Blue World
cestovanie, E4, S5, 2016
Quirky Science
E05 Plastic has become ubiquitous. Impressive, since we'd been living without them for centuries! We have grown dependent on plastics in many ways. The production industry uses it to connect the parts that make machinery: our trillions of toilet bowls need it, let alone wash machines, computers, toothbrushes, pens and traffic lights. Can you imagine that plastic was accidentally invented for the purpose of making billiard balls? Though, its inventor had used something now called guncotton, which led to a rather explosive game of pool. In the end, the first plastic was discovered when someone witnessed how Southeast Asian farmers used the poop of a little beetle, called shellac, to preserve wood. When looking for a substitute, Leo Beakeland created "Bakelite" and that substance turned out to be the first plastic. Nylon followed, the first man-made synthetic plastic, developed by Dupont to replace silk. Nylon isn't that difficult to make yourself, amazingly. During WW2 all nylon...
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Kuvaus
S05E04 Cave diving is the most difficult and dangerous type of diving, so the training to become a certified cave diver is arduous. This episode documents Jonathan's actual cave training in the Bahamas and follows him as he learns how to dive safely in the overhead environment of a cave in an attempt to earn his full cave diver certification.
TV-opas
| Kanava | Kesto | Nimi |
|---|---|---|
| torstai, 20.20 | Blue World | |
| torstai, 20.45 | Blue World | |
| lauantai, 17.35 | Blue World | |
| lauantai, 18.00 | Blue World | |
| sunnuntai, 17.35 | Blue World | |
| sunnuntai, 18.00 | Blue World |