Can a Circle Be a Straight Line?

The video explores the concept of spacetime curvature, challenging the traditional view of gravity as a force. It introduces Einstein's perspective, explaining that objects follow straight paths in a curved spacetime. The series aims to clarify these ideas over three parts, starting with geometry and the definition of straight lines and curved spaces. The video also discusses the notion of curvature, using parallel transport to define it, and introduces the concept of flat spacetime, setting the stage for further exploration in subsequent episodes.

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