Trash Relativity

This term is used to describe the common mentality, usually held by mildly trashy people, that everyone trashier than them is indeed trashy but they fail to recognize their own trashiness.

I'm going to burn this plastic in a barrel behind my house.

That's trashy.

I know I'm not trashy. People in the ghetto are trashy

You have a case of trash relativity my friend.

You really shouldn't walk over furniture like that.

Why?

It ruins the furniture over time and it's trashy

Omg It's not trashy

by Bigbilldoyle July 22, 2019

Spacetime Relativity

Einstein's revolutionary theory that space and time are not absolute but relative to the observer's motion and gravitational field. In spacetime relativity, there is no universal "now"; simultaneity is relative, time dilates with speed, and space contracts with motion. The theory reveals that we don't live in a fixed background of space with time flowing uniformly; we live in a four-dimensional fabric where space and time are woven together, and different observers can legitimately disagree about whether events happen at the same time or how long things take. Spacetime relativity explains why GPS satellites must adjust for relativistic effects or you'd end up in the next county, why astronauts age slightly slower than earthbound twins, and why the universe is stranger than common sense imagines. It's the physics of "it depends on how fast you're moving."

Example: "He tried to explain spacetime relativity to his boss after being late: 'Time is relative. For you, waiting in the office, time moved slowly. For me, running here, time moved fast. We experienced different durations.' His boss said the clock on the wall disagreed. He said the clock was stationary; he'd been moving. His boss said to move faster next time."

by Dumu The Void February 17, 2026

Multiverse Relativity

The extension of relativity to the multiverse, where not just space, time, probability, and initial conditions are relative to the observer, but the entire universe—or multiverse—is relative to the observer's position in the cosmic landscape. In multiverse relativity, different observers in different universes experience different physical laws, different constants, different realities entirely, and all are equally valid from their frames. This theory explains why our universe seems fine-tuned for life: we're in a universe where life is possible because we couldn't exist in the others. It's not that the universe was designed for us; it's that we're in the universe that fits us. Multiverse relativity is the physics of cosmic perspective: our universe is one among infinite, special only to us.

Example: "She contemplated multiverse relativity while stargazing: somewhere, in another universe, the stars were different colors, physics was different, life was different. Her universe, with its particular laws and constants, was just one slice of an infinite multiversal cake. She felt simultaneously insignificant (one universe among infinite) and precious (the only one she'd ever inhabit). The feeling was familiar: it was called being alive."

by Dumu The Void February 17, 2026

Extended Relativity Theory

A generalization of Einstein's relativity proposing that relativity extends beyond motion and gravity to include other frames—reference frames based on scale, complexity, or consciousness. Extended Relativity suggests that just as motion is relative, so might be size (scale relativity), information (informational relativity), or even perspective (perspectival relativity). The theory unifies different kinds of relativity under a single framework: everything is relative to something. Einstein started it; Extended Relativity finishes it—relativity all the way down.

Extended Relativity Theory "Einstein said motion is relative. Extended Relativity says scale is relative too—physics looks different at quantum and cosmic scales, but neither is more fundamental. Relativity isn't just about velocity; it's about everything. The universe is a web of relations; Extended Relativity maps them all."

by Dumu The Void March 5, 2026

Outer Relativity Theory

A synthesis of Outer Spacetime and Extended Relativity, proposing that relativity itself extends beyond our spacetime—that there may be frames of reference outside our observable universe, and that physical laws are relative to the spacetime manifold one inhabits. Outer Relativity suggests that what we call "universal" laws might be local to our cosmic neighborhood. Beyond our spacetime, different relativities apply. It's relativity applied to the multiverse: every universe has its own relativity.

"Our laws of physics might be local bylaws, not universal absolutes. Outer Relativity Theory says: different spacetimes, different relativities. What's constant here might vary there. Relativity doesn't stop at the cosmic horizon; it extends beyond—to outer relativity."

by Dumu The Void March 5, 2026

Theory of relativity

Einstein's theory of relativity shows the laws of physics. ideas about light speed, speed of light, time, and energy.

the theory of relativity has two ideas; special relativity and general relativity.

The theory of relativity has never been disproven, yet.

by 555mary June 19, 2024

Hard Problem of Relativity

The ontological status of spacetime. Relativity brilliantly describes gravity as the curvature of a 4D spacetime continuum. The hard problem: Is this mathematical model—a static, geometric "block universe" where past, present, and future equally exist—a true picture of reality? If so, it obliterates free will and the passage of time as illusions. Or is it just a fantastically useful computational tool for predicting how things move and age relative to each other? We're forced to choose: either accept a frozen, deterministic cosmos that feels nothing like our lived experience, or admit our best theory of gravity describes relationships, not fundamental reality.

Example: According to relativity, from a god's-eye view, your birth, you reading this, and your death are all just fixed points in the spacetime block, like cities on a map. The hard problem: Your undeniable, visceral experience is of a flowing "now." Is that feeling a complete fiction generated by your brain? If spacetime is real, then the future is already "out there," waiting. This makes physics philosophically intolerable for most people, suggesting the theory may be a powerful instrumental description, not a literal metaphysical truth. But what, then, is gravity actually doing? Hard Problem of Relativity.

by Enkigal January 24, 2026