Sunday, February 16, 2020

Clouds Seeding Essay Example | Topics and Well Written Essays - 1000 words

Clouds Seeding - Essay Example This paper takes a closer look at the concept of cloud seeding, the types, uses, and impact on the environment (Keyes 3). The main objective of cloud seeding is to cause enhance the precipitation through rain and snow and reduce the formation of hail and fog. This technology initially launched to research on and to monitor the climatic conditions of various regions in the world has been widely adopted by world’s leading economies with the main objective of negating the effects of extreme weather conditions. Under normal circumstances, harsh weather conditions are mostly experienced in the temperate countries especially during the winter and summer (Keyes 3). Although several methods of cloud seeding exist, the most common categories are the aerial cloud seeding and ground-based cloud seeding. Aerial cloud seeding involves the use of light aircrafts in the modification of weather at a considerable height from the ground. Ground-based cloud seeding on the other hand, entails the launching of intended substances into the earth’s atmosphere to carry out the same purpose. Irrespective of the procedure used to conduct cloud seeding, the underpinning idea is the same as it is the same process conducted in different procedures. Since the essence of cloud seeding is to promote the precipitation of condensed cloud, the methodology involves the injection of certain substances or chemicals into the clouds with the most commonly used being dry ice and silver iodide (Keyes 3). In some cases, the use of propane has proved successful although scholars from certain quarters questioned its efficiency. Since for successful could seeding to take pla ce there has to be super cooled water, the use of silver iodide has solved the problem through its ability to stimulate freezing nucleation because it is crystalline in nature. Research shows that dry ice and propane perform better than silver iodide as far

Sunday, February 2, 2020

Theodora Essay Example | Topics and Well Written Essays - 1000 words

Theodora - Essay Example She was a monophysite Christian while her husband was an orthodox Christian. The fact that law had to be changed proves that Theodora came from a lowly background but despite her background her influence on others was immense. Despite her background she could exert tremendous influence on her husband, on Byzantine politics and law. She first influenced Justinian with her wit, beauty and insight. There were difficulties in marrying her because of her background so he made her his mistress. She could influence the then emperor Justin in to changing the laws so that she could marry Justinian. Thus she earned the respect of her husband. She had tremendous influence on various people, issues and particularly workings of the state. She exerted significant influence on matters of law pertaining to women. She was treated as an intellectual partner and her suggestions had strong influence on the political decisions of the empire. For instance, when two factions came into existence and threatened to end Justinian’s rule, she influenced the generals and the officials to stay in the city and take strong action to suppress the rebellion. She was consulted when they wanted to introduce reforms to end corruption by public officials. She is even credited with supporting her husband in providing advice during the Nika revolt. She exerted influence by participating in making the laws and handling diplomatic functions usually reserved for the emperor. Several achievements and accomplishments show how powerful a woman Theodora was of her time. The Nika Revolt was the first incident that brought her to limelight. This full scale revolt almost toppled the regime. When there was debate whether to run away in ships or to remain where they were, Theodora rose to speak. Her speech was such that it could be compared to a speech made by the senator to the insurgents. She acknowledged