This paper describes two important improvements to a 3-D shooting-and-bouncing-polygon (SBP) ray tracer for radio propagation modeling. It introduces a way to trace diffracted-reflected (D-R) rays in ...

GitHub is where people build software. More than 150 million people use GitHub to discover, fork, and contribute to over 420 million projects.

Wallpaper* picks the very best of Paris Fashion Week Men’s S/S 2026, from Véronique Nichanian’s portrait of summer in the city for Hermès to Craig Green’s return to the Paris runway ...

The I-V curve tracer is an instrument that captures the current-voltage characteristics of photovoltaic (PV) generators under real operating conditions. Such device can be used to evaluate their ...

What happens on Prime Day? Lightning deals and mega savings. Is everything discounted on Prime Day? Almost but today Amazon Prime Day Fire TV Stick deal is hot.

Apple is working on a new Apple TV 4K set-top box, and now after almost three years since the last update, here’s when to expect its release.