Chasing Light: The Unsolved Mystery of Its True Speed

What this episode covers

What if we’ve never actually measured the one-way speed of light? In this episode, we explore the deep-rooted assumptions behind Einstein’s synchronization method and the experimental challenges of determining whether light truly moves at a constant speed in all directions. From GPS-based measurements to ring laser experiments, we unravel the complexities of how light behaves—and whether our understanding of it is shaped more by convention than by fundamental physics. Join us as we shine a light on one of the greatest unresolved questions in science!

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How long is this episode of Science Unveiled?

This episode is 12 minutes long.

When was this Science Unveiled episode published?

This episode was published on February 20, 2025.

What is this episode about?

What if we’ve never actually measured the one-way speed of light? In this episode, we explore the deep-rooted assumptions behind Einstein’s synchronization method and the experimental challenges of determining whether light truly moves at a constant...

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