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A Whale-Oiled Machine
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Nye Whale Oil - The Science Guy Guy
Bill Nye: I'm all about lubricants, man. When you have any sliding mechanical parts, in general you need a lubricant. Julius Caesar and those guys were lubricating their axles with grease. You would get grease from by rendering animal fat. In the more than 3,000 year old tomb of Egyptian pharaoh Tutankhamun, they found half a dozen horse-drawn chariots. Slathered into the spot where the wheels rotate around the axle. This helped control the friction problem.
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