{ "item_title" : "The Science of Skateboarding", "item_author" : [" Tj Allen "], "item_description" : "Every culture has its philosophers. Ancient Greece had Aristotle. Renaissance Italy had Leonardo. Modern humanity has... Tony Hawk.Because somewhere between gravity and glory, between asphalt and air, lies a discipline that is equal parts physics, courage, and stubbornness: skateboarding.This book is not merely about skating - it's about the science of skating. Why boards roll, why bodies rotate, why concrete seems to move faster when you fall. Every push, grind, and wipeout is a physics equation with blood, sweat, and duct tape as variables.We'll explore the molecular structure of grip tape, the biomechanics of knees that refuse to retire, and the aerodynamic principles of pants three sizes too big. You'll meet scientists who turned geometry into motion, and skaters who turned parking lots into laboratories.", "item_img_path" : "https://covers2.booksamillion.com/covers/bam/9/79/827/590/9798275909869_b.jpg", "price_data" : { "retail_price" : "19.99", "online_price" : "19.99", "our_price" : "19.99", "club_price" : "19.99", "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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