Endowing flexible and adaptable fiber devices with light-emitting capabilities has the potential to revolutionize the current design philosophy of intelligent,wearable interactive devices.However,significant challenge...Endowing flexible and adaptable fiber devices with light-emitting capabilities has the potential to revolutionize the current design philosophy of intelligent,wearable interactive devices.However,significant challenges remain in developing fiber devices when it comes to achieving uniform and customizable light effects while utilizing lightweight hardware.Here,we introduce a mass-produced,wearable,and interactive photochromic fiber that provides uniform multicolored light control.We designed independent waveguides inside the fiber to maintain total internal reflection of light as it traverses the fiber.The impact of excessive light leakage on the overall illuminance can be reduced by utilizing the saturable absorption effect of fluorescent materials to ensure light emission uniformity along the transmission direction.In addition,we coupled various fluorescent composite materials inside the fiber to achieve artificially controllable spectral radiation of multiple color systems in a single fiber.We prepared fibers on mass-produced kilometer-long using the thermal drawing method.The fibers can be directly integrated into daily wearable devices or clothing in various patterns and combined with other signal input components to control and display patterns as needed.This work provides a new perspective and inspiration to the existing field of fiber display interaction,paving the way for future human–machine integration.展开更多
Performance analysis is an important tool for gymnasts and coaches to assess the techniques,strengths,and weaknesses of rhythmic gymnasts during training.To have an accurate insight about the motion and postures can h...Performance analysis is an important tool for gymnasts and coaches to assess the techniques,strengths,and weaknesses of rhythmic gymnasts during training.To have an accurate insight about the motion and postures can help the optimization of their performance and offer personalized suggestions.However,there are three primary limitations of traditional perfor-mance analysis systems applied in rhythmic gymnastics:(1)Inability to quantify anthropometric data in an imperceptible way,(2)labor-intensive nature of data labeling and analysis,and(3)lack of monitoring of all-round and multi-dimensional perspectives of the target.Thus,an advanced performance analysis system for rhythmic gymnastics is proposed in this paper,powered by intelligent fabric.The system uses intelligent fabric to detect the physiological and anthropometric data of the gymnasts.After a variety of data are collected,the analysis component is implemented by artificial intelligence techniques resulting in behavior recognition,decision-making,and other functions assisting performance improvement.A feasible solution to implementing the analysis component is the use of the hyperdimensional computing technique.In addition,four typical applications are presented to improve training performance.Powered by intelligent fabric,the proposed advanced performance analysis system exhibits the potential to promote innovative technologies for improving training and competi-tive performance,prolonging athletic careers,as well as reducing sports injuries.展开更多
In this Letter,we presented a flexible omnidirectional reflective film made of polymer substrates and multiple alternating layers of two chalcogenide glasses for full-angle CO_(2) laser protection.The structure parame...In this Letter,we presented a flexible omnidirectional reflective film made of polymer substrates and multiple alternating layers of two chalcogenide glasses for full-angle CO_(2) laser protection.The structure parameters of the device were simulated for theoretical prediction of best device structure.The reflector was fabricated by alternate thermal evaporation of two chalcogenide glasses with large refractive index contrast.The reflectivity was greater than 78%at 10.6μm.The flexible reflective film can provide an effective solution for full-angle CO_(2) laser protection of the moving targets,such as laser operators and mobile optical components,with potential applications for wearable laser protective clothing.展开更多
Outdoor passive heating to maintain a constant human body temperature is critical for human activities.However,most traditional energy-exhausted heating systems and inefficient passive heating technologies are incapab...Outdoor passive heating to maintain a constant human body temperature is critical for human activities.However,most traditional energy-exhausted heating systems and inefficient passive heating technologies are incapable of dealing with the cold outdoor environment.Developing fabrics with low thermal radiation and conduction to passively heat the human body is a viable way to overcome the constraints of existing passive heating strategies.Herein,a multimaterial aerogel fabric was developed to realize passive personal heating without any energy input.The multimaterial aerogel fabric was fabricated by coating an Ag layer on an aerogel composite fabric.The lightweight aerogel composite fabric,woven from aerogel composite fibers with multi-scale porous structure,exhibits excellent thermal insulation,self-cleaning,mechanical and thermal stability.Furthermore,by coating with an Ag layer,the multimaterial aerogel fabric exhibits both low thermal conductivity and low infrared emissivity at 7–14μm,demonstrating superior thermal insulating performance.As a result,the proposed multimaterial aerogel fabric with a thickness of only 1.29 mm is capable of improving the human body temperarure of 5.7℃ in a cold environment without energy input.This strategy offers a potential energy-saving alternative for future outdoor passive heating.展开更多
