physics classes you took in school

 Think back to the physics classes you took in school: Angle of incidence (of light) is the same as the angle of www.readinginsurance.us readinginsurance reading insurance Website reading insurance us reflection. Once you are standing slightly to the left to the side, the angles

 change and the flash will not be visible through the windscreen. A torch will help you decide the best place to ensure that the flash will not be visible on the windscreen.