The Spacetime Metric
Lecture 545 min 11 sec

The Morris–Thorne wormhole

A traversable shortcut through spacetime—and the cost of holding it open.

Explore the wormhole throat, tidal constraints, and why exotic stress-energy remains the decisive barrier between geometry and construction.

Season 1 · remastered lesson

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45 min 11 sec · Captions: English · Español · Português · Français · Polski

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Visual explanation

Explore the central idea

Motion is optional · static explanation always available

A traversable wormhole throat joining distant regions of space.
A Morris–Thorne throat can join distant regions in a valid spacetime solution. Keeping that throat traversable is the hard physical requirement.

Read alongside

Wormholes, Energy Conditions, and the Negative-Energy Budget

The experiments, equations, and original papers behind the lesson.

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