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DateDate: 20-11-2019, 05:49

Today, electric transport is developing at some crazy pace. And five years ago it was impossible to even dream of such a thing. Light electric cars will not surprise anyone, and electric trucks are able to transport goods calmly and almost on equal terms with ordinary cars. Developments are also being made in the field of creating electric aircraft. But the most, perhaps, most interesting development in this area was presented by Airbus specialists - an electric racing aircraft.
 
To begin with, it is worth noting that almost all electric aircraft being developed today are concentrated more on the field of passenger transportation. However, among those who are interested in aviation, there are those who have probably heard about the planned Air Race E competition, which is something like an analogue of the famous Formula 1, but from the world of airplanes. It is assumed that eight pilots of aircraft will take part in Air Race E, who will have to fly along the ring track at a height of 10 meters and at a speed of around 400 kilometers per hour.
However, in the framework of this championship, not quite ordinary flying vehicles will be used. For example, engineers from Airbus and the University of Nottingham created the world's first all-electric racing aircraft called White Lightning. White Lightning, according to the developers, is able to achieve speeds of 483 kilometers per hour, which is a very, very worthy indicator for an electric airplane. But so far, not everything is so rosy.
The lithium battery is, to put it mildly, short-lived, ”says Jeff Walkman, chief organizer of Air Race E. White Lightning can fly at high speeds of only about 5 minutes, and another 10 minutes in standby mode at lower engine power. The airplane and the tournament itself is a kind of “test bench” that will contribute to the development of electric transport in general and air travel in particular.
 
How do you feel about the idea of creating electric planes? Express your opinion in the comments and in our chat in Telegram. The Air Race E racing tournament is due to take place in the early to mid-2020, and some details about the upcoming race are likely to appear in the near future. For example, the leadership of Air Race E is not yet ready to name the other 7 teams (besides Airbus) that will take part in the tournament. But promises to do it "in the very near future."
Returning to the beginning of the article: so why do we need such fast electric planes, given that they can also fly no longer than 5 minutes? In fact, everything is quite simple: as a rule, a lot of technological innovations and processes for the production of various components “run through” these devices. And the technological discoveries made here can go into the “private sector” of conventional air transportation. In the end, something similar happened with motorsport and gasoline-powered cars, when the technologies used on the racetrack were reflected in automobiles for the mass market segment.
techno.bigmir.net

DateDate: 19-11-2019, 05:46

Universal invention!
Human genius knows no limit. American engineers invented a compact convertible chair, writes Fainaidea.
The device is definitely useful for travelers with limited mobility. Relatively light weight, compactness when moving and comfort are three key advantages of the new product. What is it like?
An ordinary-looking chair, capable of transforming into a suitcase with a handle through several manipulations. Only 6 kg and the invention can fit in the luggage compartment. A similar mass of the suitcase was obtained due to the use of a certain aluminum alloy, due to which the transformer chair turned out to be light and durable. Assembled, the suitcase has several compartments for documents and essentials. And in the disassembled, the chair is able to move sharply and at high speed, since it is equipped with a motor, and can withstand a person weighing up to 100 kg.
The author of the luggage chair Richard Williams called his creation Traveler Chair. The invention is still at the stage of finalization and testing. The estimated cost of a fixture in the US is approximately $ 625.

DateDate: 17-11-2019, 07:29

Xiaomi has released a cup with automatic heating and charging.
Xiaomi has introduced another “smart” product for the home - a cup with automatic heating and charging.
What it is
At first glance, this is an ordinary mug made of ceramic. It is durable, and it can also be safely washed under water and cleaned.
All electronics are hidden inside the case. If you put a mug on the wireless charging station that comes with the kit, auto-heating is turned on. The cup maintains a constant temperature of + 55 ° C. But after 4 hours, if no action occurs, the heating is turned off. To turn it back on, pick up the mug from the station and put it back.
Also, the station can be used separately for wireless charging of other gadgets: smartphones, headphones, watches, etc. Its power is 10 watts.

DateDate: 14-11-2019, 06:40

Scientists Kinson Man and Antonio Damasio described an approach that will help create robots with an "artificial equivalent of feelings."
They spoke about this in an article published in Nature Machine Intelligence.
Researchers reported that the key to the emergence of emotions and feelings is homeostasis - the desire of the system to overcome environmental conditions, restore internal balance and self-reproduction. This desire is the basis of the instinct of self-preservation.
According to Man and Damasio, the most promising way to create thinking and feeling robots is a combination of deep learning techniques and the so-called soft robotics (designing robots from materials that are most similar to biological tissues). Such a combination will allow the robots to develop a certain sense of their own vulnerability and a homeostatic reaction to external changes.
Robots with emotions
Scientists also made a reference to the William Ashby experiment, conducted in the late 1940s. Ashby demonstrated an example of a homeostatic reaction in an inanimate system. He created an apparatus called a homeostat - an electromechanical device through which electric current was passed.
When changing the input parameters, the relays on the units of the homeostat were switched in such a way as to return to the preset equilibrium state. Man and Damasio propose combining such a system with machine learning to create robots that can independently evaluate how they interact with them and adjust their reaction accordingly.
Unlike a robot that is hard-coded for each situation or has a limited set of [predefined] behavioral responses, a robot that cares about its own survival can creatively solve the problems it faces, ”the authors of the study write.
However, scientists are not sure that such an approach will lead to the emergence of real emotions in robots, and not to the creation of a “mechanized simulacrum”. Whether mental phenomena can be reduced to processing information on an arbitrary medium is a question requiring a long and detailed clarification.
In any case, the creation of robots capable of exhibiting homeostatic reactions should help to improve their “behavioral autonomy”. Thus, it will be easier for people and robots to interact and resolve conflicts.

DateDate: 12-11-2019, 05:48

Few of the owners of dogs or cats love to leave their pet alone at home for a long time - because this negatively affects the mental and even physical condition of the pet. That is why the developers of the startup company GomiBall decided to please the pet owners with their development of the same name, releasing it on the Kickstarter crowdfunding platform - the development itself is an unusual playing ball for pets. Its uniqueness lies in the fact that it has a truly unusual and wide functionality at a fairly attractive price - and will not let your pet get bored!
The GomiBall ball is a remotely controlled device - to which you can configure automatic work and sleep cycles - made in the form of a small ball with a small motor inside. A user of an Android or iOS device can program the action cycle of the toy so that it rolls around the house, thus inviting the pet to play with it, which will allow it to be occupied for a long time.
The ball itself has really high-strength manufacturing materials, and on the outside it is covered with a special polycarbonate compound officially approved by the US Federal Commission for the Control of the Quality of Medicines and Food - the ball, thanks to the sensors built into it, can detect if it is bitten or touched and emit a slight vibration, which will pet the pet more. Thus, you can leave him almost the whole day alone and be sure that he will be absorbed in playing with the GomiBall ball.
In addition, this toy becomes an excellent trainer for pets, allowing them to stretch their limbs from time to time and prevent the development of various diseases associated with insufficient pet mobility during the day. It is known that at the time of release the toy will cost $ 149, although now users can spend $ 79 on it on Kickstarter!