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

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Hi my dear friends! In today’s video I’d like to show you a great idea on how to make the simplest soldering iron. To make the simplest soldering iron we need a candle, a small piece of a copper wire, one screw, wooden brick and a square piece of plywood or wood laminate and so

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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

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Hello my dear friends! Roman is here with you as usual! In today’s video I’d like to show you how to make a small hydrogen generator with ten razor blades. Firstly, we need power supply unit for 5-12V and from 0,5 to 2 amp of strength of current. Then copper wires, a glass jar with

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Hello my dear friends! Roman is here with you as usual! Today I’d like to tell you how to make a speaker out of a simple balloon. We need to take a scotch tape, a balloon, a magnet and a copper wire. So, let’s start! First, we need to inflate the balloon. Then we take

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