Pushing the limits of structured light, applied physicists report a new type of optical vortex beam that not only twists as it travels but also changes in different parts at different rates to create ...

The optical rotatum's logarithmic spiral follows a pattern often found in nature, including nautilus shells. (Image Credit ... rotatum — occurs in a way that is very similar to the Fibonacci sequence, ...

All mollusks build their own shells, whether they live in water or on land. Creatures like snails, clams ... and this makes their shells spiral clockwise. (Very rare mutations can produce ...