Samsung's impressively thin book-style foldable phone is just 4.2mm thick when open and weighs 215 grams. But is that enough ...

Disregard the fact that there’s a whole world of Chinese-made book-style foldables as thin and light as the Galaxy Z Fold 7 ...

We've found one piece that's a slam dunk when it comes to form and function — and it's 50% off during Walmart Deals Week.

Large scale renewable energy, represented by wind power and photovoltaic power, has brought many problems for the safe and stable operation of power system. Firstly, this paper analyzes the main ...