Physicists have developed a lens with 'magic' properties. Ultra-thin, it can transform infrared light into visible light by halving the wavelength of incident light. Lenses are the most widely used ...

Please provide your email address to receive an email when new articles are posted on . Iron oxide, found in tinted sunscreens, can protect against the visible light spectrum. Bemotrizinol, a highly ...

Human bodies are not quite as dark as they look. A growing body of research suggests that living tissue constantly releases an ultraweak glow, a stream of photons that appears to switch off when life ...