Browsing By Tag "electricity"
In olden times, men of science, and especially those who have done most to forward the growth of natural philosophy, did not despise manual work and handicraft. Galileo made his telescopes with his own hands. Newton learned in his boyhood the art of managing tools; he exercised his young mind in contriving most ingenious machines, and when he began his researches in optics he was able himself to grind the lenses for his instruments and himself to make the well known telescope which, for its time, was a fine piece of workmanship. Leibnitz was fond of inventing machines: windmills and carriages to be moved without horses preoccupied his mind as much as mathematical and philosophical speculations. Linnaeus became a botanist while helping his f... (From : Anarchy Archives.)
I. In olden days there was a shepherd whose name was Magnes. Magnes lost a sheep. He went to the mountains to find it. He came to a place where there were barren rocks. He walked over these rocks, and felt that his boots were sticking to them. He touched them with his hand, but they were dry and did not stick to his hand. He started to walk again, and again his boots stuck to the rocks. He sat down, took off one of his boots, took it into his hand, and touched the rocks with it. Whenever he touched them with his skin, or with the sole of his boot, they did not stick; but when he touched them with the nails, they did stick. Magnes had a cane with an iron point. He touched a rock with the wood; it did not stick; he touched it with the iron end, and it stuck so that he could not pull it off. Magnes looked at the stone, and he saw that it looked like iron, and he took pieces of that stone home with him. Since then that rock has been known, a...