"Yet reaching absolute zero has been called impossible: as you continue to remove heat from a gas to cool it, the work needed to remove the heat increases."
futurism.com
This is no different than searching for a fundamental unit of spacetime, which is no different than searching for a beginning of the Universe.
www.livescience.com
As you continue to search for smaller and smaller units of spacetime, the magnification and precision needed increase. There is no limit to how much closer you can get to absolute zero. There is no limit to how much smaller a unit of spacetime you can measure.
Such is the nature of an Infinite Universe.
Every object that exists is a singularity with dimensional boundaries that exist only as a relative inhibition on our capacity for observation. Within every single object is an infinite universe beyond our capacity to describe. You could zoom in on a single skin cell, finding new ways to describe it and new properties and physics within you never dreamed of, and keep doing so to infinity.
You can zoom in on a quarter, increasing the magnification and precision of your observations to infinity, unlocking new secrets and mysteries all along the way.
No matter what you do, you will always fall infinitely short of Eternal knowledge and Eternal observation.
"There are more things in Heaven and Earth, Horatio, then are dreampt of in your philosophy."
There is only one truth: The Universe is Infinite

New device lets scientists explore physics near absolute zero
The researchers think they could eventually go as low as 1 millikelvin.


Meet the zeptosecond, the shortest unit of time ever measured
Scientists have measured the shortest unit of time ever, the time it takes for a particle of light to cross a hydrogen molecule.

Such is the nature of an Infinite Universe.
Every object that exists is a singularity with dimensional boundaries that exist only as a relative inhibition on our capacity for observation. Within every single object is an infinite universe beyond our capacity to describe. You could zoom in on a single skin cell, finding new ways to describe it and new properties and physics within you never dreamed of, and keep doing so to infinity.
You can zoom in on a quarter, increasing the magnification and precision of your observations to infinity, unlocking new secrets and mysteries all along the way.
No matter what you do, you will always fall infinitely short of Eternal knowledge and Eternal observation.
"There are more things in Heaven and Earth, Horatio, then are dreampt of in your philosophy."
There is only one truth: The Universe is Infinite