While orange ones are most common, these power line balls also come in other colors, such as white and yellow. And they are ...

If you have paid close attention to power lines, you might have noticed metal spring-like structures close to the transmission towers. These spring-like structures are known as lightning arresters, ...

Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to ...

We've all seen the orange, yellow, or white balls on power lines, while driving or walking past them. The colored balls seem to always be there, and there's a good reason for that: The safety of ...