Problem: Canada’s Therac-25 radiation therapy machine malfunctioned and delivered lethal radiation doses to patients,that were there to cure themselves but it was all the opposite for those patients.Start affecting their cells and the immune system.
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.
Cost: Three people dead, three people critically injured.
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