For more than a century, fireflies have been treated as biology’s most dependable natural light source. Each species was thought to emit peak light of the same intensity, an optical fingerprint ...
India, Feb. 9 -- You can tell a lot about a material based on the type of light you shine at it: Optical light illuminates a material's surface, while X-rays reveal its internal structures and ...
Traditionally, dive watches have dominated this category. These are timepieces engineered to withstand the depths of the ...