How to make a spiral wire

Hi my dear friends. I’d like to show you a great idea of how to make a spiral wire. First, we need a USB cable or a cell-phone, tablet or other charging cable, which confuses you and you want to shorten it. Then, we need an electrical tape, don’t use scotch tape as it melts


How to make a plastic foam cutter

Hello my dear friends. Today I decided to make a table for nickel-chromium cutter. You may be wondering for what I need it, if the cutter works well. I need it to cut plastic foam. If we cut plastic foam with two handles, or even attach weight, it will cut not evenly, but curly, as


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


Speaker made of a balloon!How to make it?

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