MINI CAR FOR KIDS

MINI CAR FOR KIDSThe first little micro-car “mouse” I built for my kids. As far as he was able, the readers of “Modeller-designer” can tell, after reading his description and drawings, published in “M-K“.

As a result, I accumulated some experience of designing and has already planned not as a child, and “adult” car. Called it “mouse-2”. Built a long time, or rather, not so much built, how many were looking for the necessary parts. This, in particular, due to the use of “Mouse-2” mechanical brakes (now I change them for hydraulic). Development drawings and the construction was carried out simultaneously, although the basic parameters of the “Mouse-2” was thought out by me in advance.

Bring him brief technical description. This twin four wheeled vehicle with an engine producing 14 HP (working volume of 346 cm3) located in the back. Equipped with two independent braking systems: a primary (working) foot all-wheel drive and a spare (side) lever actuated on the rear wheels only.

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SOLAR ENERGY-CLEAN FUEL

SOLAR ENERGY-CLEAN FUELResearchers from the University of Manchester, together with colleagues from the universities of East Anglia, York and Nottingham, UK, are using nanotechnology to convert solar energy into a clean fuel.
The solar energy potential is vast — just one hour of sunlight provides as much energy as man uses in a year. But nobody has yet to figure out how to use that enormous energy to produce the fuel.
Professor Wendy of Flavell (the University of Manchester and her colleagues are working to create a solar nano-device on “quantum dots” — small bundles of semiconductors that absorb sunlight. The principle of operation of the device is as follows: when sunlight is absorbed, the temperature rises on semiconductors and their conductivity increases. Then acting on the molecules of the catalyst located on the surface of “points”, they create new fuel.

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SOURCE THREE “STREAM”

SOURCE THREE For connecting various electronic and household devices designed for a constant voltage of 9, 12 or 15 V, requires adapter (the adapter from the network 220V). Usually every device it sells.
Meanwhile, there are many devices without adapters, but in some time the latter may be useful, for example, to power portable electric drill (screwdriver), which has lost energy output of the battery, or receiver, whose “exhausted”, or other similar event.
It must be sufficiently powerful and reliable power source, with automatic protection of output (triggered by a short circuit in the load) with the universality (outstanding various constant voltage) for use in the home.

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The site of Science and Technology, on the Modelling and amateur art

LAST ADDED MATERIALS {loadposition contentslider}   LATEST VIDEOS ON YOUR YouTube CHANNEL     Scientific and technical modelist-konstruktor.org site on the Internet since 2012. Since then, the portal covers the issues of scientific and technical creativity of amateur construction, it tells the story of domestic and foreign equipment.   Among its authors, along with the Read more…

DESIGN THE SOUNDS

DESIGN SOUNDSUnusual sounds and sound effects using simple electronic consoles on-chip CMOS that is able to capture the imagination of readers.

The scheme is one of such boxes, presented in figure 1, was born in the process of various experiments with the popular CMOS chip К176ЛА7 (DD1).

This scheme implements a cascade of sound effects, especially from the animal world. Depending on the position of the engine variable resistor mounted on the circuit’s input, you can get almost real to the ear sounds: “croaking frogs”, “Nightingale trill”, “meowing cat”, “the bellowing bull”, and many others. Even the various human unintelligible combination of sounds like a drunken exclamations, and others.

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CONTACT LENSES

CONTACT LENSESContact lenses small made from transparent materials lenses, worn directly on the eye for vision correction (i.e., to improve visual acuity).

Contact lenses, according to experts, are about 125 million people in the world. Method of vision correction using contact lenses is called contact vision correction.

Almost 50% of those who wear contact lenses, are young people aged 18 to 25 years. And among those who wear contact lenses for the first time, the proportion of young people under the age of 35 years, almost 90 %.

The story of the creation of contact lenses starts with the name of Leonardo da Vinci. In 1508, he designed the device in a transparent globe filled with water, through which people with poor eyesight can see better.

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THE CAMERA-FLASH

CAMERA-FLASHNormalizekey camera capable of capturing images with a resolution of 1280 x 1024 pixels and record video (720 x 480, 30 frames per second), the adepts from the land of the rising sun fit in the case the size of a normal flash drive.
This little girl called CLAP — not the miniature in the world, however, is definitely another example of the amazing compactness. The size of the new 24-gram “soap”: 3.5 x 7 x 1.5 inches.
Sensitivity new camera ISO is 100 and is not adjustable. And far from the record. Any modern smartphone will do the job better. But inside the chamber built a small magnet. They can be used to mount the camera on a metal surface.

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48 CYLINDER KAWASAKI

48 CYLINDER KAWASAKIA certain enthusiast by the name of Simon Whitlock set out to build not just powerful, but very powerful motorcycle. You can go simple way – to attach to a motorcycle frame any brutal engine of a large volume, such as from a Viper or Corvette, but then the design would be too bulky and large, which is undesirable.
And then this enthusiast found is not quite simple, but very elegant solution – “rasterman” 16 motorcycles Kawasaki KH250 parts, he United their engines as one, the result of which was monstrous 48-cylinder engine weighing almost one ton.

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