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Post by beauty on Mar 4, 2012 5:10:46 GMT -5
Medical equipment R & D success of new cardiovascular disease Science Times, Changchun, October 17 (correspondent in Berlin Correspondent Stone Mountain): a research and development by the Chinese Academy of Sciences, Changchun should be of small size, light weight, high sensitivity, fast transmission of data, can the same time, the heart sounds, ECG dynamic monitoring of new medical equipment, recently passed the acceptance and identification of the Jilin Province Science and Technology Department of the Ministry of Science and Technology. The experts believe that the instrument has opened up a new direction of the ECG and other medical equipment. Cardiovascular disease is one of the three major killers of the threat to human health, but clinical monitoring of cardiovascular disease and pathological analysis of the prevalence of Holter Phonocardiogram examination phase separation, the two can not synchronize data acquisition, data transmission speed is slow , bulky and difficult to portable and other issues. To do so, accelerate research and development, clinical monitoring of cardiovascular disease and pathological analysis of new dynamic instrument of the hot spots competing research and development at home and abroad. Changchun should be of the bear in 2001, the Ministry of Science and International Cooperation Key Project of the flexible sensor film and dynamic heart rate ECG monitor ". After several years of painstaking research, they broke through a series of technical difficulties of synchronization stretching and corona poling, orderly orientation of the crystal, the crystal conversion, ordinary resin polyvinylidene fluoride doped material functional, successful preparation flexible piezoelectric sensor film, can collect the faint of heart sound signals of the human body and its application in the sensor of the core component, the research and development of the whole instrument to open the door of victory; design new processes to achieve continuous films preparation. On this basis, the solution of many problems of analog circuits, intelligent unit, interface, Holter and simultaneous monitoring of heart sounds. It is reported that the instrument has been tested in the hospital. The trial results show that the instrument can be synchronized as needed heart sounds and ECG monitoring, the signal is not distorted, accurate and reliable test data, the speed can be more convenient for patients carry, accurate diagnosis of myocardial disease for doctors to provide a full and reliable scientific data.
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Post by beauty on Mar 4, 2012 5:09:20 GMT -5
German scientists have developed computer models predict the spread of infectious diseases According to Xinhua: German scientists have recently developed a computer model to predict the global spread of infectious diseases, which is characterized by the combination of the local infection dynamics and simulation of global civil aviation transportation network. Germany's Max Planck Society has said a press release, this model jointly developed by the Göttingen Max Planck Institute for Fluid Research Institute and the University of Göttingen, it can not only describe the global spread of infectious diseases, and the use of computer simulation technology, can also predict development of the epidemic, especially the prediction may have been particularly threatened areas. The researchers launched for the propagation behavior of pathogens. They first developed a dynamic model of epidemic infection by air travel between the two different transport hub, and transmission to other passengers. In the model, the researchers counted more than 2 million times a week flights between 500 airports around the world, covering about 95 percent of the global civil aviation transportation. The geographical spread of infectious diseases through the analysis of the liquidity situation of the global air passenger forecasts. In this way, researchers, London, New York and Frankfurt and other major aviation hub in a heavy responsibility in the process of the rapid spread of infectious diseases, In contrast, the pathogen first appeared locations has little to do. In addition, the spread of infectious diseases, the transport hub of the city's airport scale much smaller than the airport route dense extent. The communique says that the model is a random differential equations, the dynamic description of the epidemic spread and infection. The model parameters and disease-related values, such as infected individuals, the average caused by secondary infection of quantity, the cure rate and mortality. 2003 SARS outbreaks, pathogens can quickly spread out around the world through modern aviation network. This new model during the global SARS outbreak last year about the experiment, the result is very consistent with the actual spread of the epidemic. Previously, infectious diseases, mathematical standard model is a diffusion process to describe the epidemic spread of this diffusion process and the diffusion of molecules in the fluid and react chemically with other molecules is very similar. The researchers believe the new model will help reduce damage and casualties in humans to deal with the new epidemic. Before the implementation of the vaccine and control measures in the computer model the effectiveness of various prevention strategies for testing and comparison. As the fast spread of the epidemic today the emergence of such predictions has great significance.
