Microblog post: "My son is only in 10th grade and look what he invented!! Harvard here we come!". Pictures of a frame that holds a cable that can be attached to the metal of a power plug
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[–] 1 point 6 days ago*

If something conductive falls onto the contacts, it's not bridging anything.

Technology Connections did an episode about why some plugs have holes in the flats. I believe he briefly covered this topic in that video.

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