Remember the old Crazy Glue commercial where the guy suspended himself from his hard hat with just a dab of the adhesive? If he had been using the sugary compounds this bacteria naturally produces, he could have suspended a dump truck with the same amount.
"Everything comes to him who hustles while he waits," Thomas Edison once said. But is hustling all it takes? Is progress always deliberate? Sometimes genius arrives not by choice—but by chance. Below are our ten favorite serendipitous innovations.