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Post by beauty on Mar 4, 2012 5:08:30 GMT -5
Chinese scientists invented a new weapon of the detection of bacteria Science Times News (Reporter Wang Danhong): Chinese scientists, Chemistry, University of Florida and bio-nano center of Professor Tan Weihong and colleagues have developed one kind of biological nano-particles, and be able quickly to detect a latent in the ground beef a single E. coli, also able for biological terrorist attacks the bacteria issue vital early warning, or for the early diagnosis of the disease. Their findings are published in the October 19 issue of the U.S. "Proceedings of the National Academy of Sciences, they detected E. coli tunnel scanning microscope picture became the cover of this issue," Proceedings of the National Academy of Sciences. Tan Wei Hong said: "We are committed to the development of a bio-nanotechnology, which combines the technologies of nanotechnology and biochemistry to create a new type of bio-nano-materials, the extraordinary nature of this material allows us to detect a single bacterium within 20 minutes . " Tan Wei Wang and other newly synthesized compounds called "bio-synthetic nanoparticles. They will track certain bacterial antibody linked to the tiny particles containing dye, this biosynthesis particles containing antibodies to identify specific bacteria. Researchers into many fluorescent dye molecules in which particles, once the particle is found that the bacteria will produce a strong optical signal. Fast and sensitive analysis is extremely important not only for the early detection of disease, but also of major importance in the battle against bioterrorism. The traditional way to analyze a possible bioterrorism agents take a few days, and request to block the entire region during this time. However, applications Tan Wei Wang's research team of the new method requires only 20 minutes. Chad Mirkin, professor of chemistry at Northwestern University, director of the Northwest Institute of Nanotechnology, he believes this new technology promising, he said: "This is an impressive bacterial detection method, it will be food security impact. " Tan Wei Wang's research team is currently being developed can detect a variety of bacterial biosynthesis of nanoparticles, these bacteria, including Salmonella, Bacillus cereus spores, as well as food in many toxic substances. Tan Wei Hong said, this ultra-sensitive particles can also be used for detection by terrorists as a weapon of bacteria, the ultra-sensitive analysis of environmental samples and the early diagnosis of disease. He believes that this new technology is the true integration of biological science and nanotechnology. Tan Wei Wang won the bachelor's degree in Hunan Normal University, Department of Chemistry, Chinese Academy of Sciences, a master's degree and the University of Michigan physics doctorate in chemistry. Has taught at Hunan University, Hunan University Professor Wang Kemin to carried out the research work of the nano-and single-molecule level of bio-analytical chemistry, molecular design and biomedical engineering.
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Post by beauty on Mar 4, 2012 5:07:39 GMT -5
Japan has developed a portable sleep meter, provide the scientific basis for improving sleep TOKYO, October 11 (Ho Tak power): Japan's Toshiba Corp. has developed a portable heart rate to determine the depth of a person sleep sleep total. It can easily check out the sleep state to provide a scientific basis for improving sleep. Japan's "Yomiuri Shimbun" reported on the 10th, the body responsible for controlling sleep organization of the brain stem. Brainstem activity and heart rate and respiratory rate are closely related. Indirectly through the analysis of heartbeat interval changes can determine the state of sleep. The count of new type of sleep is developed based on this principle. The specific methods of work of the sleep meter is through the finger to measure the pulse beat of the data the data to the watch device worn on the wrist, then passed to the computer by a watch-type device with wireless. Specialized software installed on your computer according to the heartbeat data to determine the sleep state, sleep is divided into a deep sleep and light sleep. Researchers to use the sleep meter and a direct measurement of brain waves, the age of 40 in the 10-year-old to 80-year-old men and women sleep to judge the accuracy rate of 75%. Toshiba Research and Development Center Research Office, Suzuki cut rule that, according to the sleep state, the use of air conditioning, lighting and stereo system to be adjusted, can improve sleep quality. Sleep state is bad fuse cause various diseases and accidents. Measure the sleep state to provide a scientific basis for the regulation of sleep.
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Post by beauty on Mar 4, 2012 5:06:51 GMT -5
Singapore system is a new type of contact lenses, there is a certain therapeutic effect Singapore researchers recently developed a new type of contact lenses through the eye of the body to release the drug, and thus play a certain degree of therapeutic effect. According to Singapore's "Lianhe Zaobao" reported on the 6th, in charge of the R & D program is the Singapore Bioengineering and Nanotechnology Science and Technology Research Institute, Dr. Zhao Pixiong. He said that the contact lens is the drug liquid and contact lens materials blend, contact lenses, refractive index and transparency of the drug does not affect the drug release can be controlled. Due to the contact lens with many nanoscale microporous structure that allows the drug through the lens into the eye, through the body. He said that the new contact lenses can release the drug, can also keep the eyes moist, suitable for dry eyes. At present, researchers have completed the animal clinical trials, and Singapore, a company has successfully their business, consumers are expected to buy this new type of contact lenses within a year or two.
