Ask my 5-year-old who her favourite robot is, she’ll quickly tell you “R2D2.” Press her about who her favourite real robot is, and she’ll confidently answer “Curiosity.” The SUV-sized mobile science lab who charmed the internet with its selfies may have captured her imagination, but for my money, little Opportunity has Curiosity beat, hands-down. To date, Opportunity has exceeded its mission by somewhere near 10 years. That’s pretty old for a space robot, it seems, because the flash memory onboard Opportunity has started getting corrupted after being in use for so long. In human terms, Opportunity is having trouble…