on his unicycle denis from sochi for 2 years for a cat is already 8 1/2.000 km. under his feet one of the latest models on a single charge can travel up to 220 km from the center of sochi to adler , it flies in 19 minutes on foot, it would take six hours and regularly drives into the mountains. they all traveled badly roza krasnaya polyana, that is, in adler, they all traveled to abkhazia, the riders rode unicycles in person directly from the center of sochi, and you get to the reef, but there wasn’t enough for a person a little bit of battery, well, just a little bit wasn’t enough, literally 5 km was not enough i arrived, but in general, but on top-end wheels , and you can drive such a unicycle weighs a lot of 37 kg. the first models that appeared in 2009 were three times lighter, but they drove 13 times less and did not accelerate faster than 25 km / h. mikhail denisov felt all this evolution.

personally. he has already changed five models, and now they are testing a gadget for 200,000 rubles for a fork to accelerate. should be up to 70 km/h in reality. true, already after 66 the braking system is activated, the pedals rise and deflects the human body back, by about 10 °. in general, such a unicycle for long trips powerful and fast for the city says, mikhail is better quieter, but more stable, for example, with a suspension for 150,000 rubles. riding, it always remains a smooth wheel with suspension allows you to ride in comfort. so i don't think about the quality of the pavement. how many curbs are on my way , everything is going smoothly and comfortably, however, i still have to learn from this

. without some special effort. they learned from me not to get. precisely, probably, the thing is in my head some kind of ronalca that they possess. not only rides himself, but also teaches others. he says that the unicycle is easier for those who can stand on skates. dmitry cannot boast of this. as a result , the other monocolisee puts its feet incorrectly and does not know how to distribute white's weight. you start the wheel in a semicircle, forward and backward. 3 hours and dmitry, although uncertain, is still standing and even going for a couple more classes, and he will not give in to his friends. although at the beginning i did not believe in my

progress also seems to you that all this does not look very safe. statistics confirm the feeling in 2021 in russia with the participation of electric scooters, gyroscopes and unicycles, only 672 accidents were officially registered. this is almost twice as much. than a year. formerly an american study. recently, in general, the electric scooter was recognized as the most dangerous of all modes of transport in terms of the number of accidents per kilometer of distance. my colleague sound director yuri krylov rides an electric scooter. for 5 years, he also had an incident. i can directly say i braked with my hand when i flew over the steering wheel, i just didn’t notice the steps and decided very late not to slow down, but to jump, after watching all sorts of extreme videos of how schoolchildren jump. i thought i could hand. yura healed and continues

to use the scooter, gets on it and goes to work because of groceries and takes care of his assistant to the garden for the child. literally, as a car replaced the folding mechanism. the so -called tongue. it once broke down and the steering wheel folded right on the go, changed the wing three times once the contacts in the battery were afraid of the cover, by the way, the manufacturer declared 30 km, on one charge the scooter still does not pass in the salon for the sale of electric vehicles. yura was offered an improved model. it can go almost twice as far, but it's important how to calculate the distance a lot depends on your weight, how you ride, how often you give full throttle. you just take it easy. this is very influential. everyone swears that manufacturers indicate the wrong mileage, but the manufacturer measures it in the most gentle mode, and sometimes trying to increase the battery or pretend manufacturers are doing dangerous things. this video is on fire. in the moscow high-rise building. an electric scooter exploded

, there are many stories of such vehicles, sometimes it burns right under your feet, one of the reasons may be fake battery cells. sometimes they use its former consumption and hull, and sometimes it’s all for the weight of empty cells poured sand sand is probably cheaper cheaper. what is the production of lithium completely here is an assembly like this. here it is not to understand. only after opening the tape compartment. something is bubbling up there. so, this is probably already sand and it is worth remembering that even normal batteries do not like overheating shocks and unofficial chargers. all this can lead to a fire. knowledge of electrical safety is now also needed by skateboard lovers, manufacturers of such a self-propelled model for 269,000 rubles. they promise a speed of 40 km / h. on regular boards. true , sometimes they accelerate faster than the world record -

