The most daunting real-world problem Roth has solved so far: New York City's high school match, which he tackled in 2003.

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The puzzle boxes are excellent tools for teaching these same skills to design engineers and are equally successful in captivating the minds of kids in real-world problem solving with a tangible reward for success.

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"If you throw municipal bonds into disorder, you're going to have a real world-class problem, " Ross was quoted as saying at a luncheon in New York.

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The problem is, real-world data proves this claim is wrong.

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Cases are thoroughly researched summaries of how real-world companies have approached and overcome a particular problem or challenge.

CNN: Schools look to expand resources

If an Android Police source really did come across a leaked future build of Google Wallet as he claims, though, we may know how Google surmounts that problem: going old school with a real-world card.

ENGADGET: Google Wallet update purportedly leaks plans for a real-world card, transfers and transit passes

Sounds ingenious, the problem is the technology is patented, expensive, difficult to achieve in real-world manufacturing, unreliable and easily defeated by anyone with a nail file.

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The real problem is an antiquated air-traffic control system "that is essentially based on World War II-era technology, " says Victoria Day, a spokeswoman with the Air Transport Association, the industry's lobby group.

NPR: Attention, Airlines: This Is Your Passenger Speaking