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Post by beauty on Mar 4, 2012 5:05:55 GMT -5
Rely on the teeth, answer the phone, to see things with his tongue, and listening to music through the temple To see things your eyes, listen to the sound use ear-year-old child also know that common sense, but modern technology can change this rule, some magical new civilization and even to change the function of our five senses. Tongue: to help blind people see the world University of Wisconsin researcher Paul recently developed a "tongue display system. Experiment, the researchers will be a healthy people blindfolded, placed in its mouth contact of a flat, let tongue against the Researchers through a special current images of objects on the electronic signal is passed to the tongue, a few minutes later, the tongue nerve signaling to the brain, "the blind man can see before us the letters. The tongue was competent to pass members work on the distribution of a large number of tactile cells in the tongue is extremely sensitive to electrical stimulation, and the tongue of saliva secreted by the low voltage can achieve the smooth conduction of the current. The tongue can "see" letters, you can read, watch the world, in terms of the system with poor eyesight or blind, is undoubtedly a great boon. The experts pointed out that the short term, this system is expected to replace the blind letters. However, the effect of the perception of the system of things is not yet clear and needs further improve image clarity. Paul pointed out that "the tongue can not really replace the human eye," but this technique is the perfect will greatly improve the quality of life of the blind. Teeth: calm and collected to answer the phone If the long tongue eye surprising, then teeth, long ears "is even more incredible. Products exhibition organized by the Science Museum in London not long ago, a new invention called a body trusted device "has attracted a lot of attention. Use the phone a friend how much encountered such a dilemma: the phone is a lost and then lost, suddenly a bell rang in the meeting, and so on. London's Royal College of Art graduate James and Jim design "tooth phone" is expected to solve these problems. The small size of the device consists of two parts: vibration device and a wireless receiver. The receiver can receive the digital signal coming from the radio and mobile phones. The voice information through the vibration device into sonic vibrations pass to the skull, and ultimately by the teeth, the inner ear to the acoustic information is received, will revert to the original sound. Since this vibration is at the molecular level, not only did not murmur, clear sound, and even if you open your mouth will not affect others. Reportedly, the "tooth phone" can not only answer the phone, listening to music, but also listen to the voice of the Internet system. The experts say, some hard of hearing people can take advantage of the "tooth phone" to improve hearing. This device has a wide application prospect such as spies to receive secret instructions or Athletes in the training process to accept the coach conductor. However, the "tooth phone" there are drawbacks: First, it requires professional dental surgery, implanted teeth to use. Moreover, this device can only "listen" can not "say". Temple: listening to music underwater MP3 player for many people is nothing new, but a student of the Department of English at Brunel University Design, Sam? James invented an underwater temple to listen to music playback system. James is a swimming enthusiasts can listen to music while swimming. May be present, no matter how advanced music player can not be used in the water. So he designed a MP3 player, not afraid of water. James will be the core device of the player - the drive is installed in the goggles of the temple, and make the player and goggles combined. When a player to play music, the music will drive oscillation, directly into the inner ear through the skull by the temple. In this way, the sound transmission completely through the outer ear. In the water, the conventional technology can not bypass the ear canal, the surrounding environment arising from the noise will enter the outer ear, the quality of the impact of music listening. Underwater listening experience unexpectedly be greatly improved. This invention, there are many other advantages. For example, in the long-distance exercise, if you are using a traditional player, a big sound on to hear any sound around, switch to such a device while listening to music, but also hear the sound of passing traffic, which greatly improve security in the exercise. In addition, studies have shown that moderate oscillation can promote bone growth. It can also be further developed into a professional underwater communication products, has broad application prospects.
