Spacetime Vacuum Mechanics

The unified laws governing the interplay between large-scale spacetime geometry and the quantum vacuum energy that permeates it. This mechanics explains how curvature influences vacuum fluctuations (Unruh effect) and, crucially, how the vacuum energy itself acts as a source for curvature (the cosmological constant). It’s the rulebook for the feedback loop between nothingness (the vacuum) and the shape of somethingness (spacetime).

*Example: A “Dark Energy Sail” operates on Spacetime Vacuum Mechanics. In regions of high spacetime curvature (near a star), vacuum energy density is subtly different than in flat space. The sail is made of a material sensitive to this density gradient. By deploying it near a neutron star and angling it correctly, the ship can be pushed by the minute pressure difference, essentially sailing on the infinitesimal “wind” generated by spacetime’s shape altering the quantum foam’s activity.

Spacetime Vacuum Mechanics by Dumuabzu January 24, 2026

Spacetime Vacuum Mechanics

The unified laws governing the interplay between large-scale spacetime geometry and the quantum vacuum energy that permeates it. This is where General Relativity (which says geometry tells energy how to move) meets Quantum Field Theory (which says energy tells geometry how to curve) in a feedback loop. The mechanics describe how curvature influences vacuum fluctuations (e.g., creating Hawking radiation at event horizons) and, critically, how the vacuum energy itself acts as a source of curvature (the cosmological constant problem). It's the rulebook for the universe's most frustrating chicken-and-egg problem.

*Example: The accelerating expansion of the universe (dark energy) is often attributed to the spacetime vacuum. Spacetime Vacuum Mechanics tries to calculate how the inherent energy of the vacuum (quantum zero-point energy) generates a repulsive gravitational effect. The infamous "cosmological constant problem" is a crisis in this mechanics: quantum theory predicts a vacuum energy 10^120 times larger than what cosmology observes. Solving this requires new mechanics that somehow "cancel" or "screen" most of the vacuum's gravitating effect.*

Spacetime Vacuum Mechanics by Dumu The Void January 27, 2026

jerb 

well known from south park
rednecks get angrry that future folk took there jobs so they yell
They took ouare jerbs!

Them future folk took ouare jerbs!

jerb by Jimberley Kim April 7, 2005

Cheeks 

An Irish phrase meaning shit, derived from ass
(Not to be confused with the literal description of one's buttocks)

"Did you hear the song Aylek$ dropped?"
"Hardly. Her music is absolute cheeks."

"My boyfriend say LaFlame is cheeks."
"Tell your boyfriend I said it's his mixtape that's cheeks."

Cheeks by thecartisan April 26, 2020

sans sheriff 

Lawless use of fonts or typography, with no regard to aesthetics or legibility

I'm putting this CV straight in the bin. Written totally sans sheriff.

sans sheriff by Jamarley July 3, 2019

Breadhead 

Someone who is addicted to obtaining money and building wealth. A money addict and fanatic. Breadheads often work more than one full-time job, and some even participate in illicit activities to "obtain the bread".

A breadhead is like a crackhead, but for money instead of crack.

Breadhead by 🅱️ U S 3 4 8 March 30, 2022

Stink lines

As seen in illustrations or cartoons: Wavy, vertical lines rising above a person, place or thing. Denotes a foul odor.

"You didn't put enough stink lines on your picture of the teacher."

Stink lines by Athene Airheart March 14, 2004