Abstract: To improve the performance of multiple-input–multiple-output (MIMO) radar, various sparse arrays have been used. However, the angular resolution of existing nonuniform arrays optimized by ...

This is by far the fastest way I've ever made a presentation - and it might even help me win Christmas this year.

In geometry, there are surfaces that do without an inside or outside—and some need at least four dimensions to exist ...

Unsurprisingly, the best games of 2025 came from the fringes of the industry. Here's what The A.V. Club's games critics loved ...

Can you chip in? As an independent nonprofit, the Internet Archive is fighting for universal access to quality information. We build and maintain all our own systems, but we don’t charge for access, ...