Antony van Leeuwenhoek essays

Antony van Leeuwenhoek essays The biologist I chose to report on is Antony van Leeuwenhoek. I chose to report on him because he made many great microscopic discoveries. Those discoveries include bacteria, free-living and parasitic microscopic protist, sperm cells, blood cells, and many Leeuwenhoek was born on October 24, 1632, in Delft. His mothers family were brewers and his father was a basket-maker. Antony was taught at Warmond and lived with his uncle in Benthuizen. He got his first job in a linen-drapers shop, in 1648. In 1654, he moved back to Delft, where he lived the rest of his life. He set up a drapery business for a while, but also worked as a surveyor, wine assayer, and a minor city official. In 1676, he was the trustee of a famous painter named Jan Vermeer. In 1668, Leeuwenhoek learned to grind lens and used them to make simple microscopes. Robert Hooke was his inspiration to use microscopes. Ten out of five hundred of Leeuwenhoeks scopes have survived up until today. His microscopes were basically a strong magnifying glass and not compound like the ones used today. Leeuwenhoeks scopes were composed of only one lens, mounted in a tiny hole, in the brass plate. The brass plate served as the base, also. Whatever was being viewed was placed on a sharp point, which was in front of the lens. To focus the object, two screws were turned. The entire scope was 3-4 inches long, and very difficult to use. Leeuwenhoek is often called, The inventor of the microscope, when in truth the compound microscope was invented many years The old compound microscope were not very good for viewing because they could only enlarge 20-30 times the original size. Leeuwenhoeks scopes however could magnify up to 200 times and more clearly then any other scopes at the time. Because Leeuwenhoeks scopes could magnify so well and clear many of his ...

Essay Sample on HR Technique during Periods of Change and Uncertainty

Essay Sample on HR Technique during Periods of Change and Uncertainty It is widely believed that one can fool anybody for all time, one can fool everybody for a short time but it is impossible to fool everybody for all time. This is the focal point of the above statement. I believe that an organization is a long termed project and not just a sort termed profit making scam. To attain success in the long term and attain success an organization must look into issues that would help the organization in the long term. One such issue is to maintain sustainability over a long period of time and to attain sustainability the most important variable related to an organization is Trust with a capital T. It is this trust that helps an organization to be fruitful and develop. By using the word trust it is not meant to be applicable to any specific firm or individual. It is not only applicable towards clients and suppliers but it is relevant to everybody associated with the company or organization. This principle could be formulated into a HR technique that would yield surplus in the long run. Trust is not just about the stake holders of the company but more so it is applicable towards its employees too. There is no meaning of showing a bright future where there is none; rather it would be far more positive attitude to reveal everything that is true about the organization. It is not only a moral approach but a trust building operation that would prove to be helpful in future and a HR manager would never let go a chance to win the faith of a worker. (Mukherjee, 28) Revealing the open truth about the company is the most effective way of taking an employee into complete confidence. If you need a custom essay, research paper, thesis, term paper, dissertation on Management, Business or other discipline feel free to contact our professional custom writing service.