'We can lose three [computers] and still ride through’: Inside the 8-CPU brain of NASA’s Artemis II that ‘votes’ on every move

Artemis II.

• The Orion spacecraft uses eight processors running identical instructions simultaneously
• A fail-safe design prevents faulty computers from sending incorrect commands
• Triple redundant memory corrects single-bit errors automatically on access

The NASA Artemis II mission relies on a computing system built to remain operational under extreme conditions and hardware faults.