Perplexity has launched Comet, its take at what browsing looks like in the age of AI. Here's what it looks like.

We report that a newly developed type of triaryltriazine rotor, which bears bulky silyl moieties on the para position of its peripheral phenylene groups, forms a columnar stacked clutch structure in ...

In this paper, a method of estimating the parameters of the model of the clutch driven disc detection system is proposed. After analyzing the parts of the clutch driven disc detection system, the ...