What is the definition of Prospective Engineering?

Prospective engineering, folks, is like the super-scientist version of a bad dream come to life. It's all about designing and planning future solutions before they even exist, like having a mind-bendingly accurate crystal ball that predicts the next big tech trend. But here's the kicker: it's so forward-thinking that it can sometimes turn into a nightmare scenario.

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Example sentence: "With prospective engineering, we might've invented time-traveling vacuum cleaners by the end of next year, but instead, we ended up with a vacuum that decided to take a nap in the laundry basket while we were busy cleaning."