Want to be able to track finger movements Minority Report style?希望能够跟踪手指运动少数派报告的风格？ All you need according to Johnny Lee of Carnegie Mellon University is an infra-red LED array and some reflective tape the kind of items you can pick up easy…所有您需要根据约翰尼李卡内基梅隆大学是一个红外线LED阵列和磁带的一些反思什么样的项目，您可以拿起容易...