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Refraction — light slows and bends
optics
Light travels at c/n in a medium (2.0e8 m/s in glass, sealed); the slowing bends it at a boundary (Snell), splits a prism (n varies with colour), and traps light in a fibre at the critical angle. Rests on Maxwell.
source
Narrow Highway — optics
card id
card_opt_refraction
address
WIT.codex.FCT/refraction-light-slows-and-bends/REF.WITNESSED@narrow-highway
adjoining cards
- part of → Optics — how light bends, focuses, and slows — a pillar of optics (Refraction)
- connects at → Maxwell's equations — the first unification — refraction is a Maxwell wave slowing in matter - light is electromagnetism
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