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Post by beauty on Mar 4, 2012 5:05:01 GMT -5
British scientists to create a monitoring system: they predicted that terrorist British scientists have developed an incredible monitoring system, it can be identified within seconds from the sea of suspected "terrorists", which predicted terrorist! " However, questions about which students - one not yet made any "terrorist action", and it is still counted as "terrorists"? According to reports, this new monitoring system can be predicted that terrorist "named" Intelligent Walker surveillance, jointly developed by the South London's Kingston University and Ipsotek technology companies. Ipsotek competent Ken Moore said the magic of the IPS system is that it can almost read the terrorists inside thinking "General, can within seconds from the big crowd to identify the suspected" terrorists ". According to reports, the IPS system is enabled, connected to it and the existing surveillance cameras across the UK, the use of an advanced program to analyze the images taken by the monitor. During the analysis, the pedestrian moving pictures photographed by the monitor will be simplified as a series of pixels, and compared with the pre-set data in the computer. Once the software comparisons, I found the screen a person's actions "different" - for example, a person in Buckingham Palace or a government building potential "target building" around aimlessly wandering for a long time, the monitoring center The computer will automatically sound the alarm. Immediately, the duty officer can visit the suspect on the computer screen enlarged, more detailed inspection of the replay the video of his previous activities. Allegedly, the IPS system magnification up to 400 times, even suspect, eyebrows, beard can be seen clearly. After a series of recognition, if the duty officer feel the need, and will notify the police or plainclothes officers to take action. Ipsotek company said, the IPS system has basically developed, will be fully completed within two months. It is reported that a district in London is using the IPS system to monitor the activities of prostitution and street crime. Analysts predict that the application of the IPS system may lead to more such as the infringement of citizens' privacy controversy is bound to have some innocent citizens by the monitoring system is designated as "terrorists" in the column: You can imagine, if a citizens at the mall, hang out too long, he will become a suspected "terrorist"! In addition, a paradox of Health - For a people who have not made any "terrorist action", is also referred to as "terrorists"? In any case, at least one thing is certain: using the IPS system, Buckingham Palace and the Capitol may be a safer place.
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Post by beauty on Mar 4, 2012 5:03:49 GMT -5
The latest discovery and innovation: Silk woven skin is expected to replace autologous skin graft. Skin graft after skin deep burn patients can be described as "robbing Peter to pay Paul" Even so it is difficult to completely restore the original appearance of the skin and function. However, the reporter learned from the just-concluded China International Silk Conference, these traditional autografting may be lovely silk of silkworms secreted protein to replace, specifically, is the silk fibroin and sericin by scientists Cherish "conjure up" the skin, bones, blood vessels. According to reports, the Institute of Materials Engineering of Suzhou University more than a decade in the silk proteins of biomedical research areas frequently breakthrough: to be included in the national "863" high-tech silk protein artificial skin was developed in the second half of last year, and in animal experiment to achieve the desired effect, will enter the clinical research stage. The artificial skin of silk protein using the principle of tissue engineering, high-tech natural silk fibroin from the development as the main raw material, has good biocompatibility, for the treatment of deep burn wounds, with our own intellectual property rights been a number of national invention patent protection. At the same time continue to carry out medical research of the silk fibroin, the School of Biological Materials Task Force again aimed at the right like magic sericin. Sericin is composed of 18 amino acids of the natural water-soluble globulin. Sericin in silk production, is used as a waste discharge, this is not only a huge waste of resources, can also cause environmental pollution. The researchers found in the study The sericin biodegradable better than the silk fibroin, that is, When sericin become the carrier of cell proliferation and tissue regeneration and to complete the task, the more susceptible to human tissue absorption. The development of new materials can not only broaden the use of silk, and promote artificial tissues, artificial organs, sericin turning waste into treasure the coup. Currently, the group has successfully prepared porous sericin materials, is embarking on the structure and performance.
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Post by beauty on Mar 4, 2012 5:02:51 GMT -5
Japan developed the system of patients and dialogue in the virtual space In order to alleviate the psychological burden of patients in the process of a doctor, a Japanese non-profit organization Meierneisi Ariake University developed a virtual dialogue system for patients and physicians. In this system, patients and physicians by computer in three-dimensional animated character on behalf of the dialogue in the virtual space. On the computer monitor screen, the identity of patients and physicians are three-dimensional animated characters sitting at the table opposite. Real patients and doctors in front of their computer typing, animated characters on the screen dialogue. Such as the doctor asked: "how mood today?" Patient A: "Today was okay." Will also move your mouth when animated characters speak. The researchers plan to more than 100 patients from October to participate in the use of this system test. According to reports, the patient can also be used in this system communicate with each other, row Jieyou Chou. So far, researchers have several cancer patients to trial the system. Patients believe the scruples less, you can open your heart to speak through the system. The doctor is considered important in the diagnosis or in person, the system only as the interrogation of supplementary means.
