WTD ep.74 Dr. Jim Pivarski 'Dark Matter'

Dr. Jim Pivarski returns to Wake the Dead to teach us about Dark Matter & Dark Energy. What is it? Why do scientists believe it exists? What have they observed to lead them to their understanding? Jim sits in the window at Fermi National Accelerator Laboratory (Fermilab) to tell us about a phenomenon which science is still in the process of figuring out. Jim shares slides to demonstrate the ideas & walks us through the evolution of the theories they are working with today. Maybe Dark Matter is not a particle at all, maybe it is like gravity, forever elusive to observation. Is gravity actually part of the space-time matrix? Does it only exist because time requires it? There are a lot of mind stretching thoughts to think about in this episode. Please enjoy the show.
Find Jim Pivarski’s work here: http://coffeeshopphysics.com/

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