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How does light 'know' the shortest path?

Name: How does light 'know' the shortest path?
Uploaded: 2026-07-09T13:00:07Z
Duration: 1 min 16 s
Description: Watch How does light 'know' the shortest path? using the internal video player on yTube.SITE. From Veritasium. Duration 1:16 minutes. Light is the fastest thing in the universe...

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How does light 'know' the shortest path?
Channel: Veritasium
Duration: 1:16 min / Views: 4,209,583
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