not with cells, and another type of bioprinter, it prints the skin directly on the patient, while these are laboratory mice and pigs, for example, when we print directly into the defect itself, that is, we print inside the wound defect inside the wound. yes, then the vessels of the host’s body begin to grow quite quickly into the tissue that we printed by a similar method . french doctors used a similar method when they printed a new nose for a fifty-year-old woman, the old one was removed due to a tumor and it was temporarily attached to the hand. moved into place. those who are engaged in bioprinting generally have to solve an unimaginable number of problems when cells pass through the nozzle, they will be released because the nozzle is narrow. it squeezes them. that's when her cells die. the membrane collapses is the problem. that is, as soon as we try to increase the concentration of cells. e in the hydrogel, and they all

die. as a solution, researchers they suggested printing with tissue spheroids. these are balls from the required number of cells of the future organ, the size of such living balls, maybe from 50 to 700 microns with a special syringe. they are layer-by-layer imprinted into the hydrogel base, getting a blank, then it will be left in the bioreactor. and thanks to cell division, it will turn into a new spare part for a person. it's kind of like building a house. you can just conditionally smear concrete. yes, and you can take from the slabs already to fold at home, it will be faster and we can say. here is the plate. it's the same as this plate. and they are already in advance, uh, with the necessary characteristics of these plates, in general , bioprinting is confidently gaining momentum at the beginning a group of two thousand german scientists created the first 3d bioprinter based on a milling machine, and already in 2019, researchers from tel aviv university managed to print a whole heart from human cells.

true, it was tiny, suitable for transplanting only rabbits. this is the prototype. this is the prototype of the heart, and we cannot say that it is a working organ, but beauty is methods. it consisted in the fact that colleagues used the so-called double printing, when they first printed with one material, and then they printed another inside material and in fact the goal of that work was not to create a full-fledged heart, but to design a living patch for the treatment of heart disease before printing large working organs is still far away. that's it, it is printed there for dozens, for example, hours, which causes a problem. you have printed the lower layers, and you will have a rest if you are strong. they are there not in some super special conditions , no, but blood vessels. no more vascularity. no power to partially solve this problem, scientists hope with the help of bioprinting in space in 2018 russian

researchers were the first in the world to send a magnetic bioprinter to the iss, since gravity does not interfere with the organ, it is not created in layers, but simultaneously from all sides, like a snowball is molded in a special liquid, cells float, which, under the action of a magnet, are assembled into a blank, all this is still research work, but expectation is large we can collect, for example, complete objects of complete construct. well, for example, for analogues , let's say bladder seals or tubular full objects, for example, urethra seals or some bioengineering laboratories still it is possible to create three-dimensional organs on the earth. more precisely, their prototypes from living cells, so at the american university of wake forrest developed biomaterials capable of maintaining volume, for example, models of a human kidney, even scientists themselves are afraid to make predictions for the too distant future, but sometimes

they like to dream of printing a person on a bioprinter. yes , we can create a skeleton of a person to print, as we now know perfectly well that we printed a machine and printed some other elements. it's possible, but it's the future and how, for a person to function in a complete system. well, probably this is only the future, what is real already now is this. for example, the restoration of bone defects of the skull in plastic is one of the first to be done at the burdenko neurosurgery center, doctors, together with engineers , using laser jointing, create titanium plates for the head and hope that technology will soon step further. we are not only busy. it is extremely important for us to restore bone tissue, but also soft tissues in the area of ​​skull damage, of course, e possibilities of tissue bioprinting. well, i think that in the near future

, whether bioprinting will solve the problem of the shortage of donor organs, it is not yet clear. but the fact that already transplanted and serve as the owner of the first printed noses and auricles is encouraging. maybe the technology will first of all have not such a revolutionary , but some kind of hybrid application, for example, in the same mrs. a few years ago, they implanted an individual bone implant in a domestic cat that almost lost its paw due to a tumor. it was made from a mixture of polymers and metals. so he was inhabited by native cells of the body and the cat regained its former mobility, they actually changed the spare parts, is this what we expect from the medicine of the future.

