These days, cell phones are more popular and powerful than ever before. According to Pew Research, 97% of Americans own a smartphone, and the days of clunky flip phones are long gone. However, while ...

Abstract: The prolonged radiation exposure from mobile phone antennas may cause several health problems. In this article, an innovative method derived from a metasurface-based phone case is introduced ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." As temperatures drop, many smartphone users will notice their batteries drain more quickly when using ...

Abstract: This paper explores the design of a state of charge (SOC) observer for Li-ion batteries (LIBs) using dissipativity theory for the first time, employing the construction of the Lyapunov- ...