With higher efficiency and lower costs, perovskite–silicon tandem cells mark a breakthrough in solar tech. Can they truly ...

Salem Police responded to a stabbing incident involving 12 people at Union Gospel Mission of Salem on the evening of June 1. A suspected was arrested.

We introduce a framework, the Pyramid Discrete Diffusion model (PDD), which employs scale-varied diffusion models to progressively generate high-quality outdoor scenes. Experimental results of PDD ...