{ "item_title" : "Untangling General Relativity", "item_author" : [" Simon Sherwood "], "item_description" : "I remember my introduction to general relativity. It was an online course that bombarded my brain with a blizzard of mathematics: parallel transport, covariant derivatives, Riemann tensors,Ricci tensors, Christoffel symbols (known affectionately as Cripes-they're-awful symbols), the energy-momentum tensor, the Schwarzschild metric, the cosmological constant... I could go on and on. My gut reaction was to recoil in horror and wonder how any normal human being can understand the subject. I suspect this is the reaction of many students, which is why I have written this book.-- Provided by publishe ", "item_img_path" : "https://covers2.booksamillion.com/covers/bam/1/39/435/585/1394355858_b.jpg", "price_data" : { "retail_price" : "67.50", "online_price" : "67.50", "our_price" : "67.50", "club_price" : "67.50", "savings_pct" : "0", "savings_amt" : "0.00", "club_savings_pct" : "0", "club_savings_amt" : "0.00", "discount_pct" : "10", "store_price" : "" } }

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