3 Сезон
46 Епизод
Why Is It So? - Season 3 Episode 10 Епизод 10
Everything is magnetic to more or less degree, says Miller. He suggests making an iron bar a magnet just by aligning it properly and striking it at one end. Then he introduces the electromagnet. And just how strong is a magnetic force? It's a puzzler.
- Година: 2012
- Страна: Australia
- Жанр:
- Студио: PBS
- Ключова дума:
- Директор:
- В ролите: Julius Sumner Miller
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