A look at four inventions that shocked the world. Ouija, a game that claims to talk to the dead, Dynamite, an explosive invented to save lives, the electric chair and the rollercoaster.

min . 2016-02-13

Meet a young farm worker whose electric idea keeps us entertained, an astronomer who wants to see the birth of stars and an attorney whose copier terrifies governments.

min . 2016-02-20

A look at expensive innovations within the world of crime, including an alarm that keeps the crooks at bay, a device that revolutionises retail and a gun loved by bad guys.

min . 2016-02-27

min . 2016-03-05

min . 2016-03-12

min . 2016-03-19

min . 2016-03-26

min . 2016-04-02