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Devices designed to access, traverse, or manipulate the spaces between dimensions, ranging from theoretical "gap drives" that would let you slip between realities to more practical tools like the "interdimensional key finder" (which doesn't work, but sounds impressive). These technologies promise to solve the problem of lost items (retrieve them from the dimensional gaps where they fall), explain mysterious noises (sounds leaking through from adjacent dimensions), and potentially allow communication with beings that exist in the spaces between. The main challenge is that interdimensional technologies have to function in spaces where normal physics doesn't apply, which makes quality control a nightmare and warranties essentially meaningless.
Interdimensional Technologies Example: "He bought an interdimensional technology device online—a small box that claimed to retrieve items from the space between dimensions. When he lost his wallet, he activated the device, which made a humming noise and then did nothing. He later found the wallet in his other pocket, which either meant the device had worked (by retrieving it from the interdimensional gap and placing it in his pocket without his knowledge) or that he was an idiot. He chose to believe in the device."
by Abzugal Nammugal Enkigal February 15, 2026
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Interdimensional Engineering

The practice of designing and constructing systems, structures, or portals that function in the spaces between dimensions, requiring materials that exist in no dimension and construction techniques that violate every known law of physics. Interdimensional engineers must work with "gap materials" that have properties only in the undefined spaces between realities, assemble them using "non-local tools" that exist everywhere and nowhere simultaneously, and test their creations using "void protocols" that assume failure is the default state. The field attracts people who found regular engineering too limiting and decided that building things in nonexistent spaces was the logical next step.
Interdimensional Engineering Example: "She was an interdimensional engineer who designed a bridge across the gap between the 3rd and 4th dimensions. The bridge existed only in the space between, visible from neither side, usable by no one. She considered it a triumph of pure engineering—a structure that served no purpose, occupied no space, and required no maintenance. It was, in every way, perfect."
by Abzugal Nammugal Enkigal February 15, 2026
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interdimensional stargazers

Someone who wears super thick glasses. They can see the moon on a different plane than the rest of all humanity. Microscope eyes.
I bet he can see the aliens coming with those interdimensional stargazers.
by shaftslap December 15, 2024
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