The fascinating story of the ultimate cosmic law

Leah Crane's article in New Scientist offers an insightful exploration into the history and significance of the speed of light, a fundamental constant in the universe. The piece traces how scientists came to understand this ultimate cosmic law, highlighting the journey toward recognizing the speed of light as a universal speed limit. This constant plays a crucial role in our comprehension of the universe's structure and behavior. By examining the reasons behind the speed limit, the article sheds light on one of the most essential numbers governing cosmic phenomena. The discussion situates the speed of light within the broader context of physical laws that define the universe. Crane's narrative provides readers with a captivating overview of how this constant shapes our understanding of space and time. Overall, the article underscores the speed of light's pivotal place in both scientific history and contemporary physics.