Most scientists begin their careers after rigorous training and learning. But Antonius van Leeuwenhoek was an entirely self-taught amateur. Born in 1632, he spent most of his life in his native town of Delft in Holland, where he ran a drapery business.
Oil, gas and coal, which are the world’s supply of fossil fuels, will sooner or later, run out. In preparation for this, considerable work is already being done to find Energy Alternatives. Nuclear power is just one of the considerations. Another natural and perhaps most obvious source of energy is the sun. Here, we give thought to the many other alternative energy sources.
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
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