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close encounter of the twenty-second kind 

When an alien spaceship disappears up your behind
Person 1: My friend Matt has recently had a close encounter of the twenty-second kind.
Person 2: That's rough, is it still in there?
Related Words

Close Encounter of The 22nd Kind 

When an alien spaceship disappears up your behind
“He had a close encounter of the 22nd kind”

“Sounds like a pain in the ass!”

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Long-Duration Motion Machines of the Third Kind (LDMM3)

Devices focused on eliminating friction to the maximum possible extent—the purest expression of the "long-duration" philosophy. LDMM3 aren't concerned with energy sources or thermodynamic cycles; they're obsessed with removing every last bit of resistance. Magnetic levitation in vacuum, superconducting bearings, quantum levitation—these are LDMM3 technologies. They don't create energy; they just refuse to waste it. Friction is the enemy, and LDMM3 are the ultimate war machines against it. With friction reduced to near-zero, motion continues for timescales limited only by cosmic background radiation or quantum effects. LDMM3 is what happens when tribologists (friction scientists) achieve nirvana.
Long-Duration Motion Machines of the Third Kind (LDMM3) "That magnetically levitated flywheel in a vacuum chamber will spin for decades on a single push. That's LDMM3—friction eliminated to the point where 'stopping' is just a theoretical possibility. It's not perpetual; it's just pathologically opposed to slowing down. Friction is the enemy, and LDMM3 won."

Long-Duration Motion Machines of the Second Kind (LDMM2)

Devices designed for extreme-duration motion by optimizing against the Second Law of Thermodynamics—not violating it, but approaching its limits asymptotically. The Second Law says entropy increases; LDMM2 fight entropy by creating near-perfect isolation from dissipative processes. They don't reverse entropy; they just slow its increase to a crawl. A supercooled ring levitating in vacuum, spinning for thousands of years—that's LDMM2. The energy gradually dissipates, but so slowly that human civilization could rise and fall while it's still spinning. LDMM2 are the thermodynamic equivalent of putting your leftovers in a freezer that lasts millennia: entropy still wins, but it takes its time.
Long-Duration Motion Machines of the Second Kind (LDMM2) "They've got gyroscopes in space that will spin for thousands of years before slowing down. That's LDMM2—not defying the Second Law, just making it work overtime. The universe still wins, but it has to wait. LDMM2 is what happens when engineers decide to play the long game against entropy itself."

Long-Duration Motion Machines of the First Kind (LDMM1)

A class of devices designed to maintain motion for extremely long periods—thousands of years or more—by optimizing energy storage and minimizing losses, while respecting the First Law of Thermodynamics (energy conservation). Unlike perpetual motion machines (which claim to violate physical laws), LDMM1 acknowledge that energy must come from somewhere; they just store it so efficiently that motion continues far beyond human timescales. Think of a flywheel in a perfect vacuum, on frictionless bearings, spinning for millennia on the energy you gave it once. LDMM1 don't create energy—they hoard it, releasing it so slowly that "long-duration" means geological time. They're possible because the First Law isn't violated; energy is conserved, just doled out over eons.
Long-Duration Motion Machines of the First Kind (LDMM1) "That clock they built in 1986 is still running on its original battery? It's not perpetual motion—it's just really, really efficient. That's LDMM1: store energy once, release it over centuries. Not magic, just engineering so good it looks like magic to anyone who's ever changed a smoke detector battery."