How Light Interacts with Gravity and Atoms — A Dual USP Field Perspective

This dual-document release presents two foundational insights into how light behaves in the universe through the lens of USP Field Theory. 1. "Why Gravity Bends Light – USP Field View" introduces the idea that light does not curve due to spacetime warping, but instead refracts through gradients in spin tension across the USP field near massive bodies. This tension-based explanation provides a novel, testable alternative to General Relativity's spacetime curvature model, supported by gravitational lensing observations. 2. "Light and Atom Interaction – USP Field Theory" explores how photons interact with atoms, explaining transparency, reflection, and color as resonance-based events within precise atomic boundaries. This document dismantles the notion of shared electron clouds and establishes formal rules (e.g., Field Resonance Limit and coupling conditions) governing how light traverses or interacts with matter at the atomic level. Together, these documents offer a unified view: photons follow the geometry of spin tension, whether refracted by cosmic-scale mass or passing through atomic gaps.