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 ...

Researchers at Leipzig University and TU Dresden have succeeded in developing biological switches that can selectively turn ion channels on and off using light pulses. Initial applications show that ...

Because red light therapy promotes cellular turnover and collagen production, it’s able to “minimize the appearance of fine ...

Scientists developed a two-photon-enhanced metasurface that cuts photon requirements for nanoscale displacement measurement ...

Light can do more than illuminate a material. In some cases, it can temporarily change how electrons move through it.