Blue light has acquired a dubious reputation in recent years, frequently blamed for everything from disrupted sleep patterns to digital eye strain. This high-energy light, emitted abundantly by our ...

Gold nanorods are promising photocatalysts that can use light energy to drive chemical reactions—such as converting CO₂ into ...

A theoretical study describes how diffuse light produced by anything from sunlight to computer screens could be converted into useful energy. Physicists from Trinity College Dublin believe their ...