Reflections of Rajaram Bojji

  (NASA...Web Telescope) 1, Hello, I want to discuss about the scale effect of masses in physics ! Ah, the fascinating world of physics! The scale effect of masses is quite an intriguing topic. Essentially, this concept explores how the behavior and properties of masses change when you scale up or down in size.  At different scales, the forces and interactions that dominate also change. For instance: - **Microscopic scale:** At the level of atoms and molecules, quantum mechanics takes over. The interactions here are governed by principles like wave-particle duality, uncertainty, and quantization. - **Human scale:** This is the scale we're most familiar with. Classical mechanics, as described by Newton's laws of motion, generally applies. Gravity, friction, and other forces dictate the behavior of objects around us. - **Cosmic scale:** When you look at the universe at large, things get even more interesting. General relativity comes into play, describing the cu...

(Jupiter benevolent Brihaspati may guide us) (Picture credit Sky view)  General theory of relativity if space - time can have curvature, suppose shrinking or expansion of space time fabric also possible. Then what? Fascinating thought! The General Theory of Relativity, introduced by Einstein, indeed tells us that the fabric of space-time can curve due to the presence of mass and energy. If we extend this idea to consider the shrinking or expansion of the space-time fabric, several intriguing possibilities emerge. ### Expansion and Shrinking of Space-Time 1. **Cosmic Inflation and Expansion:** - **Inflation:** Just after the Big Bang, the universe underwent a rapid expansion known as cosmic inflation. This caused the space-time fabric to stretch at an exponential rate. - **Expansion:** The universe is still expanding today, a discovery attributed to Edwin Hubble. This expansion affects the distance between galaxies, leading to phenomena like the redshift of light from distant stars....