Explore a thought-provoking video that challenges the fundamental law of energy conservation in the context of our universe. Delve into the complexities of open, closed, and isolated systems, and examine how general relativity impacts our understanding of energy conservation. Investigate evidence suggesting potential violations of this principle, including the expansion of the universe and redshift observations. Consider the implications of an infinite universe on energy conservation and analyze opposing viewpoints. Gain insights into the relationship between energy loss, dark energy, and the observable universe, while critically examining the concept of energy conservation at both quantum and cosmic scales.