For the first time, physicists in China have virtually eliminated the friction felt between two surfaces at scales visible to the naked eye. In demonstrating "structural superlubricity," the team, led ...

Revise the most important concepts, formulas, and numericals from the Electricity chapter with topic-wise notes and expert exam tips before the board exams.

When starting this ice challenge, most people just step on the side of the bowl and slide down to the bottom. Then you’re ...

Abstract: In this paper, we propose a novel recommendation system approach by using the advantage of item representations with topic modeling. Our proposed model exploits topics as the sub-categories ...