Karl Lagerfeld, chanel designer, Is Dead

Karl Lagerfeld is one of the most prolific designers of the past half century. On February 19, 2019, Chanel announced that a generation of fashion designer Karl Lagerfeld died in Paris. The media said that he was 85 years old - he was vague about his age.

At the age of 14, Karl Lagerfeld of the metropolis left his hometown of Hamburg, Germany, to the fashion capital of Paris, and entered the fashion world through self-study. Since then, Karl Lagerfeld has been fascinated with the fashion industry for a lifetime, and has designed countless exquisite works for brands such as Fendi, Chloé and Chanel. He himself has also become a fashion logo - wearing a narrow version of men's clothing, wearing sunglasses, white ponytails, forever.

Carl Lagerfeld's most praised achievement is to bring Chanel, who was on the verge of bankruptcy, back to life.

In the 1970s, like other luxury brands, Chanel was obsessed with the rules after the death of the founder Coco Chanel. At the time, Chanel focused on the production of perfumes, and earned most of the profits, but ignored the innovation of Haute Couture, continued to retain or gently modify the design of the late founder, and gradually slipped to the edge of the fashion industry.

Nearly a decade after the founder passed away, the troubled Chanel boss Alan Wertheimer made an important personnel decision to hire Carl Lagerfeld, who had worked for another fashion brand Fendi, as Chanel designer. Plastic brand.

The fashion industry is changing rapidly. Popular today, it may change soon.
After Karl Lagerfeld's death, Chanel has announced that Karl Lagerfeld's longtime collaborator Virginie Viard will succeed Karl Lagerfeld's creative work.

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Chinese Lantern Festival why prosperous, why decline?

Today is the Lantern Festival, a traditional Chinese festival.Historically, it was the biggest carnival for Chinese people.

But today, compared with the Mid-Autumn festival and the Dragon Boat Festival, the Lantern Festival has received little attention.

The ancient people attached importance to the Lantern Festival, the main reason is that during the Lantern Festival, the imperial court will lift the curfew, allowing people to go out at night to celebrate. In normal times, people living in cities, except for funeral , medical treatment and marriage, are strictly prohibited to travel at night without any reason, or they will be flogged.During the Lantern Festival, people can break through the boundaries of high and low, go to the street to watch lanterns and guess riddles, And play freely.Weekday the woman in the home that be trapped, also had god-given opportunity to go out.

After the republic of China, the status of the Lantern Festival began to decline sharply.Because, after entering the republic of China, except in special circumstances, there is no curfew. The night life rights of the ancients were greatly suppressed by the curfew, So the Lantern Festival became a rare opportunity for "legal carnival".Curfews aside, the Lantern Festival "night tour" of the precious, nature will no longer exist.In addition, the society is becoming more and more open, men and women have Plenty of opportunities to communicate, also do not have to wait for the Lantern Festival.

How much modern people pay attention to a festival, largely depends on whether there is a holiday and holiday length.With a holiday, the Lantern Festival's presence would be diminished.

Lantern Festival, has become the Chinese people's biggest carnival, the Spring Festival "aftereffect".

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Scientists have invented a new thermal generator that can charge smart wearable devices

According to reports, scientists have developed a non-invasive wearable device that can extract electricity from body heat. The base of the device is non-toxic and non-allergenic, made of ordinary old cotton fabric.

On this cotton fabric wristband, a special coating is applied to collect the body temperature "power generation". Theoretically, one end of the fabric contacts the human skin, and the other end is exposed to the air, and the temperature difference between the two ends is greater. The electric output is larger.

Researcher Trisha Andrew, associate professor of chemistry at the University of Massachusetts at Amherst, said: "Coating is an important part of the technology." The research team used to use other ingredients to make energy harvesting devices of the same principle, but unfortunately toxic.

At the same time, human sweat can improve conductivity. This technology is suitable as a stable trickle charger for batteries, which in turn powers a wearable device, such as fitness trackers and medical monitors, especially for the current popular sports. Exercise to create a wearable device, this technology may solve its charging problem.

The research was published in the journal Advanced Materials Technologies, and the research team said it has patented the technology and is currently considering using it for future charging of wearable products.

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History's first "robot citizen" Sophia has welcomed a little sister

Sophia the robot is known around the world for her jokes and was granted citizenship by Saudi Arabia for the first time in human history.Sophia has almost exactly human skin: made with a malleable material called Frubber, the pores of her face can be anywhere from 4 to 40 nanometers in size, and her face and neck have 62 muscle structures that allow for natural facial expression.

Sophia recently welcomed a "" little sister" "Sophia, a new STEM, AI and programming robot aimed at kids ages 7 to 13.
At present, little Sophia is crowdfunding on the foreign crowdfunding website Kickstarter, with the goal of 75,000 dollars, which has reached 126,000 dollars, and there are still 47 days left for crowdfunding, and the expected delivery date is December 2019.

According to the official introduction, little Sophia has the same lovely personality as Sophia, is playful and curious, can generate a variety of human facial expressions, and can respond to orders, positive dialogue.

Little Sophia is the first consumer robot independently developed by Hanson Robotics.

