Blue World
cestovanie, E8, S5, 2016
Quirky Science
E12 The invention of "waves" - as in radio waves or electro-magnetic fields - has led to many great inventions. Radio waves transmit music, conversations, pictures or data invisibly through the air, over thousands of miles - it happens every day in thousands of different ways. Even though radio waves are invisible and completely undetectable to humans, they have totally changed society. Whether we are talking about a cell phone, a microwave oven, our TV's, RADAR systems or any one of the thousands of other wireless technologies, all of them use radio waves to communicate. But what are radio waves? Radio waves are a force that is created when you combine magnetism and electricity: so called electromagnetism. How did we discover all this? Many men were involved: In the 18th century, Luigi Galvani made frog legs twist; Benjamin Franklin used a kite and a key during a thunderstorm; in the 19th century Hans Christian Oersted saw a needle move every time he switched on the...
Daha fazla...
Açıklama
S05E08 In a shark-filled adventure, Jonathan travels to the Bahamas to meet Neal Harvey, a world-renown shark handler who will attempt to teach Jonathan how to put Caribbean Reef sharks into a relaxed state known as tonic immobility! Then, Jonathan heads to NASA's Neutral Buoyancy Lab in Houston, Texas (USA), where astronauts train for space walking underwater, in a giant pool about half the size of a soccer field. Jonathan gets a rare and fascinating look into this high-tech diving as he ventures underwater with the astronauts.
TV programı
| Kanal | Zaman | Başlık |
|---|---|---|
 |
Cumartesi, 17:35 | Blue World |
|
Cumartesi, 18:00 | Blue World |
|
Pazar, 17:35 | Blue World |
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Pazar, 18:00 | Blue World |
|
Perşembe, 20:20 | Blue World |
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Perşembe, 20:45 | Blue World |