Photonic crystals are periodic optical structures that can control the flow of light. Multiple reflections from surfaces separated by a distance similar to the wavelength prevent an optical beam from ...

Grow Crystals is perfect for Roblox players who love the concept of growing their garden but are looking for more unorthodox options. In this game, instead of growing vegetables or mythical fruits and ...

In the early 1900s, Wilson A. Bentley sent 500 prints of his snowflakes to the Smithsonian to ensure their safety for the future. The images are now part of the Smithsonian Libraries and Archives.