Category: Discovery & Inventions

Every day the Sun pours down on to the Earth enough energy to power every house, factory, car, ship and plane in the world for about 30 years. A tiny amount of this energy is used to evaporate the oceans to make clouds, to drive the winds, or by plants in photosynthesis. – Solar Energy

The year 1903 is not such a long time ago. But many people are not alive now though who were living then. But the changes that have occurred in these many years are very great indeed. – The Fastest Possible Speed