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. |
||
Title: | Shark Repellent | |
Air Date: | October 17, 2015 | |
Runtime: | 30 min | |
grasshopper rex : Everything this country does is self-serving, despite all our assertions that we do stuff ...