the brekovskaya grid allows you to obtain information about the temperature, humidity and pressure; collect data from literally every street; then, after analysis, we can send these data directly to local meteorological services, which in the future will be able to broadcast information about the weather on a particular street, for example, in social networks messengers or other services will be needed to process this amount of data. the truth is no longer super, but just such a super-duper-computer, the computer serves the same purpose to increase the detail of forecasts, now artificial intelligence. he was attracted to his service by large russian companies, where neural networks process data from several global centers at once. information comes, and from those who installed the application the user. we are told that in this area. whether there is rain or not, there weren't any used, but mathematical algorithms. and we integrate information, and users in order to improve and then, well, to reduce the error people are

a source of operational, but not always accurate, so everything is rechecked and take into account not one vote, but several at once from one territory , information about traffic jams is collected in approximately the same way. as a result, catch this service for inaccuracies in the forecast for the week ahead. we failed. however, he was not alone in this, three out of five services were not mistaken. and it’s good that i believed them and took an umbrella with me, in general, the less distant the forecast is, the higher its accuracy, for example, with weather forecasting just one day ahead. not three, but all five applications have successfully coped, when the forecasts come true. even the bad ones ntv weather forecaster irina polyakova always rejoices. so, hello, and the weather for tomorrow in the european territory of russia. she not only tells, but also participates in the preparation of reports. she says, most accurately, calculations for no more than 5

days. however, the viewers who meet irina on the street usually want to look into a more distant future when they find out, usually they just smile, well, or ask, say something about the weather, and usually they ask for the long -term weather forecast they are interested in, that is let's say hmm when it is possible to change tires on a car or when it is possible to plant seedlings of reliable long-term forecasts, science has not really learned how to do it yet, but it predicts much better for the near future. than more recently, the accuracy of 3 days. now it is about the same as it was a day 30 years ago, and this gives a significant practical result . transport workers even start their own meteorological units, for example, to to know which roads to treat from ice in the first place, but in each region of the world

there are different needs in some places, like here in dubai they decided not to be limited only to forecasting, but to actually in the desert bored, but began to purposefully modify the weather at will. yes, yes, to some extent already subject to a person, and this is artificial. rain. in the emirates, they call with the help of drones, a system developed jointly with scientists from the british university ranking. drones electrify particles, dust in the atmosphere, and moisture is collected on them, which falls in the form of precipitation, sometimes so abundant that some ill-conceived experiments become apparent, this is evidenced by numerous videos on social networks and local stories as a guide svetlana vasilyeva , who has been living in dubai for 27 years , no one expected that someday it would rain here, so they did not plan to make

any kind of wastewater systems. sand quickly does not absorb water quickly; therefore, it forms everywhere small lakes flow along the roads stormy rivers. people do not know where to get away from this water, and the fact that the authorities do not warn residents about such experiments increases, nevertheless, they consider the technology to be promising artificial rains allow replenishing fresh water, which otherwise has to be obtained by an even more expensive method of desalination from the sea. tries to be less dependent on the vagaries of nature, and will obviously go further along this path, not without problems, but making the world around safer comfortable and predictable. and what surprised us this week scientists and inventors from different countries right now on the air miracle of technology fifth place in our traditional hit parade of scientific and technological news completely

geodegradable shoes, as they claim created by innovators from the university of california at san diego based on materials with the use of eucalyptus and cotton algae, according to the developers. even just thrown away these slippers will not harm nature. and if you put them in compost, in some cities, it is collected centrally. they will completely rot and become a fertilizer of premature decomposition. during wear , it should not happen according to calculations. this miracle of technology is further in our issue. are axes really expensive better than cheap ones? we have put all the options in the hands of real craftsmen. an ax with good steel should deal with this much more fun. the novelty of the week is a phone screen that is not visible to others. does it work well and what is the difference with cheap films that can do the same. this is where i

stop seeing the text already. i can't parse it. miracle products cctv camera that will record a bright picture even in the dark. will she be able to distinguish a person from an animal in time or will she give an alarm signal who will be filming, op girls, you will be filming. as well as the best discoveries and inventions from all over the planet. the most interesting is yet to come. gi the power of the river the power of the mountains the power of the spirit the power of the will the power of beauty life the

