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>So if enough 737's crash into the water Boeing will start making submarines?

Maybe?

https://en.wikipedia.org/wiki/Post-it_note

>In 1968, Spencer Silver, a scientist at 3M in the United States, attempted to develop a super-strong adhesive. [...]

>Post-its were launched across the United States in 1980.[20][21] The following year, they were launched in Canada and Europe.[22] Post-it Notes as we know them were patented by Fry in 1993 as a "repositionable pressure-sensitive adhesive sheet material".[23]

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Another one that to me is equally impressive: instant glues

https://en.wikipedia.org/wiki/Cyanoacrylate

The first thorough research went into them when looking for new clear plastics, and this route of making them was ruled out because it would rather stick to everything than ease the production of objects with nice optical properties. The story goes, it was so annoying to work with that it was initially shelved, and only years after being considered again and ruled out again for a different project, the utility of its reliable and fast bonding was fully appreciated.

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