Science Saturday – How Transistors Work

Veritasium - TransistorsTransistors are in every electrical item you use, from your washing machine to your tv, your mobile phone, your laptop and on and on and on. Such a tiny electrical switch has helped spawn the micro-revolution that has made the world what it is today.

But what exactly IS a transistor, and why is it so useful and more importantly, what exactly does it do. Well, the folks at Veritasium have posted a really excellent video which explains everything in a way that even I could understand it.

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