Emergency warning lights

 

The use of the blue emergency light originated back in Germany during World War II. As a result of the ‘Verdunkelung’, a black-out measure, cobalt blue was regulated to replace the red color used until 1938 in emergency vehicle lights. Due to the wavelength of blue and scattering properties, it was not visible in few situations. So it was switched from blue to red.

Emergency vehicle lighting is generally used to clear the right of way for emergency vehicles, or to warn approaching motorists of potential hazards, such as a vehicle that is stopped or moving slower.It may also be used to provide specific directions to motorists, such as a command to pull over.

The use of emergency beacons is restricted by law in many jurisdictions only for responding to an emergency,, initiating a traffic stop, bona fide exists in the road. Most private security agencies have special permits that allow them to use beacons in specific areas. It has yet to be determined whether autonomous vehicles will be required to carry lights, or what colors or patterns they might exhibit to warn off aggressive human drivers.

The simplest form of lighting is a steadily burning lamp. Due to the applications of physics in our day-to-day life, these kinds of ideas are developed. Using simple mechanics huge achievements are remarked!

Education is about understanding and applying the things we learn every day.

By: Renuka Devi (FullFry)