But why would light "slow down"? | Visualizing Feynman's lecture on the refractive index

Name: But why would light "slow down"? | Visualizing Feynman's lecture on the refractive index
Uploaded: 2024-08-30 00:00:00.000Z
Duration: 28 min 34 s
Channel: 3Blue1Brown
Description: But why would light "slow down"? | Visualizing Feynman's lecture on the refractive index