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Direct linkKersting, Magdalena; Steier, Rolf – Science & Education, 2018
According to general relativity (GR), we live in a four-dimensional curved universe. Since the human mind cannot visualize those four dimensions, a popular analogy compares the universe to a two-dimensional rubber sheet distorted by massive objects. This analogy is often used when teaching GR to upper secondary and undergraduate physics students.…
Descriptors: Science Instruction, Teaching Methods, Scientific Concepts, Online Courses
