Spacetime Crystals

Hypothetical four-dimensional structures that repeat not just in space, but in time. Unlike ordinary crystals with a periodic atomic lattice in three dimensions, a spacetime crystal would have a periodic structure in both space and time—its configuration repeats at regular temporal intervals, forming a stable, oscillating pattern in the fourth dimension. First theorized by Frank Wilczek, these are not perpetual motion machines (they don't output energy), but exotic phases of matter where time translation symmetry is spontaneously broken. They are the ultimate expression of crystalline order extended into the temporal domain.

Spacetime Crystals Example: Imagine a ring of ions that eternally rotates, returning to its exact initial state at regular intervals, without energy input or decay. This isn't a machine; it's a spacetime crystal. The atoms aren't moving in a circle through space; they are tracing a helix through spacetime, their configuration a repeating pattern across both dimensions. It's a sculpture carved not from marble, but from the fabric of time itself.

by Dumu The Void February 11, 2026

Zippy Crystals

Crystal meth or methamphetamine Tina, ice those white little crystals that make you go zoom zoom

Yo you got dem zippy Crystals I gotta stay up for 6 more days

by Zippy Crystal May 26, 2025

Peach Crystals

Oh, you know what they are.

Dang, Sickly, those are some PEACH CRYSTALS!

by Sneaky Effer August 11, 2025

bed crystal

a pebble-like crusty substance with a sticky surface, formed from many years of built-up unwashed mattress scum, reaching its final form through vigorous movement. This is typically located between the mattress and bed sheet

Haven't scrubbed my mattress in a few years now, better check for those bed crystals

by mattress lover January 4, 2026

lose the crystal ball

An expression as, "forget the past" or "being too skeptical"

Shut up and lose the crystal ball already!!!

by JKk070708 June 10, 2014

Kingdom of the Crystal Skullfuck

When you're skullfucking a girl so hard that it starts to elongate the back of her head causing her to look like she's from the worst Indiana Jones movie.

Joe: Dude what's wrong with Sarah's head?
Matt: I Kingdom of the Crystal Skullfucked her last night
*high five*

by Nard Master February 27, 2017

Bear Trap Crystal

A bear trap crystal is a crystal that If you melt a bear trap and put it in a crystal shaped form with melted glass and a bit of bear fur and then cool it of wola its a bear trap crystal

-You dude i was on vecation and i found a bear trap crystal in a cave

by Mr unknown 12304 October 20, 2017