With the advent of the Internet of Everything,people can easily interact with their environments immersively.The idea of pervasive computing is becoming a reality,but due to the inconvenience of carrying silicon-based...With the advent of the Internet of Everything,people can easily interact with their environments immersively.The idea of pervasive computing is becoming a reality,but due to the inconvenience of carrying silicon-based entities and a lack of fine-grained sensing capabilities for human-computer interaction,it is difficult to ensure comfort,esthetics,and privacy in smart spaces.Motivated by the rapid developments in intelligent fabric technology in the post-Moore era,we propose a novel computing approach that creates a paradigm shift driven by fabric computing and advocate a new concept of non-chip sensing in living spaces.We discuss the core notion and benefits of fabric computing,including its implementation,challenges,and future research opportunities.展开更多
Color-changeable fbers can provide diverse functions for intelligent wearable devices such as novel information displays and human-machine interfaces when woven into fabric.This work develops a low-cost,efective,and s...Color-changeable fbers can provide diverse functions for intelligent wearable devices such as novel information displays and human-machine interfaces when woven into fabric.This work develops a low-cost,efective,and scalable strategy to produce thermochromic fbers by wet spinning.Through a combination of diferent thermochromic microcapsules,fexible fbers with abundant and reversible color changes are obtained.These color changes can be clearly observed by the naked eye.It is also found that the fbers exhibit excellent color-changing stability even after 8000 thermal cycles.Moreover,the thermochromic fbers can be fabricated on a large scale and easily woven or implanted into various fabrics with good mechanical performance.Driven by their good mechanical and physical characteristics,applications of thermochromic fbers in dynamic colored display are demonstrated.Dynamic quick response(QR)code display and recognition are successfully realized with thermochromic fabrics.This work well confrms the potential applications of thermochromic fbers in smart textiles,wearable devices,fexible displays,and human-machine interfaces.展开更多
Medical education plays an important role in promoting the development of global medical science.Nevertheless,the intrinsic gap existing between institutional medical teaching and practical clinical tasks causes low e...Medical education plays an important role in promoting the development of global medical science.Nevertheless,the intrinsic gap existing between institutional medical teaching and practical clinical tasks causes low education efficiency and students’weak initiative.Recent developments of sensing fabric and embedded computing,along with the advances in artificial intelligence(AI)and digital twin technology are paving the way for the transformation of medical research towards digitization.In this work,we present an intelligent fabric space based on novel functional fabric materials and digital twin networking enabled by 5G and internet of things(IoT)technologies.In this space,medical students can learn knowledge with collaborative mapping of the digital and real world,cyber-physical interaction and real-time tactile feedback.And the proposed service system will evaluate and feedback students’operational behaviors to improve their experimental skills.We provide four typical applications of intelligent fabric space for medical education,including medical education training,health and behavior tracking,operation playback and reproduction,as well as medical knowledge popularization.The proposed intelligent fabric space has the potential to promote innovative technologies for training cutting-edge medical students by effective and efficient ways.展开更多
Nanofbers have a wide range of applications in many felds such as energy generation and storage,environmental sensing and treatment,biomedical and health,thanks to their large specifc surface area,excellent fexibility...Nanofbers have a wide range of applications in many felds such as energy generation and storage,environmental sensing and treatment,biomedical and health,thanks to their large specifc surface area,excellent fexibility,and superior mechanical properties.With the expansion of application felds and the upgrade of application requirements,there is an inevitable trend of improving the performance and functions of nanofbers.Over the past few decades,numerous studies have demonstrated how nanofbers can be adapted to more complex needs through modifcations of their structures,materials,and assembly.Thus,it is necessary to systematically review the feld of nanofbers in which new ideas and technologies are emerging.Here we summarize the recent advanced strategies to improve the performances and expand the functions of nanofbers.We frst introduce the common methods of preparing nanofbers,then summarize the advances in the feld of nanofbers,especially up-to-date strategies for further enhancing their functionalities.We classify these strategies into three categories:design of nanofber structures,tuning of nanofber materials,and improvement of nanofbers assemblies.Finally,the optimization methods,materials,application areas,and fabrication methods are summarized,and existing challenges and future research directions are discussed.We hope this review can provide useful guidance for subsequent related work.展开更多
Fiber is one of the most fundamental material forms seen in human life.Beftting from their long and bendable shape,fbers with diferent specialties and diferent dimensions are used in a multitude of applications,rangin...Fiber is one of the most fundamental material forms seen in human life.Beftting from their long and bendable shape,fbers with diferent specialties and diferent dimensions are used in a multitude of applications,ranging from fabrics[1]to telecommunications[2],from generating laser[3]to sensing and actuating,etc.[4-6].In recent years,major breakthroughs were made,demonstrating that fbers have novel optical[7-9],electronic[10],acoustic[11,12]and cell interfacing[13,14]properties that enable new functionalities.Functional fbers and related application research are at the crossroads of many disciplines,including optics,materials science,device physics,nanotechnology,and fuid dynamics.展开更多
基金supported by the National Natural Science Foundation of China(Grant No.62175082)the National Key Research and Development Program of China(Grant No.2022YFB3805800)the Multidisciplinary Research Support Program of Huazhong University of Science and Technology(Grant No.2023JCYJ039).
