1985 Therac-25 | Six patients were given extreme overdoses of radiation for cancer treatment, killing or causing serious injury |
1994 Pentium Processor | Could not calculate certain floating-point divisions correctly |
1996 Ariane 5 rocket | Exploded due to reusing tested software from Ariane 4 - that hadn't been tested for Ariane 5's new route |
1999 Mars lander | Crashed due to english units being interpreted as metric units |
2003 Ohio blackout | An alarm software failed to warn of power failure and caused a blackout from Canada to the US |