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DateDate: 4-06-2019, 05:59

The People’s Liberation Army of China successfully tested a new generation intercontinental ballistic missile intended for launch from submarines.
 
The rocket - presumably JL-3 - was launched from the submarine on June 2 at 4.28 local time from Bohai Bay near the Shandong Peninsula, writes Defense Blog. The launch was noticed by numerous fishermen and eyewitnesses on land, a video of the rocket’s flight appeared on the net.
The third-generation solid-fuel ICBM JL-3 is designed to be deployed on submarines, has a range of 12-14 thousand kilometers and is capable of carrying up to 10 individual-directed thermonuclear warheads. The first test of the rocket took place in December 2018.
The launch of the main nuclear submarine, the carrier of the JL-3, is scheduled for the mid-20s.
Source: News Yu

DateDate: 3-06-2019, 05:57

The drone has two jet engines.
Photo by Clearpath Robotics.
The drone weighs 28 kilograms.
Photo by Clearpath Robotics.
Increasingly, there are news about new opportunities for unmanned vehicles that help build low-cost housing, search for lost people and even pollinate plants.
Reports of flooded unmanned vehicles appear less frequently. But recently at the international conference on robotics and automation ICRA 2019, the surface vessel Heron USV was presented, whose functions may be useful in several areas at once.
The UAV, which moves on the surface of the water, is produced by the Canadian company Clearpath Robotics. The vessel weighs 28 kilograms and has a length of 1.35 meters.
Heron USV is driven by two jet engines powered by batteries. They accelerate the unit to a maximum speed of six kilometers per hour.
The engines are located in each of the bi-directional pontoons, which allows the drone to turn in place or move in the opposite direction.
The device is equipped with GPS receivers, so that the Heron USV can find the right direction. At the same time, the vessel is capable of carrying up to 10 kilograms of equipment.
The drone weighs 28 kilograms.
Photo by Clearpath Robotics.
Autonomous swimming apparatus may be useful to researchers who study the seas and oceans. So, a beginner has an open source code that allows you to customize the device to fit your needs. According to the developers, Heron USV has all the qualities of full-size passenger boats, only in miniature.
This means that it can be used, for example, to measure sedimentary rocks in water bodies after heavy rains. Usually you have to send a boat with a man on board with a GPS device and a long stick to measurements.
"The employee determined the depth in different places. Now all that needs to be done is to launch the drone, which is equipped with a sonar and does all the necessary work," said Jeff Schmidt of Clearpath Robotics.
In addition, the device can be equipped with a water sampling system for various studies.
The developers add that the drone can be used to monitor the water areas.
We add that earlier "Vesti. Science" (nauka.vesti.ru) wrote about underwater robots, which will be a three-dimensional map of the distribution of plankton in the ocean. Launch a drone is planned in the Arctic waters.

DateDate: 2-06-2019, 07:42

Experts on experimental flight technologies from the University of Delft today demonstrated a very unusual and unique in all senses prototype miniature high-speed drone, which has already managed to light up as the smallest fast drone in the world. It is worth noting the fact that the new high-speed drone is more a technological base for creating something more interesting and functional, however, in its current form, it cannot but surprise with its excellent balance of size and flight speed - moreover, it can Calmly compete with many higher-speed, high-speed drones.
The drone model has only 4 inches in diameter and is able to reach speeds of 2 m / s, which is a really interesting and excellent indicator, which one way or another is characterized by the promising character of its further improvement. The basis of the new flight drone is the use of a special system of sensors of the visual and high-altitude type, all of which fits on one small fee - thanks to this, the experts have managed to make the size of the drone as small as possible.
The team also says that the drone itself is distinguished by fully automatic control based on its built-in AI algorithms, which mainly calculate the height and current position of the drone relative to other objects - the algorithms allow the model to independently learn how to choose the most rational route and avoid various problems in the air - experts have already driven their prototype with several tests and flight tests on a specially equipped site.
Thus, the flight drone of such a small size is a really promising and interesting development, which very soon will become the name of the nominal super-fast drones. It is assumed that experts will further focus on improving the performance of internal algorithms, which will, in turn, cope with the expansion of the automatic capabilities of the drone.

DateDate: 1-06-2019, 07:21

The Chinese company has invented a unique robotic cat
How alive: the Chinese invented a unique robo-cat, all the details
The Chinese have created a robo-cat that reacts to the touch of a person.
In addition, the toy is able to recognize human speech, as reported by the portal Korrespondent. The unique entertaining toy was made by Ekasbo.
The Chinese called the cat-robot "Matebot". It is worth noting that the robotic cat moves as many as seven limbs. He can recognize his master by the human voice.
Matebot was created as an interactive companion. It is also perfect as a “pet” for those who, for whatever reason, cannot yet get a live pet. The cute design of the robot will also be very much enjoyed by children, who will be able to play with it and at the same time get used to taking care. Note that the cost of the robot, the code it goes on sale, will be from $ 45.

DateDate: 31-05-2019, 05:54

On the branch length of 36 kilometers run completely unmanned trains.
In the Australian Sydney, the first full-fledged metro was opened, and trains there are automatically controlled. About this writes N + 1.
The subway consists of 13 stations, its length is 36 kilometers. The project contractor was the French company Alstom, which also delivered 22 trains and undertook to serve them for 15 years.
According to the plan, by 2024, the Sydney metro system will include 66 kilometers of the railway line and 31 stations.
This is the first subway line that was launched in Australia. Until now, there were only a few underground stations for land transport in Sydney and Melbourne, but there was no high-grade metro.
Sydney is Australia's largest city with a population of almost 5 million people. The city is separated by the bays of Port Jackson and Botany. Parts of the city are connected by ferries and coastal rail lines.
The metro should speed up passenger service between different parts of Sydney.