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Post by beauty on Mar 4, 2012 5:01:28 GMT -5
Blink of an eye will be able to control computers, Japanese scientists invented the mouse pupil Turn the eyes, the cursor on the computer monitor can be followed by eye movement; eyes blink about, want to be able to link to enter the area - this is Japan's Shizuoka University Engineering Department of the sea and old Zejia stretch invented by Professor pupil mouse magic. Light entering the pupil through the retinal reflection, some of which with the direction, and return to the position of the light source. The light of such features, the researchers on the computer monitor next to the near-infrared light-emitting diode placed into two annular light source. The ring light source to install the cameras, shooting people's faces, which can be found in the two pupil stare at the display location. Control of the keyboard with the cursor by moving the point of view, focus on the display screen button turns from green to yellow, the eye blink can be entered. The pupil mouse only by turning the eyes and blink of an eye will be able to control a computer with a very simple. The camera also can be purchased in the market, relatively low cost, wide range of applications. The researchers plan to put into practical application within a year, the pupil mouse. Prior to this, the researchers found the use of head movements to control the cursor. However, this method requires the installation of various sensors and indicator in the head and a burden on people to use the computer.
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Post by beauty on Mar 4, 2012 4:59:33 GMT -5
Medical system developed in Japan with a hair University of Hyogo, Japan and food company researchers jointly developed the use of radiation facilities detect a hair trace elements content. As contained in calcium, iron and zinc and other trace elements in hair and body status and disease are closely related, this outcome is expected to be used for medical system developed by using a hair. Researchers used radiation facilities "S-ring" can produce a variety of X-ray wavelength, different substances will be issued under the irradiation of X-ray fluorescence, the researchers used this phenomenon to identify the type and content of trace elements in hair, analysis of the concentration of various elements. Hair cut into a 40-micron thin slices, using X-ray, can detect a concentration of 15 kinds of trace elements. If the lack of chromium in the hair, it may lead to high blood pressure, the amount of the zinc content and dermatitis, dysgeusia. From hair roots to the tips of the hair can be detected, while the hair on the different fragments of different periods of growth, contained concentrations of elements are also different. Thus, by the growth of hair can track changes in the body. Relevant experts believe that with the trace elements in the hair more than 10-100 times the blood as a physical examination of the material is simple and effective, especially by tracking the changes of the human body from the hair root to the tips of the hair analysis, hair check-ups the biggest advantage of the situation.
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Post by beauty on Mar 4, 2012 4:58:49 GMT -5
Do not forgetful of the United States to develop anti-forgetfulness watch, to remind people U.S. scientists have recently developed an anti-forgetfulness watch it with the radio frequency identification technology, to remind the wearer not forgetful, forget to carry important items. Magazine quoted the words of the University of Washington scientists ¡E Borriello Gaetano wear this table you first need to affix a value of 25 cents a radio frequency identification tags in the watch, wallet, keys and other items, so if you when you forget to bring these items, your watch will be issued beeps, then the information will show you have forgotten something. " Borriello said RFID tag contains a small circuit, an antenna and a memory chip to store a unique identification code. When you use a radio signal "call" label, it returns its own identification code, the effective distance of about three meters. This software can be stored inside the watch carried by all necessary information, and set the appropriate procedures. This way, when you out of the house, can be set to take the keys, coat, purse and cell phone; and when you go out to eat at noon from the company, can be set to remind you to wear badges. It is reported that this watch will be launched in September this year in the Sixth International Computer Applications Conference in Nottingham, UK.
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Post by beauty on Mar 4, 2012 4:58:01 GMT -5
Biomimetic robots closer and closer. The concept of "robot", I believe readers will be the same reaction - man-machine. But reporters saw "2004IEEE robotics and bionics International Conference on, to change this simple understanding. The stout is strong on the industrial assembly line, repeat the action under machinery and equipment can be called a robot, happy people, at home amuse children, elderly amuse intelligent dog, also known as robots. Venue outside the small tank-like display of teaching robots. For these visible, tangible, and even one day can bring home the "robot", we can not help but lament that the robot is getting closer and closer to us. "Bionic" is not just imitate This international meeting will be the theme for the new frontier of the 21st century: robotics and bionics ", aimed at promoting the integration of these two important technical areas. There is the "bionic" words, the current Chairman of the General Assembly, Shenyang Institute of Automation, Chinese Academy of Sciences research fellow horse book roots and Hirose Shigeo point of view is similar. They believe that the "bionic" can not really show the full meaning of the English in Biomimetics. "The concept of bionics should be very broad, sometimes in the shape and action will be borrowed imitation insects