Technology and innovation has changed the face of the world and catapulted the human imagination into the fantasy realm, but some of the most ground breaking inventions where discovered purely on accident.
Talk about a few, we take a look at the mystery of the melting chocolate bar, the accidental invention of the pacemaker - caused by the inventor picking the wrong resistor, and the unplanned discovery of the friction matches.
Here Broadband Wherever takes a look at some of the most important accidental discoveries in science and technology.
