Google announced that it is testing prototypes of augmented reality glasses in public places Some prototypes will look like regular glasses and feature microphones and cameras as well as transparent displays. The device has an LED backlight that turns on when the glasses record image data. Google says the glasses will not record video or take photos so users can save and view them later, but they can use the image data to perform functions such as identifying objects or showing the direction of the road. The new glasses are not yet an official company product and are not available to the…