The discussion centers on understanding how the speed of light (c) is derived from Maxwell's equations without delving into complex mathematics. Participants explain that the speed of electromagnetic waves is determined by the relationship between electric and magnetic fields, leading to a wave equation similar to those found in other physical contexts. It is clarified that c was measured before Maxwell's equations were formulated, and that Maxwell's equations incorporate the constants for permeability (μ) and permittivity (ε) to predict wave speed. The conversation emphasizes that Maxwell's discovery was a significant unification of light and electromagnetism, revealing that light behaves as an electromagnetic wave. Overall, the insights shared help clarify the logical connections between these fundamental concepts in physics.