How can we measure visible light? The electromagnetic spectrum includes all forms of light energy, known as electromagnetic radiation. (1) Different types of electromagnetic radiation such as radio ...

Photonics. It’s a word to know. This technology uses light instead of electricity. It’s fast; it’s versatile; and it’s poised to be the next major advancement in human technology. So far, photonics ...

A new type of versatile economical photocatalyst that harnesses the visible portion of the sunlight spectrum has been developed by researchers from the University of Johannesburg. It is simple to ...

Researchers have created a dye-sensitized photocatalyst that captures long-wavelength visible light to double solar hydrogen production efficiency.