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 stars in the sky are less and less visible and their number over the next 18 years may be reduced by another 2.5 times this conclusion was reached by scientists from the united states who analyzed astronomical observation data since 2011 . they say that light pollution has already deprived 30% of the world's inhabitants of the ability to see the stars and the situation is likely to only get worse. this miracle of technology is further in our issue. hex rackets and robot trainers that you can carry with you can be used to practice some single shots. what else can surprise table tennis children and dogs against rags, mops and washing vacuum cleaners a girl with a vacuum cleaner. eh, bent over and does. as we have to find out.

what is the most effective and safest cleaning method for the back? wonder products coffee maker that makes drinks from different capsules and ground grains, how professionals will appreciate the taste, and the convenience of users, which helped more taste of romance survive. as well as the best discoveries and inventions from all over the planet. the most interesting thing is yet to come, that you don’t have to go anywhere. well , yes, to buy casco with accent.ru, as well as to issue an insured event or quickly resolve any issue right in the chat and you don’t have to go anywhere in a good renaissance company insurance. premiere 2023 riding above gorgeous voice only light

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premiere tomorrow at 20:00 on ntv get a two-in-one mega-subscription and an honor 7 smartphone for 1,500 rubles. per month. it is mega profitable and mega convenient. we guarantee 180 days without interest forever on a gazprombank credit card everything is transparent free service 180 days of a grace period without additional conditions and cashback 1,000 rubles. for the first purchase. i don't want to revolve around technology. let them spin from me. desire ideas here should be fresh food and he's amazing. let technology revolve around us, and we use it and

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and why is she neo hi because extraordinary is ordinary. what eyes marusya turn on the vacuum cleaner, because it can be decorated with stickers inside for each its own vk meeting point. identified as a translator. he is just a translator. yes, so that he would automatically , just as it’s scary to think with a tongue,

was not, the germans are ready. this is a miracle of technology, i'm sergey malozyomov and we climb higher in our hit parade of news from the world of science and technology, that on the fourth line, the distribution of electric vehicles in some area reduces the number of asthma attacks there , scientists from the university of southern

california found such a dependence in their state they analyzed in different postal districts quantity data, registered electric hybrid and hydrogen cars there for six years and looked at how the number of asthma - related ambulance calls changed in the same area. nitrogen dioxide, which is found in the exhaust of conventional cars and worsens the condition of the respiratory tract. numerous sports unexpectedly and imperceptibly became table tennis workouts. robots help invent new forms rackets. and in general, as it turns out, it is very good for health. four-time champion of russia, bronze medalist of the world championship, elizabeth abrahamyan is a real fan

of table tennis, she has been doing it since she was three years old. it was some unconscious inner desire. and as if from the first seconds. as i saw, table tennis is all around. adults understood me that it was necessary to give it to table tennis. last year in hand. the athlete has an unusual racket, instead of the usual oval hexagonal one, the same one is used titled swedish tennis player coward morgan on the manufacturer's website. even immodestly written that it's thanks to their racket. he reached the final of the world championship in 2021 , some observers noted that elisabeth also began to play faster and more confidently with the novelty herself. she is also satisfied. it was the most important know-house. i tried it and i just liked it, some little things. still, my game has improved. and flies faster stronger, that is, i can control the ball better to handle, as

the developers say. the new form allowed to increase by 11% the so-called playing spot , the area during repulsion, from which the ball flies at the highest speed, and without violating the rules of the competition, generally with rackets. in table tennis, they experiment most often, who change their shape, then completely remove the handle offering to put it on the palm of your hand. and last year , the german brand released a smart version that fixes the speed of hits , statistics and can even give advice on how to improve the game, but most athletes still prefer the classics. although they buy models are not ready, but they are assembled individually. as a designer in the initial stages, when amateurs come back inventory, you should pay attention to the characteristics. the higher the e, speed characteristics, the less control, respectively, it will be more difficult for an amateur to cope with this racket , while professionals do not pay attention to

