the.com/speckle
proof that nature hates a flat surface and loves a confetti gun
means A speckle is a small, distinct spot or dot of color marking an otherwise plain surface.
from Speckle is the diminutive of the older word 'speck,' a tiny spot or mark, which traces back to Old English 'specca' meaning a small spot or stain. The '-le' ending shrinks it further, so a speckle is essentially 'a little speck' — and it has a likely cousin in Dutch 'spikkel,' another small fleck.
- egg defense
- speckles camouflage eggs from sharp-eyed nest raiders
- freckle cousin
- both are melanin pooling in tiny defiant dots
- laser ghost
- speckle patterns appear when coherent light scatters off rough surfaces
- galaxy trick
- astronomers exploit speckle to sharpen blurry telescope images
- bird code
- some chicks recognize their own eggs by speckle
for instance
speckle interferometry — astronomical technique using ground-based telescopes to achieve resolution rivaling space telescopes, developed in the 1970s
speckle contrast imaging — optical method measuring blood flow in tissue, used clinically in ophthalmology and dermatology since 2000s