Abstract: Millimeter-wave wireless communications concepts have been considered as a key technology for future 5G communication systems. Analog or digital hybrid precoders and combiners architectures ...

"Dark photon" theory says light's interference patterns may emerge from quantum particles, not waves, upending centuries of ...

Lusitania’s four propellers created rhythmic pressure shocks that could line up with the hull’s natural resonant frequency, turning the bow and stern into uninhabitable vibration zones at speed. We ...

Ask the publishers to restore access to 500,000+ books. An icon used to represent a menu that can be toggled by interacting with this icon. A line drawing of the Internet Archive headquarters building ...

Perhaps one of the most famous experiments in physics has been giving us the wrong message all these years. For nearly two ...

Download CBSE Class Physics 12 Pre-Board Sample Papers 2025–26 with solutions for all subjects in free PDF format. These papers are curated by experts as per the latest CBSE syllabus and exam pattern.

"Dark photon" theory says light's interference patterns may emerge from quantum particles, not waves, upending centuries of ...

A new theory of "dark photons" attempted to explain a centuries-old experiment in a new way this year, in an effort to change ...

The National Medical Commission (NMC) has released the official NEET UG 2026 syllabus, outlining the topics to be covered in ...

Abstract: The advances of deep learning (DL) techniques bring new opportunities to numerous intractable tasks in power systems (PSs). Nevertheless, the extension of the application of DL in the domain ...