robot, because it's small size, like a bee, the change of direction is quite flexible, while larger birds so convenient. we need to do from the structure, control, motor skills bionic. " On the other hand, they feel that the Chinese "bionic" only emphasizes the "imitation" of biological structure and function, while in the scope of practice has gone far beyond this limit, horse book, Description: "For example, we can drill down to biological tiny cells, nanotechnology, control technology and other areas such as materials science technology, it is possible to create the arm of some muscle function, other organs may be based on need to make out. " The robot is a hodgepodge? Professor Ma Shugen do not have a clear definition of the concept of "robot", in order to real development in many fields, multiple disciplines, specifically set up a name and a surname, "robotics" is very necessary. This point the reporter then interviewed the object has been confirmed. This is Japan's Tokyo Institute of Technology Professor Hirose Shigeo, the world's leading scientists in the field of biomimetic robots. "The robot gives the impression that that is a hodgepodge, machinery, electronics, computers, control subjects, it seems there is nothing new, is not so. Robot can do it with some basic theory. But with the pioneering thing to do is robotics. For example, in industrial manufacturing assembly line, one robot only need to complete a job, welding a part of, tighten a screw and other but the purpose and function of the bionic robot will certainly have to break this limit be able to do more action, more complex tasks. comprehensive quality improved, his function is certainly more complete. "he said. Allow the robot to care for the elderly? Reporter or want to understand these shapes of biomimetic robots exactly what impact on our lives. Hirose Shigeo change angles to explain: "technically can be achieved, but need not necessarily have bionic robot to do the opposite view, that this thing is not practical, for example, spend a great effort made an robot services for the elderly, but for human nature, the elderly do not need a dead machine to take care of the feelings of the people to take care of, so do not necessarily need them. how to do? biomimetic robots now The biggest role is to show good results, showing the overall quality of the robot, these skills, technology integration is very important. a robot may now do nothing, but we put the movement mechanism of biological control mechanisms learned, the real need can be used, which is a science. " Moving chairs and tables will be dancing The robot technology is a national strategic high-tech, have a wide range of applications in industrial, aerospace, marine, medical, and human life. In fact, in this area of the robot, the application of China's main industrial production process. However, we see at the conference is not just a new work of industrial robots, is more similar to snakes, spiders, small robots, more dancing to be able to move the table, lifted the humanoid robot. This relates to the needs of the other two aspects of popular research direction is also the world within - Disaster relief and educational entertainment. On disaster prevention and rescue, snake-like robots, spiders, robots can be a disaster site to carry out rock climbing, fire, drill holes, humans can not or will rescue potential harm to the rescue; that can move the table, lift things robot, in a way that can help humans, especially the elderly, physically demanding life of necessary labor. "This is the social needs of our society is aging, nursing homes and hospital nurses may need to help them to help the action of the equipment for the elderly, the robot can complete certain actions; when natural disasters to befall the earthquake Let the fear of floods and other, can have robots that can penetrate into the dangerous center, we can reduce the crisis faced by the rescuers. "horse book root added. Temporarily can not be mass When asked about these robots ability to mass production, when they can enter the home, Shigeo Hirose explained, "a robot and can not be completed all human beings need it to do things, but made an application purpose of the robot does have have successfully entered people's lives, such as Japan's many families have to help the elderly and young children and after cleaning the functions of the function facilities, snake exploration robot has been applied in the counter-terrorism activities of relief. " The logic behind this is that the bionic robot according to the needs of users do not do it what the user what it is not possible to achieve mass production scale. Technical reserves, needed to do, successfully. Ma Shu-gen for example, said: "The fuel cell is a good example, before the development of fuel cell technology in China, many people do not understand, resource conditions at the time, the fuel cell simply send on purpose, but just a dozen years after the energy crisis, fuel cells are highly sought after. robot's cutting-edge research like this. " Therefore, robotics is bound to be a truly beyond human needs before exploring the frontiers of science. ¡½ The original news "Imitation of the body structure and function of organisms in biological characteristics of the bionic robot, is expected to replace the traditional industrial robots, the future development direction of the field of robotics." Being held here "2004IEEE robotics and bionics international academic conference, "the participating robotics experts said. In addition to meet the needs in education, entertainment and other services, biomimetic robots are still counter-terrorism anti-terrorism, disaster prevention and rescue and other special areas have a wide range of applications. ¡½ Links Machine scorpion: the machine is about 50 cm scorpion with other robots, it does not have the ability to solve complex problems. Machine scorpion rely almost entirely on the reflex action to solve the problem of walking. This makes it able to react quickly to anything that bothers