Abstract: In this paper, re-configurable intelligent reflecting surfaces (IRS) based on cell-free communications to serve multi-user (MU) are considered. This is to enhance the transmission for the ...

The Nature Index 2025 Research Leaders — previously known as Annual Tables — reveal the leading institutions and countries/territories in the natural and health sciences, according to their output in ...

If you’re searching for an educational activity that combines fun, creativity, and scientific learning, look no further: kite building with the Composing Polyhedron’s kite expansion kit is exactly ...

The past decades have witnessed the proliferation of porous materials offering high surface areas and the revolution in gas storage and separation, where metal–organic frameworks (MOFs) stand out as ...

Thurston gave a concrete procedure to construct triangulations of the 2-sphere where 5 or 6 triangles meet at each vertex. How can you get the icosahedron using this procedure? Gerard Westendorp has a ...

Debate has continued for five centuries as to the artist’s true intention with the work, including with the title itself, since the significance of melancholy was up for debate in the Renaissance. The ...

I'm trying to figure out a way to create a vector of 3D poly-lines for each defining feature of a polyhedron. I'm creating an application that will serve as a 3D conversational tubing notch generator ...