The normal static electricty shock that zaps your finger when you touch a doorknob is usually between 10,000 and 30,000 volts!
The first alarm clock could only ring at 4 a.m.
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10 Things You Didn’t Know
The normal static electricty shock that zaps your finger when you touch a doorknob is usually between 10,000 and 30,000 volts!
The first alarm clock could only ring at 4 a.m.