The time period agriculture refers to cultivation of vegetation, animals for food, fuels, clothes, medication and other merchandise which are essential for our living. In the earlier instances, biotechnology’s application was restricted to agriculture and within the manufacturing of fermented meals products but with the discovery of newer and much complicated information comprising of essentially the most smallest of buildings that are measured in microns biotechnology has been found fruitful in the production of many useful products that improves the quality of life of mankind. The classes of science like genetic engineering, animal cell culture, plant cell culture, microbiology, molecular biology, cytogenetics, cryopreservation, bioprocessing, biochemistry, cell biology, embryology, immunology and bioinformatics all these come under biotechnology. Optical wireless networks. Wi-fi networks based on radio wave have been widespread for the reason that 2000s. However they undergo from two major drawbacks. One is that information switch speeds on the RF spectrum are limitedâ€”which is part of the rationale why sending data over a wireless Internet connection is almost all the time slower than using an Ethernet link.