For more than two centuries, astronomers have treated the Sun’s spectrum as a solved problem, a textbook example of how light reveals the chemistry of the cosmos. Now a fresh look at that familiar ...

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 developed a solar collector with a dielectric Bragg mirror, optimizing energy conversion by separating sunlight ...