control characteristics and speed is more important , speed and rotation depend on all components of the racket from a wooden base. yes, the lining is studded or smooth, but no matter how good the inventory is first of all, of course, skill is important, and today robots help to work it out. they know how to play at different tempos and twist swords with different directions of blows, and most importantly, they do not get tired of them. now it is often used in clubs where beginners are taught the robot is used mainly for the initial stages of the game or when a person needs to warm up. it can also be used to practice some single strikes for different classes of players . in 2016, an american startup even released a portable version of the robot for those who do not want to part with the game never device

weighing a little more than a kilogram, you can put it in a small backpack and practice blows in your free time, setting the frequency of the angle and even the direction of the doctors in the application. they even tried to design a real player in 2014 , the duel of the four-time olympic medalist , once the first rackets of the world, tim ball, with a mechanical rival took place. the skill of an outstanding athlete against a merciless machine so fueled the interest in the match of representatives of a german company that produces robotic arms looked really impressive, but later it turned out that all this was just an advertising campaign with an abundance of video editing, the robot did not demonstrate the necessary speed and could not always reflect the blows of professional tennis players and do not use helpers for robo training , and therefore the unpredictability of blows is important to hone

the reaction of these rotations , which the robot betrays, they are a little, well, not realistic, because in the game it cannot be that the ball flies the same way all the time, that is, the trainers themselves with the same rotation, well, as it were gets up and throws balls, uh, and he chooses the permissible moment, such speed is needed. which rotation is a little more a little less, then i can do it. in the course of the task, adjusting to the athlete, the coach can also regulate physical activity. she is huge in table tennis, someone might think that table tennis is played with the hands, but table tennis is primarily played with the feet. if you didn’t take the right position before the blow, then your gift will turn out clumsily. you must be able to move. distance, like a small 3-4 m. but then you will again have to return for another 3-4 m. and as a result, in one draw. you run 20-30. uh meters soak. well

, probably kilometers to understand what the athlete's body is experiencing. we came to the innovation center of the russian olympic committee together with the silver medalist of the world youth table tennis championship. artyom tikhonov allowed to analyze the muscles. which of them are the most involved? showed more activity. uh, quadriceps femoris, and that's a common practice. everything in sports movement, as a rule, begins with the legs, because these are the most powerful muscles in the second place in terms of activity. we have the biceps of the shoulder and in third place with us, but with regards to the abdomen. well, 3d cameras made it possible to fix the speed and amplitude of movement. racket speed. at the time of impact was approximately 33 km / h. the rate of change of the ulnar angle is 400°

per second and the athlete. in fact. naturally, he moves very actively on his feet, and therefore we also measure the movement in the knee joint and it was here approximately 300° per second. it is not surprising that athletes literally pour themselves during the game. another of the not-so-well-known table tennis facts about hitting the ball in the line is not out, contrary to popular belief in the yard, players are forbidden to be in white in tournaments so that the ball is not lost. against the same background, ping-pong and table tennis are no longer synonymous. recently. these are different games with differences in the rules and techniques of pin-kong simpler and separate federations. but this is for the pros and for the mass audience inventory makers are just trying to make the game even more accessible.

for example, a mini-table that can be placed right in the apartment, and this transformer door was invented by a german designer so that the inventory does not take up additional space at all. at home. interest in table tennis is growing and in many moscow clubs it is already difficult to find a free table on weekends, people organize tournaments and compete in groups and diasporas. there is some magic and health benefits in this sport, of course. don't miss next vacuum mop or a rag that washes the floor burns more calories and does not harm the lower back miracle products a column about when advertising is true, and when there is no hybrid coffee maker, which is suitable for various capsules and just ground beans, how tasty it comes out and what disadvantages were found during dough, everything drips, and drips, by the way, hotter, as well as the most amazing discoveries and

inventions leaders of the weekly news hit parade three medal three medal for stomach pain. how do you hear? not bad. you want me to be your donor, you are quite nice and not very old and continuous compliments to women do not understand. well, this is something in medicine. in the sense of an obstetrician, your eyes are beautiful premiere tomorrow at 20:00 on ntv mask a new season today at 22:20, but ntv -50

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you are as an option. timon neo hi, because what an unusual little eyes marusya, turn on the vacuum cleaner. because it can be decorated stickers inside for everyone has their own vk meeting place the subscriber is always fully charged with cool equipment. can gigabytes put balances to sell to buy.

