Abstract: We address the lens optimization and signal processing for array-based multiple-input multiple-output (MIMO) visible light communication, especially under link misalignment. We employ one ...

Dermatologists explain the science behind wildly popular treatments like red light therapy, which is now available at home—for a steep price. Full-face LED masks like this one can cost up to several ...

Abstract: Channel capacity bounds are derived for a point-to-point indoor visible light communications (VLC) system with signal-dependent Gaussian noise. Considering both illumination and ...

The Netherlands takes a radically different approach to traffic light design—one that prioritizes people over cars. This video showcases how Dutch intersections minimize wait times and conflicts ...

Astronomers have detected a mysterious gamma-ray glow from the Milky Way’s halo, potentially marking the first direct observation of dark matter. In a study published November 25, 2025, in the Journal ...

The Notre-Dame Cathedral of Saigon is glowing brighter than ever this holiday season, draped in more than 1,000 kilometers of LED lights that illuminate its façade and twin bell towers each night from ...