Vision – How the Eye Builds a Picture

Podcast: Talking Science · Stavros kinnas

Opublikowano: 2026-08-25

The sharp, seamless, full-colour picture you seem to be looking at right now isn't a direct recording of the world — it's a construction, built by your brain from a stream of messy and genuinely incomplete signals. This episode follows light on its journey from the cornea to the visual cortex, covering rods and cones, the blind spot, three-channel colour vision, and why optical illusions count as scientific evidence rather than mere party tricks. You'll come away understanding how the eye focuses light onto the retina, why rods and cones divide labour between night vision and colour vision, wh...