Tessellations aren’t just eye-catching patterns—they can be used to crack complex mathematical problems. By repeatedly ...

Earthquakes happen daily, sometimes with devastating consequences, yet predicting them remains out of reach. What scientists ...

Abstract: The negative-sequence components in the unbalanced grid will lead to the dc bus voltage ripple, as well as the grid current harmonics. Existing methods rely on the grid voltage, inductance, ...

Report says Shell CEO, CFO opposed BP bid Gut confirms he left Shell in September Shell in June ruled out BP bid, said it was bound by UK rules Shell on Tuesday says it has 'nothing to add' on matter ...

Abstract: Location-based social networks (LBSN) is a new type of heterogeneous information network (HIN). The check-in data usually has the characteristics of a large amount of data and high sparsity.

Discover a fast and powerful calculus-based method for finding square roots with impressive accuracy. This explanation shows how derivatives and iterative approximation can be used to quickly zero in ...