Famous Computer Failure

Radiation Emitter and Testing Rig

Failure: Canada’s Therac-25 radiation therapy machine malfunctioned and delivered lethal radiation doses to patients.

Impacts: The failure of the therapy machine led to the death of three people and three people were critically injured.

Cause: Because of a subtle bug called a race condition, a technician could accidentally configure Therac-25 so the electron beam would fire in high-power mode without the proper patient shielding.

Source: here





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