Even after TikTok removed swastika jewelry from its online shop, I was algorithmically nudged toward a web of Nazi-related ...

Abstract: Light source and photodetector are necessary elements for liquid concentration sensing system. Normally, two different devices are needed to realize these functions. The coexistence of ...

Abstract: In order to solve the problems of unreliability and low power consumption of LED drive power supply, a new scheme is proposed by comparing with several existing typical modes. In this scheme ...