Which Dutch astronomer and physicist, who discovered the rings of Saturn in the mid 1650's, is creditied with building the first pendulum clock?
History of the Netherlands and secretly exported to other countries. Thus during the 17th century the Dutch Republic became more and more Europe's publishing house. Christiaan Huygens (1629–1695) was a famous astronomer, physicist and mathematician. He invented the pendulum clock, which was a major step forward towards exact timekeeping. He contributed to the fields of optics. The most famous Dutch scientist in the area of optics is certainly Anton van Leeuwenhoek, who invented or greatly improved the microscope (opinions differ) and was the first to methodically study microscopic life, thus laying the foundations for the field of microbiology. Famous Dutch hydraulic engineer Jan Leeghwater
Lucky Starr and the Rings of Saturn Lucky Starr and the Rings of Saturn Lucky Starr and the Rings of Saturn is the final novel in the "Lucky Starr" series, six juvenile science fiction novels by Isaac Asimov that originally appeared under the pseudonym Paul French. The novel was first published by Doubleday & Company in 1958. It was the last novel to be published by Asimov until his 1966 novelization of "Fantastic Voyage", and his last original novel until 1973's "The Gods Themselves". "Lucky Starr and the Rings of Saturn" is the only novel by Asimov set in the Saturnian system. "Lucky Starr and the Rings