Extremely active sunspot AR3664 blasted a major X8.7-class solar flare. The sunspot was behind the incredible geomagnetic storms that recently bathed Earth in auroras. Credit: Space.com | footage ...

Abstract: This paper proposes a novel small-signal modeling method for the Current-Fed Resonant Dual-Active-Bridge (CF-RDAB) converter, which enables to strongly simplify the design of the regulators ...

The RBSE Class 8 Examination 2026 took place between February 19 and March 4, 2026, across 10,056 state-designated centres. Of the 1,286,220 students who sat for the exams, 1,245,735 successfully ...

This article contains affiliate links. We may earn a small commission on items purchased through this article, but that does not affect our editorial judgement. Middle and long distance runners will ...

Abstract: This article proposes the design and verification of a novel barrier function (BF)-based adaptive composite sliding mode control method dedicated to the multiple-inputs–multiple-outputs ...

OpenAI said it will acquire Astral, a startup that builds tools for software developers. Astral's team will join OpenAI as part of the group running its AI coding assistant, Codex. OpenAI has been ...