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became the head of one of the largest of all in russia understood that it's time to make me something that is already mine and where he spent millions from the sale of real estate of their adherents, see the author's project. and now the third line in the selection of the five most interesting scientific and technological news of the week home eyebrow printer presented by a large cosmetic company from france , a device created in partnership with the developers of temporary printed tattoos. it is through a mobile application. first

, it scans the user's face and in augmented reality suggests options for improving the eyebrow pattern, and then implements this by spraying paint from 2,400 tiny nozzles. moreover, as reported, at a level previously available only to the pros. we just got a question from a viewer. what method of washing gives the cleanest floor, but the editors just showed that many mothers and grandmothers do not believe in mops that really remove dirt from the floor, it seems to them, only a good old rag, it seems, there is something to check here? manager yana petrushenkova 9 years ago made, as

it seems to her, the best decision she bought, a washing vacuum cleaner three children two dogs used to be difficult to maintain cleanliness with mops and rags, and a vacuum cleaner at first soaks the dirt with steam, and then sucks it in. a lot of nozzles allow you to clean not only the floor, but also the furniture. the only negative. uh, in this vacuum cleaner its weight, and everything else is not completely satisfied, it is easy to clean, and ordinary running water has chosen for itself what the manufacturer called the innovative tilt mop. no need to get your hands dirty , too, the bucket from the kit is equipped with a spin mechanism, there are other advantages. it is suitable for small apartments. let's say it can be placed anywhere. dasha kartamysheva

mopping appliances do not trust. she had both a robot vacuum cleaner and modernized mops, but in the end she decided to cope with the old -fashioned robot vacuum cleaners, i trust, supporting cleaning once a week to walk and brush off the dust and freshen up the space a little, and i myself regularly do such general cleaning with a rag where i cut everywhere. i wipe everything , i can do it. only i understand that everyone's tastes and habits are different, but which of the methods gives a cleaner result , we'll check. for each heroine, we have prepared paths made of different materials linoleum tiles and laminate they will be the most difficult products to clean, and children and dogs will help us with this, we were the first to entrust kefir and ice cream with chocolate icing. scattered along

the paths. here is a test cocktail ready , very dirty here you can’t do without hands. i think that i will win because i have jan's miracle mop can your gadget cope with the fact that yes, i think he will win, because the earth is difficult to collect without a vacuum cleaner. will compete not only among themselves, but also with a robot vacuum cleaner, he independent, so it will tidy up without a hostess. let's get started. there will be a tester of the miracle of technology soot tsygankov and a rehabilitation doctor who will evaluate which type of cleaning is the most dangerous for health, and which of them is the most

tiring smart fitness trackers will find out. we gave each heroine before the start of the test, the girl with the rag had the biggest load. she is with us and bent over in the back and kneels leaning on her shoulders. the most energy-consuming position. hands fall off, i decided to go. i went to the foot. julia by the way, also julia what is also tired of pressing hands. yes, my hands have become terrible, i want to try with the help of my legs too. and i just got dirty robot vacuum cleaner, unlike our heroines. just gave up

after picking up the dust. he demanded to change the module to a washing one, assessed the situation and hid and left for the station. although the battery was full, well, let him try to get used to the upcoming task, in the meantime only three have been completed. dasha has already switched to tiles. yana and yulia are cleaning, linoleum is an obvious minus with a rag, as with a mop, you have to change water. but i don’t have enough nozzles with a vacuum cleaner. chocolate doesn’t give in, how differently their backs have different angles, different angles and hold their lower back differently, it’s clear that our girl with a mop is trying to keep her lower back straight , trying to straighten up and reduce the load on the lower back, and girl with a vacuum cleaner. eh, bent over and does. how will the girl with the rag have a lot of me and positions. now it is again the maximum no, the correct posture. she bent her legs to a full angle, and this

