roller coaster

How do you deal with a thief that's 230 feet tall and robs you at 80 miles per hour? Hordes of Americans will descend on amusement parks this weekend, so this is a good time to remind everyone of Murphy's Law of Roller Coasters: If your stuff can get loose, it generally will.

Once upon a time, amusement parks were simple. Their sole measure of success was how fun they were, and as long as they continued to update the rides, minimize food poisoning, and keep their admission prices from becoming too insane, they were almost guaranteed a steady influx of visitors. Over...