On: Physicists Propose a Doppler Telegraph Wave-Based Theory of Heat Transport

[westurner]

"The generalized telegraph equation with moving harmonic source: Solvability using the integral decomposition technique and wave aspects" (2024) https://www.sciencedirect.com/science/article/pii/S001793102... :

> Highlights: [...] It is shown that the Cattaneo-Vernotte equation may be used to describe the wave properties of the heat transport.

[westurner → westurner]

Does this describe how solar thermal infrared heat works between the sun and the earth, or only after unitarily transforming optics like mirrors and concentrators?