The life cycle of a star

A Nuclear Furnace: A star is like a gigantic nuclear furnace. The nuclear reactions inside convert hydrogen into helium by means of a process known as fusion. It is this nuclear reaction that gives a star its energy. Fusion takes place when the nuclei of hydrogen atoms with one proton each fuse together to form…

What is Relativity !?

 Does every assertion make sense? Obviously not. Even if we take some words and link them together in strict accordance with the rules of grammar, the result may be complete nonsense. There is no sense whatsoever, for example, in the assertion that “water is triangular”. However, not all nonsense is so obvious. All too often an assertion…