Invisible light beyond the range of human vision plays a vital role in communication technologies, medical diagnostics, and optical sensing. Ultraviolet and near-infrared wavelengths are routinely ...

The universe has many faces. With a naked eye, we can spot the gold, white, and brassy hues of stars and other objects from our vantage point on Earth. But visible light illuminates just a fraction of ...

Researchers have solved a major problem for optical wireless communications - the process by which light carries information between cell phones and other devices. Light-emitting diodes (LEDs) pulse ...

Researchers from Japan showed that a single organic crystal converts invisible light into visible colors, emitting red light under ultraviolet irradiation and green light under near-infrared ...

Sensor manufacturer Ams launched this week a new in-display ambient light and proximity sensor solution for smartphones equipped with OLED displays which essentially makes those modules invisible.

The invisible light can kill viruses and pathogens like the one that causes COVID-19, but experts are raising alarms about the potential safety risks. Originally hailing from Troy, Ohio, Ry Crist is a ...