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Charger Cable: What does that circle on your charger cable do? 99% of people don't know its benefits...

Have you ever looked at your phone or laptop charger? You may have noticed a round cylindrical part attached to the charger ...
Popular Mechanics

Tech Clinic

One of the minor mysteries of the electronics world is the small nugget at the end of many data cables. Some wires have it, some don't. Why? According to Jason Meyer, product manager for PC cable and ...