Mirroring the Fibonacci number sequence (made famous in The Da Vinci Code), their optical rotatum propagates in a logarithmic spiral that is ... along its propagation path, converting any input ...

Moreover, small changes in experiment parameters, such as the thickness of the metal film, generated different patterns, including Archimedean spirals, logarithmic spirals, lotus flower shapes ...

For the first time in the history of architecture a true logarithmic spiral has been worked out as a complete plastic building: a building in which there is but one continuous floor surface ...