The Terrifying Secrets of the 4th Dimension

What if reality has a dimension you can’t see?

Up, down, left, right. These directions define how you experience the world. But what if there’s more to reality than the three dimensions you know? From the mind-bending geometry of a four-dimensional universe to Einstein’s spacetime and the role of the fourth dimension in gravity and GPS, explore the mysteries that challenge everything you think you know about reality.

How would you perceive a world beyond three dimensions? And what if the fourth dimension is already shaping your everyday life?

These are the secrets of the 4th Dimension.

CHAPTERS

00:00 The Terrifying Secrets of the 4th Dimension
00:41 Unraveling What You Think You Know
05:58 What Even Is a Dimension?
08:52 Flatland
15:50 Geometric 4th Dimension
20:53 What Would It Mean to See in 4D?
22:39 Einstein’s 4th Dimension
26:59 The Train and Lightning Experiment
29:28 Gravity and Spacetime
33:28 GPS in 4D
34:51 What Is 4D?