When mechanochromic photonic crystals are stretched or compressed, their nanoscale structure deforms, changing the spacing between layers and shifting the reflected light wavelength. This causes a visible color change, which is useful for visual strain se
When mechanochromic photonic crystals are stretched or compressed, their nanoscale structure deforms, changing the spacing between layers and shifting the reflected light wavelength. This causes a visible color change, which is useful for visual strain se
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