We all know what a spiral looks like. Or do we? Ask your friends to describe one and they will probably trace out the form of a spiral staircase. But that is actually a helix; a curve in ...
A logarithmic spiral with a diameter of 500 μm, approximately half the diameter of a sewing needle. Curiosity about a mistake that left tiny dots on a germanium wafer with evaporated metal films led ...
The optical rotatum's logarithmic spiral follows a pattern found often in nature, including nautilus shells. Credit: Capasso Lab / Harvard SEAS The optical rotatum's logarithmic spiral follows a ...
Gael Mariani and Martin Scott perpetuate a series of myths in their letter about Fibonacci numbers in nature (3 September, p 19). It is true that the Fibonacci numbers are associated with a particular ...
IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. This is Norman Albree's pilot model ...
Consider the wheel. Round. Dependable. Boring. Hasn’t been redesigned in centuries. Positively Neolithic. Now consider the spiral. Eccentric. Open-ended. Captivating. Native Americans carved spirals ...
Discoveries of new overarching rules or “laws” in nature are very rare. Surprisingly, my colleagues and I have found a new rule of biological growth that explains unexpected similarities in sharp ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results