Science news articles about 'purple light'

... holes that are filled with liquid crystals and a dye. When purple light illuminates the surface of the membrane, the dye ... and repeated heating and cooling can damage the membrane. Also, light does not have the potential to ignite a gas, which could be a crucial ...

... , the resolution of the microscope must be smaller than the wavelength of light. The common thread in such metamaterials is negative refraction ... , with wavelengths ranging from 400 nanometers (violet and purple light), to 700 nanometers (deep red ...