目标是什么？只需挥动手掌即可控制鼠标光标。一旦启动程序，窗口将显示你的网络摄像头画面，并实时叠加手部骨架。你电脑上的光标会跟随你食指的移动而移动。这几乎就像隔空移物—你无需触碰任何物理设备，就能操控数字对象。

We earn commissions from purchases you make using links in our articles. Learn more. There are many different backup cameras on sale today across a variety of price ranges. After years of delay and ...

Focus on One Area: Robotics is broad. You could focus on programming first, then move to electronics, or vice versa. Trying ...

To see live stream videos from weather cameras in Oakland, Emeryville, along Highway 4 in Bay Point and other places in the San Francisco Bay Area, click on the location name below each image.