Abstract: In this paper, we present an analysis and optimization of stacked sntelligent setasurfaces (SIMs) under non-reciprocal conditions. A multi-port network model based on the Z-matrix ...
Minimal sun protection required for normal activity. Wear sunglasses on bright days. If outside for more than one hour, cover up and use sunscreen. Reflection off snow can nearly double UV strength, ...
The once-private network is now almost fully public. Eighteen non-Tesla brands can now charge at Superchargers, with more to follow. Here's how we got here. In a major win for EV drivers, Tesla is ...
Vivo Electronics Corp. is a phone brand based in Dongguan, Guangdong, China. It was founded in 2009. The company is another Chinese smartphone maker to enter India recently. It makes low-cost Android ...