Lightning can also cause injury inside a building if it hits close to it and is carried into the building through the plumbing or wiring. This is especially true for computers, game stations that are hard wired, or the old fashioned hard wired telephones.
Controlling and directing the en- ergy of lightning to protect humans, buildings, and equip- ment is a concern of the electrical engineer. This paper will present an overview of lightning protection from the methods currently available in the marketplace to ideas conceived for the future.
Lightning is a strong and fast discharge of electricity from a storm cloud to the ground, within the cloud, or to another cloud. Lightning forms due to the separation of electrical charges. As air.Light pollution is caused by inefficient or unnecessary use of artificial light. Specific categories of light pollution include light trespass, over-Illumination, Glare, Light Clutter, and Skyglow.A single offending light source often falls into more than one of these categories.Download This Article (PDF - 922 KB) Lightning strikes can affect airline operations and cause costly delays and service interruptions. Strikes to airplanes are relatively common but rarely result in a significant impact to the continued safe operation of the airplane.
Lightning is an electrical discharge caused by imbalances between storm clouds and the ground, or within the clouds themselves. Most lightning occurs within the clouds.Read More
Essays on American environmental history. Nature Transformed is an interactive curriculum enrichment service for teachers, offering them practical help in planning courses and presenting rigorous subject matter to students. Nature Transformed explores the relationship between the ways men and women have thought about their surroundings and the ways they have acted toward them.Read More
Abiotic sources include lightning, vehicles impacts, and construction activities. Construction activities can involve a number of damage sources, including grade changes that prevent aeration to roots, spills involving toxic chemicals such as cement or petroleum products, or severing of branches or roots. People can damage trees also. Both damage sources can result in trees becoming dangerous.Read More
School children under the age of 15 have a 'tiny' one-in-3.5million chance of dying from coronavirus and are more likely to be hit by lightning, according to statistics. Analysis of data from the.Read More
Flood Prevention. You may be surprised to learn that floods are actually a natural and beneficial process. Flood waters carry important nutrient-rich sediments downstream and onto the lands.Read More
Personal Essay: Coronavirus Lockdown Is A 'Living Hell' March 03, 2020. A Resident Of Wuhan; The government lockdown orders in Wuhan, China, have emptied the city's streets. (Stringer for NPR.Read More
Forest Fire Prevention Forest Fire Statistics. The United States Forest Service continuously studies wildfires across the United States and their recent statistics demonstrated how dangerous and frequent wildfires are. There are around 68,000 wildfires reported every year in the United States; These fires burn an average of over 7,400,000 acres a year; Every state is at risk of forest fires.Read More
Litter consists of waste products that have been discarded incorrectly, without consent, at an unsuitable location. Litter can also be used as a verb; to litter means to drop and leave objects, often man-made, such as aluminum cans, paper cups, fast food wrappers, cardboard boxes or plastic bottles on the ground, and leave them there indefinitely or for other people to dispose of as opposed to.Read More
Prevention; Most cases of lung cancer are caused by smoking, although people who have never smoked can also develop the condition. Smoking. Smoking cigarettes is the single biggest risk factor for lung cancer. It's responsible for more than 70% of cases. Tobacco smoke contains more than 60 different toxic substances, which are known to be carcinogenic (cancer-producing). If you smoke more than.Read More
The term landslide or less frequently, landslip, refers to several forms of mass wasting that include a wide range of ground movements, such as rockfalls, deep-seated slope failures, mudflows, and debris flows.Landslides occur in a variety of environments, characterized by either steep or gentle slope gradients, from mountain ranges to coastal cliffs or even underwater, in which case they are.Read More