Along the I-89 motorway, near the Bolton Falls Hydro Station, one can notice these big orange balls hanging on some power lines. This is what intrigued Maggie, an 8-year-old girl from West Chester, Pennsylvania, who asked: "What are these orange balls on some power lines?" The question makes sense when one learns that it's a safety element for aviation, explained by a professor specializing in electrical systems in the series "Curious Kids" of T…
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Along the I-89 motorway, near the Bolton Falls Hydro Station, one can notice these big orange balls hanging on some power lines. This is what intrigued Maggie, an 8-year-old girl from West Chester, Pennsylvania, who asked: "What are these orange balls on some power lines?" The question makes sense when one learns that it's a safety element for aviation, explained by a professor specializing in electrical systems in the series "Curious Kids" of T…