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Re:USB Type-C to Become More Secure with Authentication Stan... by xxs on Thursday January 03, 2019 @03:39AM (#18813708)
You can feel lower voltages if you fingers are injured, or if you... lick them.

As kids (6-9y) we used to test the voltages of 3R12 (4.5v) by touching the poles with tongue, a sharp bites - the battery was good.

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