[DieBuche]

Interesting that the dailymail looks and reads like the onion only it pretends to be for real:

The chips do not error check each other but instead perform exactly the same tasks, so that they can check the other for errors.

[sdeyerle]

Also, according to the article there is only double redundancy. I thought critical systems like this always employed triple redundancy. It doesn't help too much if you detect a fault during launch and have to reboot both systems...