
Rainbows and the paths of sunlight
CampiAperti - Saturday, November 7, 2026Rainbows are optical patterns produced when sunlight interacts with water droplets in the air. Their familiar bands of colour appear when light enters a droplet, changes direction, reflects inside, and emerges again. Different colours follow slightly different paths. The result is not an object hanging at one fixed place, but a pattern seen from a […]
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