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Therac-25 Radiation Overdose Failure

The Therac-25 radiotherapy machine had a critical failure condition known as 'Malfunction 54' that resulted in radiation overdoses to patients. The failure was caused by a software error that allowed a sequence of operator actions to bypass safety interlocks. This led to severe injuries and highlighted the risks of relying on software for safety-critical systems.

Science, Medicine, Radiology