This research paper presents the design,development and testing of a novel wearable hybrid energy harvester(WH-EH)aimed at powering sustainable gadgets.By harnessing energy using both electromagnetic and piezo-electri...This research paper presents the design,development and testing of a novel wearable hybrid energy harvester(WH-EH)aimed at powering sustainable gadgets.By harnessing energy using both electromagnetic and piezo-electric transduction mechanisms to capture ambient mechanical energy from human body motion,this device offers a versatile solution to the growing demand for portable and renewable energy.The paper details the integration of both mechanisms into a single device that fits in human shoes and the practical implications of deploying such technology in everyday gadgets.The WH-EH comprised of 3D printed frame,a cantilever beam made up of stainless steel,two permanent neodymium magnets residing at the tip of the cantilever beam,two printed circuit board-based micro planar coils that were fixed to the top and bottom of the 3D printed frame.Through rigorous testing,the WH-EH has demonstrated significant potential of producing maximum a power of 577μW which can help in reducing the reliance on traditional power sources and advancing the frontier of wearable technology.Energy harvesters like WH-EH are pivotal in advancing the sustainability of wearable gadgets,diminishing the dependence on traditional battery sources.These innovations not only strengthen the longevity and eco-friendliness of personal electronics but also align with global sustainable development goals,particularly in the energy and environmental sectors.The progression of such energy harvesters marks a crucial milestone in the ongoing integration of renewable energy practices into daily electrical applications.展开更多
The PLA modifies certain weapons to accommodate left-handed soldiers The life of a left-handed person,while not necessarily more difficult for others in China,is marked with daily incon-
Colorectal diseases are increasing due to altered lifestyle,genetic,and environmental factors.Colonoscopy plays an important role in diagnosis.Advances in colonoscope(ultrathin scope,magnetic scope,capsule)and technol...Colorectal diseases are increasing due to altered lifestyle,genetic,and environmental factors.Colonoscopy plays an important role in diagnosis.Advances in colonoscope(ultrathin scope,magnetic scope,capsule)and technological gadgets(Balloon assisted scope,third eye retroscope,NaviAid G-EYE,dye-based chromoendoscopy,virtual chromoendoscopy,narrow band imaging,i-SCAN,etc.)have made colonoscopy more comfortable and efficient.Now in-vivo microscopy can be performed using confocal laser endomicroscopy,optical coherence tomography,spectroscopy,etc.Besides developments in diagnostic colonoscopy,therapeutic colonoscopy has improved to manage lower gastrointestinal tract bleeding,obstruction,perforations,resection polyps,and early colorectal cancers.The introduction of combined endo-laparoscopic surgery and robotic endoscopic surgery has made these interventions feasible.The role of artificial intelligence in the diagnosis and management of colorectal diseases is also increasing day by day.Hence,this article is to review cutting-edge developments in endoscopic principles for the management of colorectal diseases.展开更多
文摘This research paper presents the design,development and testing of a novel wearable hybrid energy harvester(WH-EH)aimed at powering sustainable gadgets.By harnessing energy using both electromagnetic and piezo-electric transduction mechanisms to capture ambient mechanical energy from human body motion,this device offers a versatile solution to the growing demand for portable and renewable energy.The paper details the integration of both mechanisms into a single device that fits in human shoes and the practical implications of deploying such technology in everyday gadgets.The WH-EH comprised of 3D printed frame,a cantilever beam made up of stainless steel,two permanent neodymium magnets residing at the tip of the cantilever beam,two printed circuit board-based micro planar coils that were fixed to the top and bottom of the 3D printed frame.Through rigorous testing,the WH-EH has demonstrated significant potential of producing maximum a power of 577μW which can help in reducing the reliance on traditional power sources and advancing the frontier of wearable technology.Energy harvesters like WH-EH are pivotal in advancing the sustainability of wearable gadgets,diminishing the dependence on traditional battery sources.These innovations not only strengthen the longevity and eco-friendliness of personal electronics but also align with global sustainable development goals,particularly in the energy and environmental sectors.The progression of such energy harvesters marks a crucial milestone in the ongoing integration of renewable energy practices into daily electrical applications.
文摘The PLA modifies certain weapons to accommodate left-handed soldiers The life of a left-handed person,while not necessarily more difficult for others in China,is marked with daily incon-
文摘Colorectal diseases are increasing due to altered lifestyle,genetic,and environmental factors.Colonoscopy plays an important role in diagnosis.Advances in colonoscope(ultrathin scope,magnetic scope,capsule)and technological gadgets(Balloon assisted scope,third eye retroscope,NaviAid G-EYE,dye-based chromoendoscopy,virtual chromoendoscopy,narrow band imaging,i-SCAN,etc.)have made colonoscopy more comfortable and efficient.Now in-vivo microscopy can be performed using confocal laser endomicroscopy,optical coherence tomography,spectroscopy,etc.Besides developments in diagnostic colonoscopy,therapeutic colonoscopy has improved to manage lower gastrointestinal tract bleeding,obstruction,perforations,resection polyps,and early colorectal cancers.The introduction of combined endo-laparoscopic surgery and robotic endoscopic surgery has made these interventions feasible.The role of artificial intelligence in the diagnosis and management of colorectal diseases is also increasing day by day.Hence,this article is to review cutting-edge developments in endoscopic principles for the management of colorectal diseases.
