In our self-similar groups the foam — some of the most popular materials. One day we read in the “M-K” (No. 9, 1977) about the different ways of processing foam. We liked most of the foam cutting hot wire. We did a few of their stanochki and accessories and we offer readers “M-K” is one of them. It’s called “Electrothermal Board cutter”. All the details of it mounted on a wooden U-shaped panel assembled and glued plywood 12 mm. Cutting tool is nichrome wire thickness of about 0.5 mm, sandwiched by two M8 bolts, drilled through by a drill bit Ø 2 mm. Supported by her taut arc spring strip steel with a thickness of about 2 mm, privernuty to the panel with two screws M8.
THERMOELASTIC FOAM
The unit, working two or three hours a month, can cause at best confusion, and yet well known vacuum cleaner is used in this way useless waiting in the pantry. Having built the design shown in the figure, you simultaneously and make your vacuum work more productive, and will save the kitchen, and the apartment — specific odors.
This device is designed to automatically turn on exterior lighting after dark, and, accordingly, the automatic switch-off at dawn, which is always important, especially in terms of country of residence in order to save energy resources.
The idea of compression of air and practical use of its in new condition not new. Alexander Belyaev in his work “the Seller of air” introduces us to the prospects of this direction. The hero of his works Bailey clutched the air in the balls and kept them at a temperature equal to absolute zero.
Now available is a vast assortment of various acoustic computer systems — almost every company that produces computer hardware, supplies the market and the corresponding acoustics. The consumer only has to choose the right system, based on the ratio “price — quality”. But not everyone can afford the “cool” equipment, and at the same time, I feel that the sound was not worse. Well, for homebrew, even a novice, this problem is quite solvable: sound active inexpensive computer speaker systems can be improved independently. For illustration, the author offers a description of the modernization quite common columns SVEN (model SPS-828) made in China.
You presented a large bouquet or you bring one from your country area — where to put it? There is a beautiful crystal vase but it is too big Need something roomier And that can be on hand wherever a bouquet fit without any problems? Of course, just the glass jar. But luxury flowers as something not very much in tune with the bottles of pickles. However, if there is a way to “disguise” the jar to make it look more aesthetically pleasing, especially as the flowers were brought into the house. Why not put the jar in pretty pots? The more that they make this will not be easy, though, and will have to make and effort and skill.
When the child grows out of cot, its mattress can be used for making original floor chairs without legs and frame, it meets the teenage spirit interior.
Who has been swimming in the pool, know about the unpleasant effects of disinfected water on the mucous membrane of the eye: an unpleasant stinging, eyes red. Therefore, swimmers usually use special glasses. Widespread recently got glasses of the Leningrad scientific-production Association “Burevestnik”. It is molded from polymethylmethacrylate to the calyx, enclosed in a rubber sealing rim. They have a small disadvantage: they instantly fog up in the water, besides, organic glass is gradually covered with a network of scratches and cloudy.
Offer a design key for removing lids from cans nakatannyh. Device instantly reveals not only the Bank, but also keeps intact the lid and the rubber grommet. At the same time (most importantly!) they remain suitable for reuse.
A personal computer (PC) — the device is complex, multifunctional and, of course, useful. This large address book, database, and photo albums, and much more. To imagine life without a PC is difficult. What is frustration of the user (us) when my PC after 5 to 10 minutes after turn on (or restart) and normal operation will suddenly stop responding to keyboard and TrackPoint (mouse)? With such unfriendly behavior PC ran into me. To restore the normal operation of the PC (to revive) I managed a fairly simple method, which offers readers. It forces you to implement every radio Amateur with the skills of soldering.