It is a modified version of the beautiful lecture notes of my late friend, Gilles Castel. Different features and macros are taken from several sources according to my preference and necessity. For ...

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Olympiad mathematics is not a collection of techniques of solving mathematical problems but a system for advancing mathematical education. This book is based on the lecture notes of the mathematical ...

Amazon risks being left in the dust if it doesn't step up its game.

Abstract: This article provides a simple and intuitive derivation of the Kalman filter, with the aim of teaching this useful tool to students from disciplines that do not require a strong mathematical ...

UMEVO, a technology company specializing in artificial intelligence and audio processing, today announced the global ...

In the wake of two fatal shootings of U.S. citizens by federal agents, we invited students to share what they are feeling about America. By The Learning Network Hear from journalists who are covering ...

An illustration of a magnifying glass. An illustration of a magnifying glass.

Starting the year with new organization tools is important for a lot of people—and if you’re one of them, I know what can help (and no, it’s not a new planner… but those work, too). I’m talking about ...

Digi Communications N.V. announces the publication of the 2024 Annual Financial Report and convocation of the Company’s general shareholders meeting for June 18, 2025, for the approval of, among ...

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Feb. 6, 2026 Inspired by the shape-shifting skin of octopuses, Penn State researchers developed a smart hydrogel that can change appearance, texture, and shape on command. The material is programmed ...