Optical rotatum” is the term researchers coined to describe a newly discovered structure of light. Beams of light that can be shaped into corkscrew-like forms, known as optical vortices, are used ...

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The nautilus, for instance ... D.C.-based photographer. Drawing on the calcium in seawater, marine creatures began to create shells more than 500 million years ago. They quickly developed a ...

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Beams of light that can be guided into corkscrew-like shapes called optical vortices are used today in a range of ...

Mirroring the Fibonacci number sequence (made famous in The Da Vinci Code), their optical rotatum propagates in a logarithmic spiral that is seen in the shell of a nautilus, the seeds of a ...