காலம் - ஒரு அறிவியல் பார்வை

மேலதிக வாசிப்புக்கு:#

1. What is a “cesium atomic clock”? National Research Council Canada,

2. Optical Clocks: The Future of Time, National Institute of Standards and Technology (NIST), USA. 

3. For a simple explantion of spacetime curvature, gravity, and how Einstein’s general theory of relativity explains it, see the video: What is General Theory of Relativity?

4. Optical Clocks: The Future of Time