One of these is vein pattern recognition, and biometric company Snowflake Technologies has just released a prototype identity verification system based on this technology. The system uses vein ...

Real-world networks are rarely an exact grid, so the snowflake pattern is an idealised version of one that could exist in practice and be fairly easy to repair, perhaps with just two levels of ...

In the skies high above, a solitary snowflake is forming ... there is one underlying pattern that is seldom broken: snowflakes’ intricate patterns (almost) always have six sides.