Featuring the DC-3. Host Mo Rocca shows us what device is keeping sharks away from swimmers; the video doorbell connected to your smartphone; the history of the DC-3 airliner; and the coating for plastic bottles that gets the last drop.
In the mid 20th century, the 'computer' was a behemoth - a 2-tonne machine that sat in research labs and university tech centers, inaccessible to the public. But not for long. In the 1980s, Bill Gates and Steve Jobs broke out in a heated battle to bring the computer to the masses. The race is one to see who will run the world's personal computers-a battle in which Jobs' ego may get the best of him.