cannot backfire in the future. well, what exactly does dasha do correctly approaches cleaning with a positive dance changes position. she is not particularly tired and overtakes her rival from pobeda separates her, only the vacuum cleaner laminate is over. water is poured and yes , it is not possible to transfer it quickly. it's hard to help . sasha dasha, by the way, he also carries buckets, yulia feels much freer with her compact mop, but chocolate. wipe off. she can't do that. i have already tried to wet it very much and already squeeze it dry and semi-dry, but walk around and nothing helps. robot vacuum cleaner, which, after thinking and that's it but he decided to work, he can’t master it, even the linoleum rolls and carries dirt. all a victory, for dasha she coped with a rag in less than 41 minutes after. i am a vacuum

cleaner. i finished almost 45 minutes, julia with a mop. as a result, it still cleans the laminate and takes third place; its cleaning lasted almost an hour. my knees are shaking. here, here are the legs, as if overstretched, you really don’t have such a feeling. i have it all from fatigue. it is normal that the pulse jumped above 120 beats per minute during washing, but spent the least energy. oddly enough, even with a rag she went in 198 kcal, apparently she had the lightest inventory yulia with a mop 290 jan with a heavy vacuum cleaner 308. but that only dasha visually coped with the quality of washing on linoleum yulia had chocolate left. and yana has greasy stains from kefir and ice cream on the tiles and laminate of the situation. approximately the same dasha turned out pretty, purely yulia with a mop

could not manage to cope with chocolate, but there were pines that left milk stains and missed creamy spots in the corners with the first place. all it's clear. but in order to decide on the second one, we had to vote, who has yana's cleaner 1 2 3 4 5 6 7 who thinks that yulia's paul is cleaner only yulia, as disputes arose, we decided to conduct another more universal test on a smooth surface for the case is taken by the one who is least tired. sasha tsygankov water-soluble pollution. gouache glass surface, we will check how our subjects will behave, if the dirt needs to be removed in one movement, whoever captures a larger area is watching the experiment, our constant expert doctor, physics of mathematical sciences by vladimir cuts it clear that your scarred hands

will work differently. well, and even more so a robot vacuum cleaner and a washing vacuum cleaner with a rag. sasha cleans a small area of ​​just 1,200 m². mop 1.500 covers the largest area, washing vacuum cleaner 3.600 m². the robot vacuum cleaner again disappoints and cleaned up the surface. it is difficult to name excellent strokes. i like very much. this impasta by an unknown author conveys colors. time to take stock, the washing vacuum cleaner copes well with simple dirt on a smooth surface. surface, but it is difficult for dried grease stains, and it is heavy during long cleaning. such mahina can harm the back. a rag allows you to remove the most difficult dirt, but you need to regularly change

the position of the body and not twist your legs, how did you do it? our dasha mop, although it is able to remove more dirt in one movement, requires more pressure, which is tiring , in addition, you need to constantly remember about a flat back, well , as our tests showed, it’s better not to trust a robot vacuum cleaner too much and dirt, a leave something easier, such as maintenance cleaning, to completely replace a person in difficult cases. he obviously can't. on the air, watch the miracle of technology after a short pause. in the rubric miracle goods three-in-one coffee maker, do capsules of different calibers get stuck in it and does it cope well with ground coffee, as well as the top line of the hot five world science and technology news, what seemed to us the most interesting this week to see how a cool sauna shot

our heroes, she is small, but very cozy, but here is the dressing room where one could cool down and relax. no, here, of course, there is something cozy in the tree. yes, some cozy sofas . a zone for tea drinking. the place of this podium on this pit we will have a piece of the lake, as a reference to the natural elements. there is a very large lazhana with comfortable or wide deep sofas for complete relaxation. the summer answer creates a trap zone in the bathhouse, a huge zone and a bathroom, and we still have it. on the second floor dachny answer today at 11:505 to this premiere in the desert on february 25 at 22. i

feel uncomfortable and mega profitable for you subscription for a year and pay once a month connection to a new smartphone. it is convenient and profitable megafon hi because what an unusual eye marusya turn on the vacuum cleaner. because the stickers inside each have their own vk meeting place we guarantee 180 days without interest.

