How to make an electric magnet with the nail

Hi everybody! Today I’d like to tell you how to make a simple electric magnet. May be somebody already know that, or studied at physics or crafts lessons. Well, let’s start. I’m going to show it for those who do not know it yet. We need a copper wire, an electrical tape, AA battery, a

How to make a mini Tesla coil

Hello my dear friends! According to your numerous requests in today’s video I am going to show you how to make a mini Tesla coil. What is needed for making it? In order to make a mini Tesla coil we need one switch, one resistor for 22 kilohm, a transistor 222A, a crown connector, PVC