Some people say that technology violates the rule of survival of the fittest, and it saves too many people who deserve to be "eliminated." And without technology, all human beings may be the weak who should be "eliminated." Recently, the researcher of the Dean of the School of Information, Tsinghua University and Professor Ren Tianling of the Yangtze River Scholars published a research paper entitled "Intelligent Graphene Artificial Throat with Sound Sensing Ability" in Nature Communication, which once again sighs the incredible charm of technology. .
Hawking once said: "The medicine does not cure my disease, so I rely more on technology." Because of Hawking, who has amyotrophic lateral sclerosis (ALS), the muscles have gradually shrunk for decades, especially when they become vague. If you are unclear, if you can hear the news of the “artificial throat†of graphene, it will make the big scientist so happy, and may add more words to his “on-demand†world.
"Transceiver and integrated" flexible acoustic device
Graphene has attracted worldwide attention because of the 2010 Nobel Prize. For more than a decade, many researchers around the world have been scrambling to explore more possibilities in research and development.
“In the research, what we want is how to bring out its potential. Just like the starting point of the research teams of Tsinghua University, we will combine the research and practical application to give priority to solving the urgent needs of the society. My team pays attention to it. Health level to improve people's quality of life." Ren Tianling told reporters.
He said, for example, a microphone can only perceive the sound of a person's voice; a speaker can make a sound, but it is one-way. That is, the human throat can only make a sound and cannot sense the sound. It is difficult to have an acoustic information system that can sense sound or some information while still making a sound. A typical acoustic device or information system has a single function and a limited function. A conventional sounding and sounding device that normally operates in an audible domain (20 Hz to 20 kHz) is a discrete device, and a single device cannot simultaneously achieve sounding and sounding. In addition, conventional acoustic devices are based on hard materials and are not flexible and are not suitable for use as wearable devices.
That is to say, if there is a material that can balance three functions: sound perception, sound generation, and flexibility, then an ideal "transceiver-integrated" integrated acoustic device can be formed to realize a flexible electronic information system. In the laboratory, the researchers were surprised to find that graphene is a material that meets demand.
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