it, its head with two ultrasonic sensors. If you hit it height above 50% percent of the obstacles, it will bypass the. Moreover, if the left sensor to detect obstacles, it will automatically turn to the right. Mechanical cockroach: not just a scorpion, and even cockroaches give scientists design inspiration, the scientists found that the cockroaches in the high-speed movement, each only three legs touch the ground, while two side of a repeated cycle, according to this principle bionics home to create a mechanical cockroach, it is not only second to three meters forward, and the balance is very good, able to adapt to a variety of harsh environments, the near future, space exploration or removal of mines, is it useless. Machine pike machine pike: Massachusetts Institute of Technology, is the world's first free-swimming robotic fish. It is mostly made from glass fiber, the overlying layer of steel mesh, the outermost layer of lycra. The tail is made of glass fiber coil spring-like cone so that this machine pike both sturdy and flexible. A servo motor to provide power for this robotic fish. Machine frog: Machine frog legs knee is spring loaded to the first bent leg as a Frog, and then jumped. The most remote machine frog jumped on Earth is 2.4 m; on Mars, Mars' gravity is about 1/3 of the Earth's long jump performance of the machine frog can be as far as 7.2 meters, close to the man's long jump world record. So it does not do anything like five years ago, Mars off-road vehicles as a small stone in front of. The machine Spider: This is the space engineers the inspiration to create a spider climbing wall stunt. It installed a set of antennas to mimic insect antennae, when the When Midon slender legs, antennae can detect terrain and obstacles. Machine spider prototype is small, the vertical height of only 18 centimeters, not much bigger than the palm of your hand. Many of the "Spider-Man" can not only climb sport utility vehicle in space can not reach the steep terrain of Mars, and the cost of economic, so that a large number of space "Spider-Man" will be all over in all corners of the earth of Mars.
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Post by beauty on Mar 4, 2012 4:56:18 GMT -5
The little machine can self-design, with some of the characteristics of life Draw on the theory of biological evolution to make the machine self-designed, with wisdom, this is a strange and difficult to predict. Paul Lai Zeer is the evolutionary hardware experts. As early as three years ago, he and University of Sussex, researcher Jon Bird one started to use the transistor through genetic algorithms to create an oscillator circuit, several new circuit can meet the requirements of the design features, they have a stable the output and a stable frequency. Which is a very strange, it relies on a line connected to the oscilloscope line computer connected. That is, it deceived its designers, it can self-design, with some of the characteristics of life. "My reaction is both amused by and be surprised." Lai Zeer said, "It's like you see a child with a creative way to solve a common problem, you will be issued a knowing smile." Machines can be self-evolution Using evolution to improve the machine performance is nothing new. Has been in force since the 1960s, artificial intelligence researchers have used the theory of evolution dynamics to solve the problem of investment and finance, manufacturing, and biochemistry-related software. However, the evolutionary process used in the field of hardware or a new thing. Thanks to the advancement of computer technology, designers can make the hardware products they design their own evolution while, in order to be able to see the results. Maybe someone will question the evolutionary direction of the circuit this hardware product. But for engineers, this test is sufficient to become the touchstone of science and technology in the 21st century. Some people think that evolution works just a small step forward in science and technology extension. But others believe that this will become an opportunity to break the bottleneck of software and hardware innovation. Bird borrowed the concept of artificial intelligence researcher at Brown University philosopher Daniel ¡E Dennett said "I will this evolution of radio as a vivid thought experiment, it can form similar to our problem-solving mode of thought." Useless circuits like the appendix Jim works a specially crafted antenna manufacturers, it has started to adopt evolutionary design for military units and the U.S. National Aeronautics and Space Administration antennas are. Derek ¡E Linden of the person in charge of the company's technology will be evolutionary hardware design suddenly set off a boom attributed to the related fields of scientific and technological progress, he said: "I just started to do this trip when I simulate only a Pentium ¢¹ on the machine. Now, you can simplify the problem more easily. " In the evolution of design, to simplify the problem means that the problem is decomposed into smaller, more single work. As the human genes can be broken down into 3 billion genome, silicon circuit and steering the antenna can be resolved to the digital structure of the pairs. These figures are structures were randomly divided into half, you can make them and the new design, or the combination and the design of the next generation. Although the results are not always satisfactory, but you can screen out those undesirable results. Lorne recalls on camera. He and his colleagues had accidentally removed a considerable circuit, a non-functioning parts. Lorne analogy degradation of the organ. It looks like the human appendix, and have played over a period of function, but later degenerated. Evolutionary engineering break through the traditional The next year, the U.S. National Aeronautics and Space Administration space technology program will be the first launch of an assembly of the antenna of the satellite evolutionary programming. This antenna is manufactured in the United States National Aeronautics