What do a spare tire, a second job, and extra bridge struts have in common?

Answer: They are all forms of Redundancy, which is a Mental Model that refers to ‘over-engineering’ a system to reduce the chances of failure.

Redundancy can be added to all kinds of systems and it can help you prevent disaster down the road. Read on to learn about redundancy in engineering and other ways backups play an important part of your life. [Read more…]