Part 4/10:
The next logical progression in our exploration focuses on how the vacuum operates as a medium. Traditional physics posits that a vacuum is devoid of energy. However, the concept of vacuum energy introduces the notion that the vacuum itself embodies a baseline energy state, facilitating fluctuation and interaction potential.
When we view the vacuum in terms of elasticity, we characterize it akin to a rubber band or elastic material. Elasticity here is crucial because it suggests that the vacuum can store energy without losing it, while non-linear behavior indicates that the reaction varies significantly under different stress levels.