well, how are you with a cold ? we are a double strength. ibuklin express, double strength against heat and pain subscriber. tele2 its tariff is charged by full always. with cool equipment, ready to change. gigabytes can put the rest to sell, buy and even change for a movie . so, only starikov tele2, before breakfast , i cook the old selection from the composition, cut it, stuff it in the summer and it's ready. this is all our compositions are really old, to play at maximum speed, watch streams or participate.

expression good to be sad. but with me in roaming , circumstances change more favorably, do not change the tariff. just choose another opera in the beeline application to set the tariff conditions in your favor beeline on your side. i've been waiting for a mask, a new season today at 22, attention is a notice from the imperial mint at all

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the show mask, but ntv message from russian president vladimir putin to the federal assembly on february 21 at exactly 12:00 moscow time live broadcast on ntv technology. in second place on our hit parade of discoveries and inventions this week, electronic cigarettes and vapes can be somewhat even worse than regular tobacco. scientists from the university of pennsylvania conducted a special survey on volunteers, among whom were smokers of various types and non-smokers, which shows the level lung inflammation in e-cigarette users. it turned out to be the highest. although it might not show up any other way. what diseases can this result in in the future

find out, and now our rubric miracle products, in which we check, among other things, what you ask for. you send me through social networks links to advertising devices that you think are too tempting and we will definitely test them. here's what will happen today. in the spring of 2022, many russian consumers even lining up in a hurry to buy the usual coffee capsules. it happened when a popular brand announced the end of supply. well , then the analogue market flourished; some people on the network counted more than 80 brands of capsules on one of marketplaces. delicious leonid is given a drink and whether they get stuck, as it used to be with non-original options, we will check and at the same time answer another question. is it possible to play it safe by buying a hybrid device that can make coffee, not only from capsules, such are on sale, for example,

this brand with russian roots that produces goods in china offers a model for 10,500 rubles. it works with capsules of different sizes, you just need to change the water. and she prepares ground coffee, however, she does not know how to grind the grains herself. is it convenient to evaluate everything elena zolotareva, the owner of a beauty salon near moscow, which already has its own proven device, but we definitely need a coffee machine only for capsules of the same size, because we ourselves are our clients, and there are a lot of employees. we adore coffee and our clients usually drink 80% more coffee than tea, about 5-7.000 rubles. it costs us a month a-a. purchasing caps hybrid, elena was interested in the capsules running out quickly it would be great, having a backup option in

a week we will find out if the device will not disappoint. well, in the meantime, we will conduct our tests together with the coffee sommelier polina vladimir. we bought six packs of espresso capsules of different prices and sizes, among them there are both original and analogues. we will charge it in the universal. a flax machine and a regular one that works with large capsules costs 13,000 rubles. with little 40.000. recall our contender for the title of a miracle, which is too tough both sizes and even ground coffee cost only 10,500. we set the same volume of the drink and start with the original hybrid capsules, according to polina's opinion was worthy. i think larger capsules are better. here they were extracted. true, they had these creams were voluminous. here the texture was good. and here are the little ones. but it seems to me that they were better here. because of the temperature, after all.

