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RE: #GOOGLYEYES CHALLENGE/ SUMMER

in #googlyeyes7 years ago

hahaha... now that doesn't make too much sense :P

Did you know that CFL bulbs do emit UV of their own?

Fluorescent lamps have a glass envelope which filters out ultraviolet radiation but, in some cases, some UV radiation can get through. Using double glass envelopes dramatically reduces the amount of UV radiation emitted.