Journal: IBM tests prototype system by blasting it with proton beam

In an article at news.com titled IBM's Power6: Bigger iron, lower power, the author notes at the end of the article that "To simulate adverse conditions, IBM runs Power6 systems at the wrong end of a proton beam. The testing showed that a system is able to recover from about 3,400 random software errors before one slips through and causes undetected data corruption..."