文摘Endowing flexible and adaptable fiber devices with light-emitting capabilities has the potential to revolutionize the current design philosophy of intelligent,wearable interactive devices.However,significant challenges remain in developing fiber devices when it comes to achieving uniform and customizable light effects while utilizing lightweight hardware.Here,we introduce a mass-produced,wearable,and interactive photochromic fiber that provides uniform multicolored light control.We designed independent waveguides inside the fiber to maintain total internal reflection of light as it traverses the fiber.The impact of excessive light leakage on the overall illuminance can be reduced by utilizing the saturable absorption effect of fluorescent materials to ensure light emission uniformity along the transmission direction.In addition,we coupled various fluorescent composite materials inside the fiber to achieve artificially controllable spectral radiation of multiple color systems in a single fiber.We prepared fibers on mass-produced kilometer-long using the thermal drawing method.The fibers can be directly integrated into daily wearable devices or clothing in various patterns and combined with other signal input components to control and display patterns as needed.This work provides a new perspective and inspiration to the existing field of fiber display interaction,paving the way for future human–machine integration.
文摘Performance analysis is an important tool for gymnasts and coaches to assess the techniques,strengths,and weaknesses of rhythmic gymnasts during training.To have an accurate insight about the motion and postures can help the optimization of their performance and offer personalized suggestions.However,there are three primary limitations of traditional perfor-mance analysis systems applied in rhythmic gymnastics:(1)Inability to quantify anthropometric data in an imperceptible way,(2)labor-intensive nature of data labeling and analysis,and(3)lack of monitoring of all-round and multi-dimensional perspectives of the target.Thus,an advanced performance analysis system for rhythmic gymnastics is proposed in this paper,powered by intelligent fabric.The system uses intelligent fabric to detect the physiological and anthropometric data of the gymnasts.After a variety of data are collected,the analysis component is implemented by artificial intelligence techniques resulting in behavior recognition,decision-making,and other functions assisting performance improvement.A feasible solution to implementing the analysis component is the use of the hyperdimensional computing technique.In addition,four typical applications are presented to improve training performance.Powered by intelligent fabric,the proposed advanced performance analysis system exhibits the potential to promote innovative technologies for improving training and competi-tive performance,prolonging athletic careers,as well as reducing sports injuries.
基金supported by the National Natural Science Foundation of China(No.61875064)。
文摘In this Letter,we presented a flexible omnidirectional reflective film made of polymer substrates and multiple alternating layers of two chalcogenide glasses for full-angle CO_(2) laser protection.The structure parameters of the device were simulated for theoretical prediction of best device structure.The reflector was fabricated by alternate thermal evaporation of two chalcogenide glasses with large refractive index contrast.The reflectivity was greater than 78%at 10.6μm.The flexible reflective film can provide an effective solution for full-angle CO_(2) laser protection of the moving targets,such as laser operators and mobile optical components,with potential applications for wearable laser protective clothing.
基金This work was supported by the National Natural Science Foundation of China(62175082)。
文摘Outdoor passive heating to maintain a constant human body temperature is critical for human activities.However,most traditional energy-exhausted heating systems and inefficient passive heating technologies are incapable of dealing with the cold outdoor environment.Developing fabrics with low thermal radiation and conduction to passively heat the human body is a viable way to overcome the constraints of existing passive heating strategies.Herein,a multimaterial aerogel fabric was developed to realize passive personal heating without any energy input.The multimaterial aerogel fabric was fabricated by coating an Ag layer on an aerogel composite fabric.The lightweight aerogel composite fabric,woven from aerogel composite fibers with multi-scale porous structure,exhibits excellent thermal insulation,self-cleaning,mechanical and thermal stability.Furthermore,by coating with an Ag layer,the multimaterial aerogel fabric exhibits both low thermal conductivity and low infrared emissivity at 7–14μm,demonstrating superior thermal insulating performance.As a result,the proposed multimaterial aerogel fabric with a thickness of only 1.29 mm is capable of improving the human body temperarure of 5.7℃ in a cold environment without energy input.This strategy offers a potential energy-saving alternative for future outdoor passive heating.
