怪的朋友。他先天全盲无光感，但打游戏比我厉害多了。比如他踢实况足球，能踢赢最高难度的电脑，打拳皇也特别在行。他叫沈广荣，1996年出生的男孩。他怎么打游戏的我们一会儿再说，因为会打游戏只是他最不值得一提的长处。他的本职工作是一名程序员，最近他参与设计了一只“电子导盲犬”。目前，能让视障人士顺利出行的好办法是让他们拥有导盲犬。不过培养一只导盲犬非常困难，全中国也就200多只。相比于1700万视障人士来说，这个数字太低。因此，电子导盲犬的出现，将极大便利这些视障人士的出行。沈广荣告诉我，电子导盲犬在手机上就能使用，核心来自于一项名为“触觉反馈”的技术。通俗地说就是用手机振动模拟触觉，把它和手机地图结合，能让视障人士在外出时，从手机获得实时的振动提示，就像牵了一只狗。沈广荣能做出这只电子导盲犬，得从他学习打游戏开始说起。讲述者：沈广荣编辑：马修制作：猛哥
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