opal - The cause of the brilliant play of colors in opal was an enigma until relatively recently. Scanning electron microscope studies show that opals consist of transparent spheres of silica that are tightly packed. The voids or spaces between the spheres contain air or water. The regular arrangement of spheres acts as a diffraction grating, breaking visible white light into separate colors.

opal - The cause of the brilliant play of colors in opal was an enigma until relatively recently. Scanning electron microscope studies show that opals consist of transparent spheres of silica that are tightly packed. The voids or spaces between the spheres contain air or water. The regular arrangement of spheres acts as a diffraction grating, breaking visible white light into separate colors.

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Diffraction grating -

Diffraction grating -

Diffraction grating - Wikipedia, the free encyclopedia

Diffraction grating - Wikipedia, the free encyclopedia

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Though both financial audit and cost audit primarily aim at independent scrutiny of the accounts of an organisation yet they differ from each other in certain vital respects At http://www.theglobaltutors.com/Accounting-Homework-Help/Cost-Accounting/Financial-Audit-Cost-Audit

Though both financial audit and cost audit primarily aim at independent scrutiny of the accounts of an organisation yet they differ from each other in certain vital respects At http://www.theglobaltutors.com/Accounting-Homework-Help/Cost-Accounting/Financial-Audit-Cost-Audit

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Diffraction grating - Wikipedia, the free encyclopedia

Diffraction grating - Wikipedia, the free encyclopedia

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A biofilm on the surface of a fishtank produces diffraction grating effects when the bacteria are all evenly sized and spaced.  Diffraction grating - Wikipedia, the free encyclopedia

A biofilm on the surface of a fishtank produces diffraction grating effects when the bacteria are all evenly sized and spaced. Diffraction grating - Wikipedia, the free encyclopedia

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