NASA sent a panel engraved with waveforms to Jupiter’s moon. Here’s what the squiggles mean

If there’s one thing NASA is inarguably brilliant at, it’s recognizing possibility. And that’s exactly what happened when engineers working on the Europa Clipper spotted a flat, otherwise unremarkable piece of metal protecting some critical electronics of the space probe, and emailed Preston Dyches about it. Did he and his team want to put something on it?  “It was a blank canvas,” Dyches, who is a Senior Public Engagement Specialist at NASA’s Jet Propulsion Laboratory,...