根据美国劳工统计局的估计,去年美国雇佣了超过一百万的安保人员。但这些安保人员的时薪是Knightscope机器人收费6.25美元的两倍以上,这一数字会吸引一些公司和学校尝试使用机器人保安。十一月一个温暖的下午,当太阳落下地平线时,在微软硅谷园区的1号大楼前有一些正在巡逻的亮白色机器人,它们四个一组,每个有五英尺高、300磅重, According to the U.S. Bureau of Labor Statistics, the United States hired more than a million security guards last year. But the salaries of these security guards are more than double the Knightscope robot charge of $ 6.25, a figure that will attract some companies and schools to try robotic security. On a warm afternoon in November, when the sun sets the horizon, there are bright white robots patrolling in front of Building 1 in Microsoft’s Silicon Valley Park. They are four in groups of five feet and 300 pounds each,