4D Technologies

Devices and systems designed to operate across the four dimensions of spacetime, treating time as a manipulable dimension rather than a one-way flow. 4D technologies include temporal browsers (letting you view past and future versions of websites), 4D printers (that print objects which change shape over time—imagine a chair that becomes a table at noon), and the much-anticipated "time-back" button that lets you undo the last five minutes of your life (currently only works for video games, and only sometimes). The holy grail of 4D technology is the "worldline navigator," which would let you see your complete four-dimensional self from birth to death, assuming you want to know how it ends. Most people don't buy it.

4D Technologies Example: "He bought a 4D technology headset that let him see his own worldline—his entire life laid out in spacetime. He saw his future self, happy and fulfilled, and felt reassured. Then he realized that future self was 20 years older and bald. The technology had given him both comfort and anxiety, which is what 4D tech always does."

by AbzuInExile February 16, 2026

5D Technologies

Devices and systems designed to operate across five dimensions: spacetime plus probability. 5D technologies allow users to perceive, navigate, and potentially select among probability branches. The "probability branch viewer" shows you what your life would be like if you'd made different choices—if you'd taken that job, married that person, bought that stock. The "branch stabilizer" helps you stay in your desired probability branch (useful when you're having a good day and don't want to slip into a branch where everything goes wrong). And the "regret eraser" lets you visit branches where you made better choices, which either cures regret or makes it worse, depending on how well you handle seeing happier versions of yourself.

5D Technologies *Example: "She used a 5D technology device to view the branch where she'd said yes to that date. In that branch, she was married with kids and living in the suburbs—her nightmare. In another branch where she'd said no, she was traveling the world, single and free. Her actual branch was somewhere in between. 5D tech hadn't answered her question, but it had shown her that every branch had trade-offs."*

by AbzuInExile February 16, 2026

6D Technologies

Devices and systems designed to operate across six dimensions: spacetime, probability, and initial conditions. 6D technologies allow users to explore branches with different starting points—different genetics, different parents, different birthplaces. The "initial conditions simulator" lets you experience life as if you'd been born rich, or talented, or in a different country. The "re-roll button" lets you restart with new initial conditions (theoretical only—no one's actually made one work). And the "jealousy neutralizer" shows you that the person you envy just has different initial conditions, not better ones—they're running a different branch, not a better version of yours.

6D Technologies Example: "He used a 6D technology device to experience life as if he'd been born with his idol's talent. In that branch, he was famous and wealthy but also miserable—the talent came with pressure, expectations, and no privacy. His actual branch, with his actual modest talents, suddenly felt fine. 6D tech had cured his envy by showing him that every branch has its own problems."

by AbzuInExile February 16, 2026

7D Technologies

Devices and systems designed to operate across seven dimensions: spacetime, probability, initial conditions, and physical constants. 7D technologies allow users to experience universes with different physics—where gravity is weaker, light is slower, or time flows backward. The "constant twiddler" lets you adjust fundamental parameters to see what reality would be like. The "alternate physics simulator" lets you walk through a world where the laws are different (disorienting but educational). And the "fine-tuning detector" shows you just how precisely our universe's constants are set for life—which either inspires awe or makes you wonder why the universe cares so much about us.

7D Technologies *Example: "She used a 7D technology device to visit a universe where gravity was slightly weaker. She could jump higher, fall slower, and felt generally lighter. Then she tried to drink coffee and it floated away in giant blobs. Every universe, she learned, has trade-offs. She returned to normal gravity, grateful for coffee that stays in the cup."*

by AbzuInExile February 16, 2026

8D Technologies

Devices and systems designed to operate across eight dimensions: spacetime, probability, initial conditions, physical constants, and mathematical structures. 8D technologies allow users to experience universes where math itself is different—where 2+2=5, where circles are square, where pi is exactly 3. The "mathematics shifter" lets you toggle between mathematical systems (your brain will hurt). The "alternative calculator" gives you answers in different mathematical frameworks (useless for real-world problems but great for philosophical conversations). And the "truth relativizer" shows you that even mathematical truths are contingent on which mathematical structure you're in—which either liberates you from certainty or plunges you into existential confusion.

8D Technologies *Example: "He used an 8D technology device to visit a universe where 2+2=5. At first, everything was chaotic—his money didn't add up, his measurements were wrong, his recipes failed. Then he realized that in this universe, 2+2=5 was true, so everything actually worked consistently—just differently. He returned to normal math, slightly less certain about everything, which is what 8D tech does to you."*

by AbzuInExile February 16, 2026

9D Technologies

Devices and systems designed to operate across nine dimensions: spacetime, probability, initial conditions, physical constants, mathematical structures, and logical systems. 9D technologies allow users to experience universes with different rules of logic—where contradictions are permitted, where cause and effect can reverse, where A can be not-A. The "logic shifter" lets you toggle between logical systems (use with caution—your brain may freeze). The "paradox resolver" shows you how contradictions can be true in some logical frameworks (it doesn't resolve them, just explains why they're not a problem). And the "reason relativizer" demonstrates that your rationality is just one logical system among infinite possibilities—humbling for anyone who's ever been certain they were right.

9D Technologies *Example: "She used a 9D technology device to visit a universe where the law of non-contradiction didn't hold. In that universe, she could both love and hate her job simultaneously, and it wasn't a contradiction—it was just how things worked. She returned to normal logic, still ambivalent about her job, but now at peace with the ambivalence. 9D tech had taught her that some contradictions don't need resolution."*

by AbzuInExile February 16, 2026

10D Technologies

Devices and systems designed to operate across ten dimensions, as envisioned in string theory, where six spatial dimensions are compactified—curled up so small they're invisible. 10D technologies would allow users to perceive and potentially manipulate these hidden dimensions, accessing the fundamental geometry that determines all of reality. The "compactification viewer" lets you see the curled-up dimensions (they look like intricate knots, beautiful and incomprehensible). The "string tuner" lets you adjust the vibrations of fundamental strings, theoretically allowing you to change particle masses, force strengths, even the laws of physics. And the "brane navigator" lets you travel between different branes (membranes) in 10D space, visiting entirely different universes that share our higher-dimensional space.

10D Technologies *Example: "He used a 10D technology device to view the compactified dimensions that shape our reality. They were beautiful—intricate Calabi-Yau manifolds curled in on themselves, determining everything from the mass of an electron to the strength of gravity. He realized that his entire existence was just a side effect of geometry. It was either the most profound or most humbling moment of his life. Probably both."*

by AbzuInExile February 16, 2026