130 km / h. will technology impress the world champion snowboarder olga laughable in the summer. she often changes the snow board to the ground one , the manufacturer did not deceive the electric skateboard , it really gives out 40 km / h, but even for a trained person it is too heavy 8 kg. and in general, all this is somehow not sporty. i believe that this is a big minus when a person, instead of using their ability to move, uses an electrician. but where the sport is at 100 is a writer on waveboards. anna stanyukovicha from st. petersburg successfully stood on such a two-wheeled board 7 years ago, it ’s not enough just to push off to balance must always be maintained. uh, how should i say to rotate the body, when you want to load, too lazy to do exercises, then, in general, it is also a very useful story in order

for the whole body to wake up; speed is not needed, but manufacturers already produce electric wakeboards, on which you can accelerate to 16 km/h in the future, we are clearly waiting for more and more active in the most exotic types of electric transport. although not without problems, even prototypes of flying boards are being tested, hoverboards already have a self -balancing electric car a nine-kilogram, gyroscope-powered fold-out balloon and an off-road electric scooter. the creators say that he is not afraid. any obstacles in the network, the development was called a mad lawn mower, we hope that both manufacturers and the signs themselves will not forget about safety when creating this. 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 man mastered actions in the course of evolution, when he was still a monkey, and they help to evoke. sympathy among other members of the family or tribe in the course of their study, scientists from the uk came to such conclusions , they showed volunteers videos with people who did everything mentioned and it turned out that this increases the degree of sympathy, surrounding scientists have long been interested. why is a person like others. primates often do some things, as if to their own detriment. now it turns out that there is still a benefit from this. this miracle of technology further in our issue. after the freezer, as if alive, we experienced a new technological method of preparing food and

examined under a microscope what was happening inside them - miracle products - smart sockets that help turn off the power remotely and save on electricity and xylitol lollipops. helping to prevent caries, what is worthy of our miracle sticker, and what is not, as well as the best discoveries and inventions from all over the planet. the most interesting is yet to come, leave to return. why so many ahead new? lada vesta the new generation boldly forward, shilova is not working in the resort, the heat is all around

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ambulance tomorrow at 14:00 on ntv this is a miracle of technology i am sergey molodemov and we are climbing higher in our hit parade of news from the world of science and technology, that a company from california is on the fourth line introduced the latest futuristic catamaran, which is designed to patrol ports, spider-like ship thanks to smart suspension, able to resist. even in very large waves, it carries air and underwater drones capable of detecting and recognizing suspicious objects. the ship itself can also work autonomously or take people. if the summer turned out to be fruitful, i really want to save, for example, strawberries for the winter, and many decide to freeze them.

russian innovators who have created a system of so-called acoustic frost, judging by the reviews. it gives just a magical effect, which well, you just don’t expect from food that has been in the freezer. so we open the door, it’s our carp that has a temperature of -26 ° looks like a miracle, but in these frames the carp really comes to life, frozen and lying in the freezer for an hour and a half such an experiment, testing a new method was carried out by its creators dmitry balabolin. in past. he was a radio engineer. once engaged in science, he changed many types of business, and then a familiar entrepreneur shared

his pain with him, ordinary freezing spoils food, dmitry says that he plunged into the topic, studied scientific works and understood. the main thing is not to let the crystal grow on ice, tearing tissues , an idea was born how to do it, specially selected sound vibrations crush money, not allowing them to grow. i watched ice grow in microscopes, how it is controlled by these waves. that is, it all happened by studying directly in the real in a cold room - gives our equipment. i sat in it and froze like chelyuskin on ice. as a result , dmitry created many different programs for each product has its own and has ensured that the structure is practically not damaged food after defrosting is almost as fresh in its laboratory for the second year. he stores mushrooms harvested by the shock method and keep acoustics for comparison, by the way, you can later in a regular freezer dmitry shows

grapes, which for 3 years already look like they are alive to taste. reminds me of sorbet. he has set up the production of his smart cameras in russia and is actively selling them to restaurants we manufacture. including foreign price from million rubles, elena shevtsova, the owner of a fish restaurant in the center of moscow, started using acoustic freezing a couple of months ago. what did you try first? it was pasta. that was the feeling that i had just cooked. i think this is the future, is there really such a big difference? for an independent assessment, we invited gastro-expert lena yartseva, portions of pasta with porcini mushrooms are frozen in three ways , conventional shock and acoustic. technology development director in russia igor klimashevsky restaurateur elena shevtsova and

