Experimental Verification of the Energetic Autonomy of Matter and Gravitational Interaction

A laboratory experiment is proposed to test whether the fundamental physical properties of matter—mass, gravitational response, and mechanical strength—are energetically autonomous or are maintained through continuous interaction with the surrounding environment. The experiment is based on creating conditions of partial energetic isolation by placing a solid test body at the center of a thick-walled spherical chamber cooled to temperatures approaching absolute zero. If the physical properties of matter depend on external energy exchange, a gradual change in the effective weight and mechanical strength of the sample is expected over time as residual internal energy is depleted. If matter is energetically autonomous, no systematic changes should be observed. The proposed setup is simple, reproducible, and falsifiable, requiring only standard cryogenic equipment and laboratory instrumentation. The experiment can be implemented in research laboratories as well as in educational settings, offering a direct and accessible test of fundamental assumptions about the nature of matter and gravitation.