Each warm season from spring to autumn throughout recorded history of human existence it bugged various harmful insects, and the stronger the closer to nature it is. And the most common of them, of course, the mosquitoes, Yes flies. Fight with them man was always and everywhere, but a complete victory is still to win could not. But it is known that even a mosquito can not give to sleep all night and flies to interfere with the work that can bring peace of mind. Therefore, a “weapon” against them (for example, an ordinary fly swatter) should always be ready and at hand.
PENCIL-SURVIVOR
In No. 12 “M-K” for 1984 described how to lengthen short pencil cut with a thin-walled tube. I’m here for several years are not a pipe extender, and a cap from a ballpoint pen. Pencil it lasts very well. When you are finished drawing, I put the cap on the sharpened part of the pencil Read more…
HOW TO MAKE “ACCORDION”
For the photographic enlarger can be adapted and ready-made fur — like the old camera. If you find this does not succeed, do not worry — it is quite possible to do yourself.UNDER THE CONTROL OF THE HEADLIGHT
Simple alarm mounted on the unit, always notify the driver of the motorcycle, is the Pampa, remember that you need to turn on the light or switch it to high beam. To make such a device very easy. It is a small mirror, cut from strips of aluminium, curved and fixed on the rim of Read more…
CONTROL LINE SPEED
Master of sport international class, world record holder Vladimir Malinkin today recognized as the leader of korovikov, speakers with high-speed models.SMALL SPOOL, BUT PRECIOUS!
To find a suitable engine for snowmobiles — the task is far from simple. Series motors in many aspects (in particular, power density) does not satisfy the Amateur designers. This makes certain enthusiasts to elect quite difficult, but the right way is to create motors own designs, using components and parts of serial.“SOFT” AND “MANUAL” BIKE
With age the skeletal system, particularly the spine, is exposed to specific diseases. Begin to affect migrated younger overload, sports and work injuries. But at the same time and the habit of walking and by bike turns into a necessity. Thank you as with minimal cost to improve a simple road bike, making it more comfortable and “softer”. And I think I have successfully solved the problem of depreciation.BONE — IN!
The configuration and structure of many fruit seeds and nuts are so beautiful that they are often used for making various kinds of jewelry and craft projects. And for clothes of coarse fabric, a cloth, knitted products from them you can make some decorative buttons. Bones, the shell is carefully polished and coated with lacquer Read more…
COMBINATION LOCK
About code locks wrote more than once. However, most of them are difficult to repeat. Design suggested by our Bulgarian friends (the journal “Radio Television Electronics”), devoid of this shortcoming. For opening this lock simply insert the key and complete the circuit with the resistor R1 a certain value (it is mounted in the housing of the key). If the resistance will be different from that specified on the schematic, the relay does not work and the lock will not unlock.TUBE — OUTSIDE
Once I took off the rubber hose and clamp under the right hand was not. Then I picked up steel ring of internal diameter slightly greater than the diameter of the hose, and cut a wooden conical tube. By threading the hose into the ring, using the tube can be easily adjusted water flow and, Read more…