基金support fromtheNational Natural Science Foundation of China(grant no.62276109).I.H.acknowledges the financial support from the Slovenian Research Agency(research core funding no.P2-0246).
文摘With the advent of the Internet of Everything,people can easily interact with their environments immersively.The idea of pervasive computing is becoming a reality,but due to the inconvenience of carrying silicon-based entities and a lack of fine-grained sensing capabilities for human-computer interaction,it is difficult to ensure comfort,esthetics,and privacy in smart spaces.Motivated by the rapid developments in intelligent fabric technology in the post-Moore era,we propose a novel computing approach that creates a paradigm shift driven by fabric computing and advocate a new concept of non-chip sensing in living spaces.We discuss the core notion and benefits of fabric computing,including its implementation,challenges,and future research opportunities.
基金supported by the National Natural Science Foundation of China(Grant Nos.62175082 and 61875064).
文摘Color-changeable fbers can provide diverse functions for intelligent wearable devices such as novel information displays and human-machine interfaces when woven into fabric.This work develops a low-cost,efective,and scalable strategy to produce thermochromic fbers by wet spinning.Through a combination of diferent thermochromic microcapsules,fexible fbers with abundant and reversible color changes are obtained.These color changes can be clearly observed by the naked eye.It is also found that the fbers exhibit excellent color-changing stability even after 8000 thermal cycles.Moreover,the thermochromic fbers can be fabricated on a large scale and easily woven or implanted into various fabrics with good mechanical performance.Driven by their good mechanical and physical characteristics,applications of thermochromic fbers in dynamic colored display are demonstrated.Dynamic quick response(QR)code display and recognition are successfully realized with thermochromic fabrics.This work well confrms the potential applications of thermochromic fbers in smart textiles,wearable devices,fexible displays,and human-machine interfaces.
基金supported by the National Natural Science Foundation of China(62175082 and 61875064).
文摘Medical education plays an important role in promoting the development of global medical science.Nevertheless,the intrinsic gap existing between institutional medical teaching and practical clinical tasks causes low education efficiency and students’weak initiative.Recent developments of sensing fabric and embedded computing,along with the advances in artificial intelligence(AI)and digital twin technology are paving the way for the transformation of medical research towards digitization.In this work,we present an intelligent fabric space based on novel functional fabric materials and digital twin networking enabled by 5G and internet of things(IoT)technologies.In this space,medical students can learn knowledge with collaborative mapping of the digital and real world,cyber-physical interaction and real-time tactile feedback.And the proposed service system will evaluate and feedback students’operational behaviors to improve their experimental skills.We provide four typical applications of intelligent fabric space for medical education,including medical education training,health and behavior tracking,operation playback and reproduction,as well as medical knowledge popularization.The proposed intelligent fabric space has the potential to promote innovative technologies for training cutting-edge medical students by effective and efficient ways.
基金supported by Huazhong University of Science and Technology startup funding(No.5003182125)Fund from Science,Technology and Innovation Commission of Shenzhen Municipality(No.JCYJ20190809105615053).
文摘Nanofbers have a wide range of applications in many felds such as energy generation and storage,environmental sensing and treatment,biomedical and health,thanks to their large specifc surface area,excellent fexibility,and superior mechanical properties.With the expansion of application felds and the upgrade of application requirements,there is an inevitable trend of improving the performance and functions of nanofbers.Over the past few decades,numerous studies have demonstrated how nanofbers can be adapted to more complex needs through modifcations of their structures,materials,and assembly.Thus,it is necessary to systematically review the feld of nanofbers in which new ideas and technologies are emerging.Here we summarize the recent advanced strategies to improve the performances and expand the functions of nanofbers.We frst introduce the common methods of preparing nanofbers,then summarize the advances in the feld of nanofbers,especially up-to-date strategies for further enhancing their functionalities.We classify these strategies into three categories:design of nanofber structures,tuning of nanofber materials,and improvement of nanofbers assemblies.Finally,the optimization methods,materials,application areas,and fabrication methods are summarized,and existing challenges and future research directions are discussed.We hope this review can provide useful guidance for subsequent related work.
文摘Fiber is one of the most fundamental material forms seen in human life.Beftting from their long and bendable shape,fbers with diferent specialties and diferent dimensions are used in a multitude of applications,ranging from fabrics[1]to telecommunications[2],from generating laser[3]to sensing and actuating,etc.[4-6].In recent years,major breakthroughs were made,demonstrating that fbers have novel optical[7-9],electronic[10],acoustic[11,12]and cell interfacing[13,14]properties that enable new functionalities.Functional fbers and related application research are at the crossroads of many disciplines,including optics,materials science,device physics,nanotechnology,and fuid dynamics.
