3 موسم
46 قسط
Why Is It So? - Season 3 Episode 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.
- سال: 2012
- ملک: Australia
- صنف:
- اسٹوڈیو: PBS
- مطلوبہ الفاظ:
- ڈائریکٹر:
- کاسٹ: Julius Sumner Miller