Ever wondered why ship’s speed is measured in knots and not in km/ hour or metre / sec? Well, read on to know the history behind it. During earlier days, mariners used to measure how fast their boat was moving by throwing a piece of wood or other floatable object over the vessel’s bow and then by counting the amount of time elapsed before the … Continue reading Ever wondered why ship’s speed is not measured in Miles/hour or KM/hour? Here is the answer!