Pocket Gadget reports: "As anyone with a knack for clich's knows, necessity is the mother of invention. However, it could also be said that while good inventions are often the product of necessity, great inventions are accidental. To demonstrate the importance of serendipity, we’ve put together a list of 10 examples of unintentional discoveries that too often we find ourselves taking for granted. In no particular order."
Some of these stories of accidental inventions I have heard before, and others I didn't.