The act of gluing two things together was once a time-consuming and often messy process. Generous amounts of an adhesive had to be applied, then clamped into place until the glue finally cured and ...

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Have you ever reached for a bottle of Elmer’s glue, craft glue, or another adhesive that has been up on a shelf for a few months (or a few years), only to discover that it has completely dried out?

Many inventions happen not by design but through failure. They don’t happen through the failure directly, but because someone was paying attention and remembered the how and why of the failure, and ...