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increase discounts up to 70%. right now. and how is the internet at speed? well, how is it? even faster, and you can connect only with our megafon tariffs and be the fastest megafon in an ordinary three-room apartment in nizhny tagil there are more than a thousand creeping bastards. oh my god, my huge poisonous lizard spiders and pythons are countless cockroaches that breed faster than rabbits. it's so much. in fact, there are a lot of them from the hostess. all these bastards. even her own daughter and

mother-in-law ran away. and in my apartment this living creature is beyond tomorrow at 16:45 on ntv this is a miracle of technology i am sergey malozemov and we are climbing higher in our hit parade of news from the world of science and technology, which is on the fourth line scientists from boston university printed a miniature heart able to beat. its base was made of acrylic printer stuffed and populated with real heart muscle cells that can contract, the authors of the work, however, admit that when trying to

increase the size of such an organ. now less than 2 cm across. it ceases to function , the elements become too rough, nevertheless, even in this form, it is quite possible that the practical application of the development will begin to be used as a model for testing heart drugs , the result, as we hope, the authors will be more accurate, than on animals, since human cells are used. when it comes to buying an ax, the question immediately arises of taking it easier and cheaper. take a closer look at fashionable imported brands. maybe it's not for nothing that their products are more expensive than modern axes can. is there something in them worthy of being called a miracle of technology. the ax today is much more complicated than its ancient ancestor, the ax is made from complex alloys and composite polymers are used. but for which of these is it really worth overpaying, we chose

three axes of different prices for the tests, the most expensive finnish mark for 5.000 rubles. it is declared as universal for any tasks, the shock-absorbing coating on the handle should facilitate the work, however , the internet is full of angry reviews, they write that for many the handle quickly breaks in one of our stories. by the way, we checked the luna plastic ax of the same brand, it took an impressive load of two tons to break it. let's see how it will be a stopper, the second sample from china is a forged tourist target for 1800, it is slightly heavier than the first one, the handle is covered with soft polypropylene inserts to make it more convenient to hold and number three is the simplest garden ax with a wooden handle of a russian brand, but made in china for 800 rubles. he really broke even before the start of the test. in order for the tests to take place, our

jack of all trades alexander kolesnikov will try to fix this ax. it would seem that it would be difficult to put it on a wooden handle, but since the tool was cast. they are forged inside , an influx of metal was formed, which had to be cut down. yes, and the handle succumbed to difficulty. the wood was already dead, so it probably broke. check if it breaks again. this will help. vitaly lunev is a craftsman for making axes of all types, he will cut, prick , plan and chop, in order to check the factory sharpening, let's start with a regular piece of paper. will our test subjects be able to cut through its most expensive option, not without difficulty, but copes at times. true, undermining the sheet with a sheet, the cheaper model crumples the paper. even the cheapest ax could not cope with it, no matter how hard i try, i can not get a cut and

cut yourself with this axe. i can't either, we go further strangely, but the expensive ax that cut the leaf could not cut the rope much. the model of the average price, cheap, again in the laggards, did not cut, did not cut, coped with this better. he does not want. but it colitises well and cuts a sample for 1,800 rubles. gets stuck in a log, copes well with a fragment and cuts the most expensive ax. the rest are just knocking on wood, that is, factory sharpening, not tourist or garden, can’t even prepare pegs for comparison. here's how an ax works from vitaly's workshop. it really costs 7.300 rubles. an ax that is ready to work with good sharpening with good steel. gotta deal with it. much more fun, let's try to sharpen our axes. an angle of 40 degrees is considered optimal, if you

make it sharper you have to sharpen more often it will be harder to chop after processing all the axes and cut and chop and plan much better for the winners in terms of steel this hatchet has become, but there is one caveat. uh, it's still a mass product, they make surface carbonization and get a millimeter and a half of the thickness of good steel in the depths of the metal is softer. by the way, in the description in the store it was not indicated what steel the axes were made of, we gave them to the laboratory to check the composition on the emission spectrometer. in general, as professionals say, ideally there should be a carbon steel blacksmith tool. aleksey the merchant has been making axes from this one for 12

