Its a simple concept, really. He that can swim needs not - TopicsExpress



          

Its a simple concept, really. He that can swim needs not despair to fly; to swim is to fly in a grosser fluid, and to fly is to swim in a subtler. We are only to proportion our power of resistance to the different density of matter through which we are to pass. You will be necessarily upborne by the air if you can renew any impulse upon it faster than the air can recede from the pressure... The labor of rising from the ground will be great, ... but as we mount higher, the earths attraction, and the bodys gravity, will be gradually diminished till we arrive at a region where the man will float in the air without any tendency to fall. — Dr. Samuel Johnson, The History of Rasselas, Prince of Abyssinia, 1759
Posted on: Tue, 08 Apr 2014 20:24:15 +0000

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