Hacker News Reader

Or even a design that allows for self righting. You can find many of these in highschool robotics club battle bots.

Obviously much more complex, but probably cheaper than redundant everything.

Mars Pathfinder did exactly this. It was a tetrahedron which could land in any orientation. As it happened they rolled a 4, but if it was on one of the other 3 sides it would have pushed itself upright as the sides folded open.

https://en.wikipedia.org/wiki/Mars_Pathfinder

Reply on news.ycombinator.com