it seems to me that the temperature helped more flavors of the aromatic survive. true we have tested the temperature of the water in the universal device is higher than in others. but is it good when replacing the capsule, if, for example, guests come to you and you need to make several cups at once, you can get scalded. ah, well, here, here it won’t. and so this unit costs five times more than this one, but here the automatic disposal goes into a separate container, which you then simply shake out. and here everything is manually put into each capsule, everything is dripping, and dripping, by the way, is hotter. well, what about non-original capsules, they all fit in size, and they didn’t get stuck in the typewriters. the questions were only about the quality of coffee, the cheapest and largest ones smelled bad, smelled and tasted burnt, those that were more expensive proved to be normal, small ones had the aroma of cereals , according to polina, due to light roasting and drink

looked more like an americano than an espresso , but the original ones were tastier, but there are no questions about the typewriter. it seems to me that the small capsules turned out to be large as well, somehow richer and stable uh-huh well , after all, from that option. one two three, four five six options more often here they were not bad. yeah, that is, somehow, that is , some arithmetic average in coffee from different capsules in this hybrid coffee machine. he was normal. yes, good, maybe sometimes , maybe a little worse than the original, but still good. uh huh somewhere. was even better than the originals low price device and higher bomb pressure than specialized capsule machines. well, how does it cope with young coffee? also good, velvety aftertaste, very pleasant. there, on the tongue in the mouth. the expert only

reminds that ground coffee retains its aroma for a short time; it is better to grind it before preparation. and in any case, do not store it for months, you need to drink it as quickly as possible. as far as it is possible, what kind of oxygen you open gets into the pack. yes, and coffee begins to oxidize faster and give their substances. and, well, it's literally coming. something above it, probably. if you rarely drink coffee, it is better to buy non-ground ones, and they will not lose their taste and aroma longer. well, how are you, in the beauty salon every day for a week, they actively prepared drinks in a hybrid coffee machine, with a large flow of people, according to the hostess, the old capsule coffee machine is larger. but by the way, the quality of coffee is better from a cappuccinatore. we are, in principle, satisfied, but this is a capsule, but the coffee machine itself hmm, the tray is not very low

or water, where water is drawn in very quickly and you have to change it quite often. as a result , such a hybrid machine copes with the task and prepares both capsule and ground coffee very well. its shortcomings, the risk of scalding. the small volume of the pallet manifests itself only with very active use for a small family. we think she will. an excellent acquisition, a real miracle well, now what news from the world of science and technology we recognized as the most interesting this week. first place - hot fives ancient roman concrete was so durable because of what was previously considered to be its defect, a team of scientists from the usa, italy and switzerland conducted detailed studies and found that the rather large inclusions of lime

characteristic of this material gave it the properties of the formation itself, since calcium carbonate softens when wetted, and then hardens into a new shape. the romans apparently added quicklime to the concrete and this led to its heating and the formation of those very particles that were previously considered a sign of poor-quality raw materials or careless mixing. watch next week at the same time. is it worth it to buy used equipment? look for flaws and not run into scammers stem cells, to whom they give a chance for a second life, and who, on the contrary, can cause cancer smart doors from which it is impossible to forget or lose the key, they open with a fingerprint and respond to voice, but is their protection good against burglary, we will check with specialists, as well as in the miracle goods section, an electric cellar for a balcony that does not allow blanks to freeze,

in winter, a miracle or not a miracle. and now on your screens is the question of the weekly quiz. just check yourself or answer the bills in the qr code with your smartphone. well, if an inscription appears, vote with the remote control. this means that the hbbtv function is working for you. and you can select the correct answer using the tv remote control. press the button from one to four and win one of my books, in which there are many interesting scientific discoveries, but useful , food safe life, strengthening, health, eating and delicious recipes winners we determine every month among those who gave at least one correct answer. and the more hits, the higher the chances, drawings and discussions of the correct answers on the pages of our program on popular social networks. well, those who win, we will immediately call. so do not forget after you answer to enter your phone number the vote is over

the correct answer on your screens. thanks to everyone who participated next question. next week hello everyone. this is the country answer. i am ilya westerner. look what a cool sauna lined up our heroes, it is small, but very cozy. here everything fits and comfortable shelves with lighting 1, 2 3 levels and a stove with stones, but here is a dressing room where you could cool down and relax. no, there is something similar to a utility room with a pit in the middle, although there is communication.