and Space Administration Amos Research Center. The antenna looks like an ordinary paper clip. Its volume is less than one cubic inch. It has five sharp corners and the corner of an easing. The entire design took only 10 hours. It is completed by 35 Linux servers, ingredients minimal human intervention. Amos Research Center for Evolutionary Systems Group, person in charge of Jason ¡E Lorne said: "We are only as far as possible to the input of our software at least the antenna knowledge, so that it freely it considers most appropriate antenna design." these words speaks of the difference between traditional engineering and evolutionary engineering. Traditional engineers favor a strict and detailed drawings, they just use the computer to do annoying calculations and tests. But evolutionary designers to shift the entire design process entrusted to go out to the computers and those who design products itself. Principle is still unknown Even if these self-evolutionary design is generated under the specified rules, to analyze their principles is a difficult thing. Bird and Lai Zeer said: We do not know how these circuits work their oscillator pilot study. The secret lies in the transistor, if not the transistors, the circuit can not be self-connected to the new line. Lorne found that the electronic engineering community is now divided into two factions. Advocates of inquiry principle. As long as you are through the evolutionary process to achieve the expected results, do not have to figure out the ins and outs. Another school to the contrary. They want to know exactly what happened, but unfortunately, the researchers could not do anything. Lorne more willing to stand in the former camp into, because it makes him feel relaxed. He described his antenna design for the "secret art". Which made him pull away and followed the British founder of classical electrodynamics Maxwell in the 19th century, those who step followers, the latter is more precise, textbook-style explanation favored a new phenomenon. Of course, this does not mean that in this area will not be occasional hint of the theory found in the dawn, perhaps a newly discovered let the scientists explain the hardware self-evolution inspiration. One other interesting thing is that researchers have made a mistake in the experiment by chance. They used inferior metal wire connected to the circuit. In this case, repair metal wire means to destroy a large number of valuable circuit, the evidence shows the circuit has been gradually adapted to the harsh environment, the evolution of the circuit do not want see Flanagan metal lines to be repaired. The evolution is very cunning, it will make use of all things entrusted to it.
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Post by beauty on Mar 4, 2012 4:55:30 GMT -5
English professor to develop micro-machine the doctors to perform medical tasks Usually take the right amount of medication to the back of the eye is very difficult to achieve. However, this situation may soon change, because the British expert team developed a miniature machine physicians, clinicians are using it to slow down the speed of the patient's vision loss. Miniature "machine doctor" even smaller than grains of sand from within the patient's body for treatment. This machine doctor "that contains a microchip that is thinner than a human hair. It was originally used to treat patients with eye diseases, will be to save eyesight of thousands of people. According to the designers in Scotland, the machine will be implanted in the eye to detect changes in the inside of the eye and for lesions prescribe the right medicine. Doctors hope that the application of computer chips to the same applications as the treatment of eye diseases to other parts of the body including the brain to detect the disease and for lesions of the direct prescription. Machine doctor "is jointly developed by the Princess Alexandra Eye Hospital in Edinburgh, UK the ophthalmologist BaljeanDhillon Professor, University of Edinburgh microelectronics professor AnthonyWalton of. This microchip can be used in the senile plaque decay (AMD) treatment in Scotland, about 10 million people have been eye trouble, and it is the main reason leading to senile blindness. Machine doctor "can also be used 360 million due to poor body circulation lead to optic nerve damage caused by glaucoma patients, as well as thousands of patients caused due to insufficiency of blood loss affect the retina of diabetic retinal disease. Professor Dhillon is an Honorary Professor of Heriot-Watt University in Edinburgh, he said: oral drugs to go through the intestine, the body loop, similar to the part of the retina before being absorbed through blood vessels into the period will be similar to the diaphragm obstacles prevent drugs be absorbed. eye drops is very difficult to be absorbed, only the syrup contained pharmaceutical ingredients just to reach the back of the eye to be absorbed. "The technology will take a groundbreaking step: it is a new way to cure these diseases Once clinically proven safe and effective and will save the eyesight of thousands of people. " These chips made of silicon or plastic, of course, use of microscope visualization instrument to complete the manufacturing work, this instrument can circuitry is mounted to the invisible particles. The chip comes with a sensor used to detect lesions, vascular overgrowth as in senile plaques in bad ill will. Sensor for another part of the information notification chip to release the right amount of medicines for the treatment of the lesion. The current drugs used to treat eye disease, can prevent the growth of new blood vessels and the blood vessels of the optic nerve fiber tissue. Chip implanted under local anesthesia site eye tissues to be protected by only a few millimeters of the eye a small incision. A few months without replacing the chip. Dhillon and Walton said they want to see the machine the doctor to enter the market within six to seven years.
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