years. he explains that the carbon in this alloy makes the metal stronger, manganese gives it elasticity, and silicon provides better hardening and dosing. additives. you have to be very precise, otherwise everything will go wrong. in one case, it can be hard, here is the second, but fragile hit harder. she broke, she broke, she crumbled, but scolding, on the contrary, maybe, uh, she won’t be able to break her strong, but at the same time she will be a soft verdict from the laboratory about the quality of the metal very soon. and now, a really harsh practical test, which will be carried out by wood craftsmen, this log cabin of the 19th century chapel from the tver region. in moscow, it is being restored using old technologies alone. with an ax, by the way, in the hands of the carpenter nikolai frezin, a recreated instrument of the 19th century. he

cuts and trims well, we asked plotnikov restorers nikolai dmitry and sergey to evaluate our specimens and use them to make a blank for a log house from a log. dmitry took a cheap garden ax nikolai is an average tourist ax and sergey is a universal and most expensive finnish one. probably a little thin, you have to squeeze very hard, the arms of the muscles harden. so don't lift your finger. well, in principle, steel holds, of course, she turned around a little. too short ax became dull. so it is impossible to strike with sufficient force of the master dissatisfied with all these axes they are not suitable for carpentry work. they are

too light and short , it is problematic to strike a strong blow, unlike professional tools in a sample for 800 rubles. and at all after 3 minutes of work, the cutting edge was bent. it seems that the time has come to find out what these axes are made of, as the examination showed, none of the samples does not comply with gost, all three, with slight differences, are made of structural steel. steel, which is usually cheaper and is used in mechanical engineering by right of destination, most likely for some time. they will last, however, you should not expect any miracles from them, plus everything, most likely, a jam will begin to appear quite quickly. and if they are stored incorrectly, they will rust, especially if the paint comes off the general conclusion. here they are the same. they differ in low-quality handles and their metal is such that they get dull faster than anyone else, but starting from the middle price category, store axes are almost gone

are different. here you can only talk about who is individually more comfortable if you need a tool for occasional garden work. choose any but the lowest price category. but if you intend to boil trees or chop and sound, then you will have to look for a really professional tool that will be more difficult. its price will be significantly higher. but also work. he'll do the right thing without a hitch. don't miss out next , in the heading new of the week, testing a phone with peep protection. will this mode save if someone looks right over your shoulder miracle goods rubric about when an advertisement is true, and when it is not, we check the intelligent security camera . is it true that she knows how to react to people and ignore animals and can record color video, even at night we will try to deceive her and experience cold and humidity, as

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news of the week, the smartphone screen will be able to heal the resulting scratches, a coating developed for this. they castrated us how everything works damage. with keys, the film is made on the basis of polyurethane, to which special molecules of their connection are added, as the locks open when heated for a short time to 120 °, and then, when pulled into a scratch, they close at a temperature of about 60 degrees. she has become more comfortable at the moment. we already have prototypes that restore up to 95% of mechanical properties during the restoration itself, that is, quite a lot of material. as it is claimed not to interfere with the light transmission and touch properties of the screen. and now the novelty of the week

is the most interesting of the devices that we managed to try out over the past 7 days. this time we tested a smartphone for 12,000 rubles with a built-in anti-peeping function, which can be turned on with the lever or activated in the settings for selected applications, the screen on them will be dimmed and will not allow others to see. what do you watch, read or write. similar protective technologies actually exist for a long time, but require additional actions in the form of gluing a special film, the principle. there is also darkening and a specially calculated refraction of light. i wonder if there is a difference in the effect of one coating, we bought for 900 rubles. the second for 1.500 with a discount. we will find out what hides information more reliably, they or the novelty during the quiz. for our testers, race seedlings

get a budget film, even a cortamyshey one, dear. and for nikita sukhanov, a smartphone with a lever , the task is to answer questions and peep what is there from a friend, if you don’t know, the competition will be held by sergey kuznetsov, editor-in-chief of the internet of the building, and gadgets and technologies. how many episodes of the miracle of technology program has been aired? plenty at the time of writing. eh, today i know, i probably saw it. but now i haven't seen it. the first question was not an easy one, wondering if the testers were able to answer themselves, as far as i know, 367 issues. the miracle of technology to date went on the air written.