He wanted to try the safety features out for himself. Interestingly, the purple dot that turns into a very concentrated blue dye is not soluble in isopropyl alcohol at all. I sprayed a little on ...
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So long, purple streetlights. Only a handful of the lights remain on Wisconsin interstates.Despite the popularity from the public, the DOT announced the ... it exposes the LED's blue color and the issue causes the lights to transition from white to purple over time.
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