Learn how to create a simple DIY LED notification light for your smartphone by repurposing an old earphone jack and an LED ...

Abstract: The modeling of spectral characteristics of light-emitting diodes (LED) has been addressed in various studies. We extend the current state of knowledge by modeling the spectral ...

Red light is a popular treatment for skin concerns, especially signs of aging like wrinkles, age spots, and sagging skin. People are also using it to treat hair loss. Whether you want to treat your ...

Trash was being pulled from the water when the situation changed unexpectedly. A confrontation involving the mayor altered the tone of the day. Police were contacted as the dispute continued. The ...

Kristina Byas is contributor at Investopedia. As a personal finance expert, she has lent her insights and knowledge to numerous financial publications. Her articles have helped readers navigate the ...

Abstract: Traditional physical layer security (PLS) schemes for multi-user visible light communication (MuVLC) are designed with multiple light sources, rendering them inapplicable to MuVLC with ...