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Speed of light is the key point, theory of relativity hinged upon. It has marvelled the scientists before its actual value was known and much dwelled upon later. Earlier it was thought to be infinitely large but later discovered of having a finite value. The book covers all the fascinations and strange properties associated with it and an eagle eye view of theory of relativity as well as.
Newton's laws has contradiction with Electrodynamics and Thermodynamics. In Electrodynamics, Relativity resolves this contradiction by postulating that speed of light is constant. This gives Lorenz's local time a physical sense, in the way sand-watch of pre-newtonian physics produces the meaning or definition of time as: equal causes takes equal time to produce equal effects. Now you have a clock where a photon is bouncing between two parallel mirrors. The rest of relativity follows accordingly.
To formulate Newton's laws, Newton uses calculus.The book goes into the some details of calculus to understand the basic defects of Newtonian physics, which is the formulation of d/dt in Newton's second law.
Abhishek Kumar
Abhishek kumar is an educator, author and computer scientist. He has authored several books in Science for general audience.
