Karlsruhe
April 2nd, 2009
Karlsruhe is a city in the southwest of Germany. It is located in the province Baden-Wuerttemberg near the French border. Karlsruhe has a lot of sightseeing places to offer and a trip to the city can be very interesting and a lot of fun. In 1715 the city was founded by the margrave Karl Wilhelm [...]

History of magnetism
In 600 BC the history of magnetism began but people were only beginning to understand it in the 20th century. Then they were able to use their knowledge about magnetism to develop technologies based on it. Magnetism was first observed by the Chinese in the 4th century BC. They discovered that lodestone attracts iron and [...]