We introduce a design principle of metasurfaces that can form any desired distribution of magnetic field for high-efficiency wireless power transfer centered at 200 kHz, which can be used to efficiently charge implanted medical devices.This metasurface can improve the power transfer efficiency for both single-user and multi-user cases by over tenfo
Fake news that manipulates political elections, strikes financial systems, and even incites riots is more viral than real news online, resulting in unstable societies and buffeted democracy.While factor that drives the viral spread of fake news is rarely explored.In this study, it is unexpectedly found that the easier contagion of fake news online
"Translation" is a life narrative about the ways in which cultural histories shape personal stories, and the capacity of the imagination to develop alternative narratives about oneself and the world.It can also be read a way of Speakers addressing the effects of what Ato Quayson calls the global process of postcolonializing.Quaysons critical perspe
Interactive medical devices such as infusion pumps, monitors and diagnostic devices help save lives.However, they are also safety critical in that they may fail in use and patient harm or death ensue.It is not just that the software and hardware should Glass Tumblers meet their specification.The design should help ensure users do not make mistakes.