Transportation of oil by water was the indirect result of the first oil well. Mineral oil had been known to exist below the surface of the earth for quite some time. There are indications that the Chinese obtained small quantities from shallow mines several thousand years ago, but the small quantities obtained by them and people inhabiting the Middle East could never have justified the time and energy needed in developing it as a fuel for heating, lighting, and the multitude of other purposes which man has found for oil in the present highly Industrial Age. The first oil well was sunk in … [Read more...]
Flotation Principle and Explanation – Archimedes
Ever wondered how huge ships manage to stay afloat in water, while a small iron nail sinks? Puzzling as it may appear, you can easily explain this, and many other similar phenomena, with the help of the Archimedes' Principle of Flotation. So, what is the Archimedes' Principle all about? Principle of Flotation: Definition The Archimedes' principle states that any object, wholly or partially immersed in a fluid, experiences an upward force equal to the weight of the fluid displaced by it.Here the term 'fluid' refers to all liquids and gases. For an object that is completely submerged in a … [Read more...]