Science Daily20 天
How chemistry and force etch mysterious spiral patterns on solid surfaces
Beautiful spiral patterns had been etched into the ... generated different patterns, including Archimedean spirals, logarithmic spirals, lotus flower shapes, radially symmetric patterns and ...
Phys.org25 天
Serendipitous discovery reveals how stress and chemistry etch mysterious spiral patterns
Beautiful spiral patterns had been etched into the ... generated different patterns, including Archimedean spirals, logarithmic spirals, lotus flower shapes, radially symmetric patterns and ...