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In engineering, any destructive test which results in the system under test being destroyed even if the system passes the test. Usually done more for the entertainment value of destruction instead of achieving any scientific end. Refers to the Renaissance-era test in which a (supposed) witch was thrown into a large body of water--if she drowns, she's not a witch..if she floats, she's a witch and was killed by another method. Both results of the test result in death.
Me:"Don't send your antique radio to Ignautius, he only does witches tests."
My friend:"What does he do?"
Me:"If a fuse blows he replaces it with a higher amperage fuse until something else blows."
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