TECHNOLOGY
How to put a picture onto metal. Metal etching with an ear stick
Hello my dear friends! Roman is here with you as usual! Today I’d like to tell you how to put a picture onto any metal at home. I think this topic will be especially interesting for fisher men, hunters, or knife amateurs. We need a power supply, you may take computer or cell-phone power supply,
How to make a pen taser
Hello my dear friends! In today’s video I’m going to show you how to make a spy electric shock pen. In order to make this pen we need one small nail, two lighters. First one is for heating a nail, and the second one to remove a piezoelectric element from it. We need a pen,
How to make a mini USB vacuum cleaner
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 mini vacuum cleaner. Firstly, we need 3 syringes. 2 syringes for 50 ml, and one insulin syringe for 1 ml, a small motor, I took it from a DVD drive. It has
How to make a periscope
Hi everybody! We all know that periscope is one of the main attributes of submarine, as it allows to observe sea nature without coming up to surface. Periscope is also used by land forces. Periscope is used, for example, when it’s necessary to watch a certain surface out of the trench without risking and sticking
How to use a mini drill with a fixed-spool reel
Hello my dear friends. In today’s video I’d like to show you how to use a mini drill with a fixed-spool reel. . I wanted to postpone this video as I haven’t got a package with threads for fly knitting yet. So today I’ll try to show you an example using simple nylon threads. I’d
How to make a splitter
Hello my dear friends. Roman is here with you as usual. The other day I decided to watch an interesting movie, but unfortunately, I couldn’t play it loud, as I wasn’t alone in the room. That moment I’ve got an idea to make an extension cord for headphones to watch films laying in bed, instead
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 spark plug tester
Hi everybody! Almost each automobile driver faced the issue when it was necessary to check the igniting system, exactly, the spark plug of a car. We can do it on our own without the help of the car services specialist. First, you need to remove all the spark plugs from the head of cylinder blocks.
How to make a folding chair for fishing
Hello my dear friends! In today’s video I’m going to tell you how to make a chair for fishing or picnic. Firstly, we need 3 wooden pins of 60 cm in length and 4 cm in diameter each, also we need one eye bolt with a disk and a screw, one simple bolt with a