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Ai wins starcraft and then has to challenge tower building

For decades, various artificial intelligences have gradually won competition with humans in competitive games, such as chess, go, even Rubik's Cube, StarCraft, and so on. Nowadays, robots have begun a new exploration - the stacking game.

A recent video from the Massachusetts Institute of Technology shows that a robot developed by the school's engineers is playing the game with amazing precision. Alberto Rodriguez, Department of Mechanical Engineering at the Massachusetts Institute of Technology, said: "This robot is equipped with a soft gripper, a force wristband and an external camera that can make the robot look like a human. The weakness of the perceived tower."

"Unlike purely cognitive games such as chess and go, stacking games require players to master physical skills such as detecting, pushing, pulling, placing, and building blocks. It requires interactive sensing and operation. You must touch the wood. The tower learns how to move bricks and master the timing of moving bricks. It's hard to simulate, so robots must learn in real life and interact with real stacks, Rodriguez said.

Researchers say the robot shows that machines can learn how to perform certain tasks through tactile and physical interactions rather than relying solely on the visual system. This sensitivity is important because it further demonstrates that robots can be used to perform tasks that require subtle operations or are extremely flexible.

Rodriguez said: "In the assembly line of mobile phone production, almost every step of buttoning or screwing feels from the feedback of force rather than vision. Using this behavior as a learning model is to build this technology. Important foundation."

To be a skilled gamer, robots don't need a lot of imaginary exercises. The researchers designed 300 small games for robots to train in. At present, robots have begun to confront humans. Of course, robots are not humans. The opponent, the future is hard to say.

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The first quantum computer power source in Russia has been developed

Quantum computers cannot use ordinary power supplies because such computers may treat small changes in current performance as changes in the processed information and give erroneous results. Russia's Novosibirsk State Technical University developed the first quantum computer power supply in Russia and tested it.

To date, expensive imported power sources have been used for research related to the manufacture of Russian quantum computers. According to Alexei Vostrezov, the academic vice president of the National Technical University of Novosibirsk, the multi-channel power supply successfully produced by Russian engineers is as good as similar foreign products.

Vostrezov believes that from the perspective of national security, the manufacture of domestic quantum computer power is of great significance. In recent years, the competition of quantum technology has mainly been carried out among major powers. At present, China, the United States and Russia are actively developing quantum computers with multiple qubits. In the fall of 2018, the EU launched a 1 billion euro quantum technology development plan. The first country to create a quantum processing information system will gain significant advantages over other countries. The amount of computation that quantum computers can do in minutes or even seconds, and modern computers take years.

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Beidou satellite "escort" Western Pacific real-time scientific observation network data transmission

On the 31st, China's new generation of ocean-going comprehensive scientific research ship "Science" successfully completed the Western Pacific comprehensive inspection voyage and returned to Qingdao's home port. The expedition team carried out maintenance and upgrade of the West Pacific real-time scientific observation network in this voyage, realizing the real-time transmission from Beidou satellite. Observing network data improves the security, autonomy and reliability of real-time transmission of deep sea data.

Wang Jianing, the chief scientist of the voyage and a researcher at the Institute of Oceanology of the Chinese Academy of Sciences, said that the expedition team carried out maintenance and upgrades on the 20 sets of potential targets of the Western Pacific Real-Time Scientific Observing Network, including replacing batteries, optimizing stations and installing Beidou satellite communication modules.

Since the Beidou satellite is generally used in ships and island reefs, the communication module size and power consumption are not limited. The submarine standard volume is very small and can only be powered by batteries. This requires that the Beidou satellite communication module not only has to be small, saves electricity, but also runs stably. To this end, the Institute of Oceanology of the Chinese Academy of Sciences has specially developed the Beidou communication module suitable for the submarine.

“In addition, data such as seawater temperature, salinity, flow rate and flow direction observed by submarine targets are transmitted back to the land laboratory through satellite every hour, and the amount of data is large. To this end, we have developed a multi-module communication transmission technology.” Wang Jianing Said, "It's like transferring a movie. We split it into 10 copies and transfer it to a computer at the same time with 10 mobile phones. The transmission efficiency is greatly improved. After receiving different data packets, the background is combined into one. the film."

It is understood that since the use of Beidou satellite, the real-time data transmission of the Western Pacific Real-Time Scientific Observation Network is very stable.

Wang Fan, director of the Institute of Oceanology of the Chinese Academy of Sciences, said that the Western Pacific Real-Time Scientific Observation Network realized the use of Beidou satellite to transmit real-time observation data, which changed the history of relying on foreign satellites in the past and improved the security, autonomy and reliability of real-time transmission of deep-sea data. .

This voyage, the expedition team members inductive coupling and underwater acoustic communication technology, the depth of real-time transmission of observation data from 3,000 meters to 6000 meters.

It is understood that China's self-constructed Western Pacific real-time scientific observation network currently has 20 sets of submersible standards, 4 sets of large buoys and shipborne mobile observation equipment, etc., and has continuously obtained 5 years of deep sea observation data in this area.

Wang Fan said that the data obtained by the Western Pacific Real-Time Scientific Observatory will serve deep-sea frontier research, climate prediction and marine environmental forecasting, especially the data transmitted in real time will improve the accuracy of climate and marine environment prediction.

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