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Quanta Magazine·

🌌Gravity Can Collapse Dimensions, Redefining Space

Gravity's role in space and dimensions revealed

TL;DR

Physicists discover gravity can collapse dimensions, challenging our understanding of space. The holographic principle suggests space might be an illusion, with gravity and quantum mechanics intertwined.

Physicists have discovered that gravity can collapse dimensions, fundamentally changing our understanding of space. The holographic principle, a broader idea, suggests that space might be an illusion, with gravity and quantum mechanics being one and the same. This breakthrough impacts how we view black holes and the nature of space itself. The principle was first proposed by Leonard Susskind and involves the concept that the amount of information in a space is equivalent to its surface area, not volume. This has profound implications for our understanding of the universe, including the nature of black holes and the fundamental forces.

Gravity Can Collapse Dimensions, Redefining Space — Quanta Magazine

Key Points

1

Gravity can collapse dimensions, a finding that challenges our understanding of space and time.

2

The holographic principle suggests space might be an illusion, with information tied to surface area, not volume.

3

Leonard Susskind proposed the idea that black holes are holograms, with everything inside observable from the outside.

4

The entropy of black holes grows with surface area, not volume, a key insight into the holographic principle.

5

Particles inside a region share quantum connections with those outside, creating a second type of entropy.

Why It Matters

The holographic principle challenges our understanding of space and time, impacting theories of black holes and the fundamental forces. This is crucial for physicists studying the nature of the universe, particularly those focusing on quantum mechanics and gravity.

gravitydimensionsholographic-principlequantum-mechanicsblack-holes

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