Quiz: What Do You Know About Airport Engineering?

Summer travel is in full swing, bringing all the fun and stress that comes with it. Maybe you're the person who arrives at the airport four hours early because "you never know," or maybe you're chill about calling a rideshare when your flight is boarding in 58 minutes. Either way, chances are you've spent plenty of time wandering terminals wondering about the things you usually take for granted. Like, why do some airports let you keep your shoes on while others don't? And what is that machine actually scanning?

For all the delays, gate changes, and overpriced sandwiches, airports are remarkable feats of engineering. Every flight relies on thousands of carefully coordinated systems working together to get millions of people where they're going. So grab your passport and prep for takeoff: It's time to see how much you know about the engineering behind air travel with this ASME quiz.