Why Do Power Lines Have Those Big Colorful Balls On Them?PUBLISHED7 minutes agoWhy Do Power Lines Have Those Big Colorful Balls On Them?Nope, they're not weather sensors.Senior JournalistTom has a Master's degree in Journalism. His editorial work covers anything from archaeology and the environment to technology and culture.View full profileTom has a Master's degree in Journalism. His editorial...
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