Mentally asked, now a lot of cars and the like, headlamps are the same with a glass ball. Protruding, looks very domineering, with the eyes, that is what light? Very high technology? And other cars like Buick Excelle, that glass ball will move, as if the steering wheel when the headlamps will follow the move! The What is the technical principle?
Is it xenon lamp? Turn on the lights
The purpose is to solve the xenon lamp light source area, astigmatism problem
Lens, the principle and the time of the magnifying glass to burn the dead ants the same reason
