Making 5 Things from a Broken Hair Dryer

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By: Mehdi Sadaghdar

0:00 What’s inside a Hair Dryer
1:08 Making a Foam Cutter
3:50 Making a Fuse?!
4:21 Making an Engraver
6:04 Making a Smoke Extractor
7:53 Making Power Resistors
9:25 How a Potentiometer Works