As shown in the figure:
- Two identical small buckets are arranged symmetrically, with openings facing each other. The radiation rate at the bottom of the bucket is ε=1, and the rest is ε=0.
- The two bottoms radiate energy and absorb radiation:q=εσT^4*S.
- The force acting on the small bucket is: F=2εσT^4*S/C.
- The speed of the small bucket increases, the kinetic energy increases, and the temperature decreases.
- There is no limitation of the second law of thermodynamics for thermal conversion, and the second law of thermodynamics is invalid.
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