Measuring the curvature of a space takes parallel transport and the Riemann curvature tensor (General Relativity). Let's explore this using Flatland and Lineland, an old tool involving lowerdimensional spaces. Brilliant for 20% off: http://brilliant.org/ScienceAsylum
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VIDEO ANNOTATIONS/CARDS

The Ultimate Guide to Relativity:
   • The Ultimate Guide to Spacetime and ...  

What the HECK is a Tensor?!?
   • What the HECK is a Tensor?!?  

How Elastic is the Fabric of the Universe?
   • How Elastic is the Fabric of the Univ...  
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RELATED YOUTUBE VIDEOS

PBS Space Time on Space Curvature:
   • Can a Circle Be a Straight Line?  

Flatland by Carl Sagan:
   • Video  

Flatland by "What The Bleep?"
   • Dr. Quantum Flatland  
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LINKS TO COMMENTS

   • How Elastic is the Fabric of the Univ...  
   • How Elastic is the Fabric of the Univ...  
   • How Elastic is the Fabric of the Univ...  
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