culinary specialist lena yartseva don’t know where everything is and they all try blindly first acoustics consistency, by the way, the dough is very good egg, right homemade pasta is elastic correctly, cooked in pasta after shock freezing, which is considered very advanced, there was no such taste and smell. and that the third of the usual freezer has a very weak and mushroomy smell. and in general, i don’t feel very much such a starchy aftertaste unanimously and without bloating the tasters. the acoustically frozen dish was named the best. we decided continue the experiment. complicating the task , let's take a particularly delicate product of sea urchin caviar. in general, it almost does not tolerate freezing , comparable to shock and acoustic. well, caviar is some kind of drain. yes, it's out here. how much water plus the look. that is, it’s better

not to even taste it, well. that is, this is already a spoiled product, and the first option is from such an iodine marine aroma of freshness, that is, it is, what happens inside the products , we asked to look under high magnification strawberries frozen by three different ways. this was done for us at the engineering center of the moscow university of food production after a conventional freezer, crystals. the largest large e, there are icicles of shock freezing. uh, the sizes are still smaller, but they are also chaotic. eh, round. there are relatives, there are all kinds of rectangular ones, but in acoustic freezing there are no such large ice floes at all. they are small and they are round in the middle, there are no sharp edges. it is not surprising that the general pete and the food industry

are actively interested in new technology, because it allows you to always have ready -made dishes on hand that are almost as good as fresh ones and harvest vegetables, fruits and berries in season, buying them at low prices, and then putting them into action without losing taste and aroma. there are obvious applications. experiments have shown that processing with the acoustic method makes it possible to enhance, for example, the aroma of coffee beans , the waves release from the cells, essential oils , taste a drink from the same beans that have passed and there is no acoustic freezing before tasting them . saturated more dense more berry. processing shows the same results. the technology of tea leaves may also find its application in medicine at the federal scientific

center for transplantation and artificial organs. fragments of blood vessels, valves, aortas of laboratory animals have already been frozen. as a result, 98% of the cells were saved , even platelets, which are usually very sensitive to low temperatures for transporting donor organs, were not affected. they are now cooled, but not very much, and the liver, for example, lives no more than 12 hours, and the heart only six, of course, it would be easier , uh, to freeze this heart calmly bring it to court not to gather. at night, the acoustic method was tested on the lungs of rats with sensational results. true, they have not received it yet, but as academician sergei told us, he is experiencing restrained optimism. whether this technology will save lives remains to be seen, but that it is successful. it retains flavors and aromas for sure and this cannot but cause. real delight

for those who cook and for those who eat. do not miss the next miracle goods section about when the ad is true, and when not, which device is not suitable for smart sockets and is it true that they always allow you to know for sure whether the iron is turned off while your wires are melting. you may be at work. you can be anywhere, xylitol lozenges are suggested to be used for caries prevention. and what does science know about it, we have studied and tested everything, when xylitol gets inside, and the main harmful bacteria, but it does not break down, as well as the most amazing discoveries and inventions are the leaders of the weekly news hit parade.

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they won’t catch up with a step, it’s enough to run after a profitable tariff with megapower, they will make your tarik more profitable, activate them in the megafon application 1985, novgorod region, an unknown person attacks pensioners in an apartment, and then takes his wife and daughter hostage in the country house. gate. usually they didn’t lock up how women managed to stay alive. well, apparently, you still have a long life to live, what a young radio amateur could tell about a maniac, wait in a black coin. and how a crystal vase helped to catch a criminal, they took care of the vase like the eye of a perch and they got it out only to remove dust as a result of they were with leonid kanevsky today 16:20. there is no work on ntv, a resort, it's hot all around.

the authorities are driving a wave shilo it's time. stop. this is already a political question, and my colleagues are still fruits, i want to make a statement. you all went to katman. cop wars all summer i won't stay today.

