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Showing posts from August, 2020

Of Time Machines and Multiverses

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                      The recent Jaipur Litfest was graced by renowned Indian authors such as Jhumpa Lahiri, Vikram Chandra and Amish Tripathi, ex ambassadors Hussain Haqqani, Robert Blackwell and Shyam Saran and Nobel Laureates Amartya Sen and Harold Varasmus. It made for a fascinating intellectual feast and one was hard pressed to choose which session to attend. Finally, we evolved the tactic of visiting sessions at random and in the process stumbled into   a presentation by Jim Al Khalili, a Professor of Physics at the University of Surrey.      We learned that  Jim Al Khalili has  written the book, ‘Black holes, Worm holes and Time Machines’. His session was infused with his passion for physics so much so that faint memories of physics classes in School were rekindled. Newton postulates  that time and space are constants and are the foundation on which his Laws of Motion rest. Much of the physical world was explained by him and he is credited with being the harbinger of the Industr