Make Learning Fun With UV LEDs

 by biochemtronics

Step 18: Automotive

accident.jpg
Automotive antifreeze contains fluorescent dyes that glow bright green under UV light. This makes it easy to determine whether leaks are coming from the vehicle's coolant system or some other system like the air conditioning. 

The dye also aids law enforcement officers in recreating accident scenes where one of more vehicle's radiators are damaged during impact. UV light allows the investigation officer to precisely determine exactly where the car was positioned when the radiator ruptured. This can often remove all doubt about who crossed the center line or failed to yield right of way.

Dyes are also available at auto parts stores that can be added to automotive air conditioning systems to aid in determining the source of leaks using UV light.
 
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