and now the third line in the selection of the five most interesting scientific and technological news of the week. fitness bracelets and smart watches don’t seem to motivate you to move anymore , scientists from several american universities. they studied whether people in different countries have become with the advent of wearable electronics. walk more steps per day. it turned out that not for the last quarter of a century. activity was consistently declining even despite the rapid growth in sales of fitness bracelets per

person. we now walk 1,100 fewer steps a day compared to the mid -nineties, a particularly dramatic picture among teenagers who are addicted to computer games and social networks around the world. many thanks to everyone who writes to me through the miracle-tech website and social networks. let us know if you see an ad for an interesting but suspicious device. we will definitely check everything and say, a miracle or not a miracle. today we will test smart sockets that help monitor electricity consumption and tools that are proposed to be used to prevent caries. users on the internet give a joke advice to take pictures that you turned off household appliances from the network when you leave home in order to then do not doubt another solution to the same

problem and many more opportunities are offered by manufacturers. the so-called smart sockets. we chose for tests two models of the czech brand for about 2,000 rubles. you can manage here even with the help of a voice assistant and russian-made for 2.500 both devices have a mobile application through which you can find out the power of the connected device and electricity consumption. and most importantly turn off the power remotely while away from home. i love musicians denis varfolomeev sockets are very interesting sometimes it happens that i forget to turn off the iron, because i often go to concerts, iron my concert clothes and my head is full of other thoughts. i already understood this when i was already halfway to the concert venue, or there, let's say, i come with

my iron turned on. i have a panic, like a fire in general, like the poor, fortunately, the neighbors have never had a fire, but denis is tired of regularly returning home and checking whether he turned off everything, let's see if smart sockets will help make life calmer and more convenient. time for denis, and while our testers, even our map and sasha tsygankov, will conduct their own and protected test for the domestic and czech models, we built the scenery of two apartments, which we filled with household appliances. so many electrical appliances in one apartment here, i'm afraid to imagine what payments come. uh, at the end of the month to the owners. yes, the technology is very much the same device. yes, there are kettles , coffee machines, lamps, heaters, fans, but they have a difference, which we will now show, and in this way we will check which

devices and appliances are suitable for a smart socket, and which ones are not, let's start with kettles, which often recommend connecting smart sockets to boil water without going to the kitchen with one click on a smartphone, but not with every kettle - this will work, but in order for the kettle to start boiling, you need someone's hand that will press this button and start the process, so i eat it without tea. but sasha was more fortunate on the other kettle , it turned out not to be a button, but a toggle switch, if you lower it in advance. the exception of the outlet, the water will immediately begin to warm up, but in the end this thing is something it turns out one-time, that is, when the kettle boils, the lever will rise up, turn off the heating process and restart. i won't be able to either happened from the coffee machine. i will still be left without coffee, because the buttons on the coffee machine are even more fragrant drinks. only sasha could arrange for himself. even from another room , we will try to connect other devices,

for example, lamps. so now the outlet is on. i can do it remotely. and turn on hurray, my first victory, well, the socket copes with the light perfectly. that is, in order to the socket made some device smart, turned on remotely. he needs a switch that can be left in the ready position. otherwise , the device can only be turned off at a distance. now i will show you a device that is perfect for a smart plug. this is such a lamp, it is very old. they don't have any on/ off buttons at all, because it turns on and off exclusively. powered by a wall outlet is ideal, but in our experiment there was also a device that refused work. look, it's on.

bams, this fan heater has a mode that allows you to activate as soon as the current arrives, but almost immediately the device turned off, the power of the fans turned out to be higher than the outlet manufacturer allows , overload protection is triggered, as measurements in the experimental laboratory showed, the limit of the russian model is 10, and they try to pull out as many from the network, for example, a kilowatt iron and a 2 kw electric stove turn on the second burner, 12 a outlets above as much as 16 amps. here, too, everything went off without a hitch at an indicator of 18.18, and experts approve of overloads can lead to the following factors. the first is at least, and the wiring does not withstand such loads and melts. second, after the wiring is melted, a short circuit can occur

while your wires are melting. you may be at work. you can be anywhere, the singer denis varfolomeev was also satisfied , who for a week was looking for different uses for sockets in his house, any gadgets that i would not connect are a computer and chargers. and the phone worked. well, i turned on the microwave. i plugged in the kettle on the way home. i turned on the socket, and from the phone, and by the time i climbed the elevator, the boiling water was already ready. i made myself tea, i also left. timer and when needed my computer turned off. perhaps this is all just pampering, but still a smart outlet. this is a way to save money. it can prohibit the device from consuming electricity in sleep mode, just turn them off and that's it, for example, we froze. how much energy the thermopot consumes per day turned out to be 1.33 kw / h , and then they connected the same device, through a smart

socket and set up a shutdown in the application for the night, when no one would definitely need the kettle, but then why heat the water. as a result, the consumption turned out to be less than 1 kwh per day, of course, you won’t save much that way. basically, devices in a dream consume very little, but this is only one of the functions, it seems to us that the ability to at least learn from anywhere. whether your iron is turned off is still valuable so that smart sockets as a class of devices receive from us. sticker miracle on the air, watch the miracle of technology after a short pause. anti-cavity lollipops are an interesting innovation or pure marketing. is xylitol really so effective at fighting germs doctors' opinions and results of our own miracle or not miracle tests, as well as the top five of the world's burning science and technology news. what did we

