An infrared camera could record which keys you pressed .

红外摄像头可以记录下你所敲击的按键。

Like the kinect , the leap relies on infrared light .

和kinect一样，leap靠红外线来捕捉动作。

In infrared light , shorter wavelengths look blue , and longer wavelengths appear red .

红外光下，较短的波长会程现蓝色，而较长的波长则程现红色。

Images produced with color infrared film have a unique look .

用彩色红外胶片拍摄的图像会有一种独特的效果。

All four infrared detectors aboard wise were used to make this image .

船上所有四个红外探测器被用来获得这一图片。