NASA somehow managed to fix Voyager 2 from 11.5 billion miles away

When you're trying to fix something, it helps to have that thing right in front of you. For NASA engineers, that's often not possible, and when something goes wrong with a rover, satellite, or space probe, they have to figure out the problem and tell the high-tech machines what to do to make themselves right again. It's a tricky process, but NASA has gotten pretty darn good at it over the years. The latest example of those incredible skills came this week when the aging Voyager 2 probe started a...