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russia you are watching the miracle of technology. and this is the news that sergey malozemov put in second place in our hit parade of discoveries and inventions of this week, two new ways of breeding cargoes into orbit without rockets , the first one was tested in the usa - this is a centrifuge, which, during the next tests, accelerated the outfit to 1,600 km / h. and he flew up to a height of 7 1/2 km. the system was not working at full capacity, the goal was to find out if the electronics could withstand

such an overload response. yes, another project has been developed for three decades and involves the construction of a large gun that fires by igniting a mixture of hydrogen helium and oxygen. while the tests have been successful this year, the developers plan to launch the first facility before the conditional the boundaries of space. this is a height of 100 km , the creators of wallpaper x projects are confident that they will be able to make space launches by abandoning rockets much cheaper and more massive than dentists are now. the passion for sweets is especially dangerous for children's teeth. but the advertisement of today's contender for the title of miracle reassures that it is not necessary to refuse delicacies. these lollipops from the german

brand cost almost 3,500 rubles. for 50 pieces. and that’s all, because instead of sugar they contain xylitol, according to the manufacturer’s promises, this is sucking not only does no harm, but on the contrary, it will overcome cariogenic microbes and strengthen. tooth enamel. very interesting to check. what science knows in general is that proxylite is a polyhydric alcohol that is found in vegetables and fruits, but more often it is extracted from wood, for example, birch has long been used as a sweetener in the diet of diabetics and according to research. true, it can also prevent caries. unlike sugar, it does not increase acidity in the oral cavity , enhances the work of the antimicrobial enzyme lactoperoxidase in saliva and acts directly to microbes. the orthodontist and mother of two children, elena katunova, explains the main role in the development of caries. uh, they remove striptokosnutos - this is a bacterium that

causes caries, so this bacterium does not know how to ferment, that is, when xylitol gets inside, and the main harmful bacteria, but it does not break down inside this bacterium. it either accumulates in a critical mass, when a lot of it accumulated bacteria occur mucus. it is destroyed either by e, due to its inability to digest the bacterium, it is, as it were, returned back to oral cavity, interesting a. is it true, as they say on the label in lollipops, not a gram of sugar, so beloved by carious monsters , we will hand over sweets to the laboratory, neither sucrose, nor fructose, nor glucose, we found the main component of this lollipop, really xylitol. it contains about 90% by weight of the candy. true, with this indicator, you need to be careful with the amount of lollipops consumed per day. a large dose, xylitol, can cause

a laxative effect. the manufacturer himself recommends eating no more than a couple of lollipops per day. day. the question is whether children will like them at all , our race seedlings tester suggested that the sons and daughters of colleagues taste sweets with regular xylitol sugar. unwrap, try, and we are interested to know something you think about the taste. how you look shiny and here he is some kind of white powder from the pharmacy substitute is clearly different. what about taste? delicious tasty, well, not very sweet, but sweet, what

is a face? why because usually hard candy they are essentially fused sugar from caramel. and this one is like dry yogurt, very much so. to me it seems like ascorbic acid, the tasters immediately felt the difference in sweetness and their preference was divided ; still, the first what is worse than the second or not? here, by the way, this orthodontist elena katunova, to her twins, periodically gives xylitol lozenges and

they eat them with pleasure, but we will check by science whether it helps against caries, we invited children who are accustomed to a miracle substitute and those who are with it just met by our request. the guys didn't brush their teeth in the morning, and in addition we also treated them to a milkshake with frozen banana and chocolate , such a composition will quickly create a favorable environment for the growth of bacteria. after half an hour, we take a swab from the oral cavity of all participants to measure the initial number of bacteria. now we will give even the maximum xylitol candy and ask lyosha. just rinse your mouth well with plain water. will there be a difference? is the antibacterial effect so strong , the results of the examination showed that after rinsing plain water and the use of candy oxides?