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Static Presentation

Transcript: Charge Silver Copper Gold Aluminum Definition: A electrostatic generator which uses a moving belt to accumulate electric charge on a hallow metal globe on top of an insulated column. Charged by Polarization Example of Good Conductors BASIC PROPERTIES OF CHARGES Conductor Uses The force generated by two charges is of the same form as that generated by two masses and, like gravity, force from an electrical field is both conservative and central. The invention was to supply high energy needed for early particle accelerators or atom smashers. They accelerated sub-atomic particles to very high speeds then smashed them into target atoms. When the motor (charger) is turned on, it has high voltage and creates static electricity (shocks). Purpose Glass Rubber Fiberglass Ceramic Insulator Belts and Rollers for charging Charging by Induction Mass Basic Properties of Charges Charges are conserved meaning that they cannot be created or destroyed. The amount of charge carried by an atom is always a multiple of the elementary charge, that is, the charge carried by a single electron or a single proton. 2 types of Van De Graff generators Method used to charge an object without actually touching the object to any other charged object. There are a variety of methods to charge an object. One method is known as induction. In the induction process, a charged object is brought near but not touched to a neutral conducting object. The presence of a charged object near a neutral conductor will force (or induce) electrons within the conductor to move. EXPLANATION OF THE VAN DER GRAFF High-Voltage power supply for charging Examples of Good Insulators BY: Lance Leroy, Nicole Chiapa Domanique Harris, Breanna Upshaw Polarization occurs when an electric field distorts the negative cloud of electrons around positive atomic nuclei in a direction opposite the field. This slight separation of charge makes one side of the atom somewhat positive and the opposite side somewhat negative. CONDUCTORS AND INSULATORS A material of such low conductivity that the flow of current through it is negligible. The general purpose of a conductor is to direct heat or electricity from its source to its application. The general purpose of an insulator is to constrain the heat or electricity and stop it straying outside where we want it to be. History and Background Works Cited The electron's mass is one of a few key parameters that govern the structure and properties of atoms, yet because the electron is so tiny, precisely measuring its atomic mass has been difficult. Conductors Charge is measured in Coulombs (C), which represent 6.242×1018 e, where e is the charge of a proton. Charge The importance of the mass-to-charge ratio is that two particles with the same mass-to-charge ratio move in the same path in a vacuum when subjected to the same electric and magnetic fields. Its SI units are kg/C. If you touch the generator, all that electricity will go through your body giving you a big shock. It can actually be dangerous. You can be protected from the ground by standing on a piece of rubber or plastic. Plastic and rubber are insulators since charges can't travel through them very easily. When you touch the generator now, the charges can't get to the ground. You are now filled up with electrons. The electrons don't like each other and are trying to get as far away from each other as possibly. Usually this makes your hair stand up because it is filled with electrons that are repelling each other. MASS AND CHARGE A substance, body, or device that readily conducts heat, electricity, sound, etc. Experiment using the Van De Graff CHARGING BY CONTACT, INDUCTION, AND POLARIZATION It is designed to create static electricity and make it available for experimentation. The American Physicist Robert Jemison de Graff invented it in 1931. The device has the ability to to produce extremely high voltages -- as high as 20 million volts. Mass Charge and Mass

Static Electricity Presentation

Transcript: What is it? What is it? Static Electricity By Mrudula Arali What is Static Electricity? What is Static Electricity? Static Discharge Static Discharge Static Electricity is a form of stationary electricity that is produced due to an imbalance of charges within an object. Significance Significance Significance Concepts of Static Discharge Static Discharge - Only electrons can move within atoms - Electrons weigh far less than protons, and therefore may be able to move faster Significance Electrostatic Dusters Electrostatic Dusters Law of Electric Charges Law of Electric Charges Attraction Significance Significance Significance Repulsion Notes Significance Laser Printers Air Filters Electrostatic Paint Conductors and Insulators Conductors and Insulators Significance Significance Significance Flow of Electrons Significance Conduction Plate Conduction Plate Insulating Handle Insulating Handle Electrostatic Series A chart that determines materials least likely to gain electrons to the most. Electrostatic Series Significance Significance Significance Innovations with Static Electricity What is Grounding? What is Grounding? Significance Significance Significance Lightning Rods on Skyscrapers! Charging by Conduction Charging by Conduction Charged Object nears a Neutral Object Electrons get distributed throughout Contact causes Electrons to transfer Charging by Induction Charging by Induction Charged Object creates Induced Charge Separation Grounding removes electrons from neutral object Results in an overall positively charged object

Background Presentation

Transcript: 14th Week Consulting interns can be expensive Time and Money Personal Experience Preliminary Design Stage NFPA 101 and NFPA 13 New and Existing Education, Business, and Mercantile Definition of Project This app would be used to provide interns and recent graduates with an outline of guidelines for how to design and review designs of specific occupancies. With the given time frame, I will be writing the information that will go into the app Begin parametric study: Speak with my mentor and Jason to understand more about what critical variables I could concentrate on for this app. Choose those parameters and begin my study Gather information from NFPA 101 and NFPA 13 for new and existing education, business, and mercantile occupancies. By: Breanne Thompson Next Steps (Continued) Finish preparing for Draft of Analysis Pull together and discuss results of project Draw my conclusions and state future work needed Turn in Final Paper! 10th and 11th Week Turn in my parametric study Begin draft of analysis Map out the process of the app for the key elements 15th Week References Next Steps 7th Week Prepare for Final Presentation Summarize my draft of analysis into presentation Work on how to incorporate a live demonstration for my presentation App Development Background Information 8th-9th Week Continuous Process Objective-C for Apple products Java for Android products 6 months of studying Places to Learn: Codecademy, iOS Dev Center, Android Developers Training Hire App Developer will cost thousands Prepare Final Paper Dive into Shark Tank! 1. 2. 6th Week Background Presentation 12th-13th Week

Background Presentation

Transcript: Real action and accountability Amnesty International Non-state actors/ Rebel Groups?? ...and what about men?? ignoring male rape victims? would rape exist without a man? Weapons of War: Rape UN as an Arena - NGO's - Discussion and dialogue Arena Instrument Actor Critical Thinking Weapons of War: Rape UN as an instrument UNSC Resolution 1820 (2008) UN as an Actor - UN Action Against Sexual Violence in Conflict Weapons of War: Rape Problems with 1820 "Roles and Functions of International Organizations" "Sexual violence, when used as a tactic of war in order to deliberately target civilians or as a part of a widespread or systematic attack against civilian populations, can significantly exacerbate situations of armed conflict and may impede the restoration of international peace and security… effective steps to prevent and respond to such acts of sexual violence can significantly contribute to the maintenance of international peace and security" (UNSC Resolution 1820, p. 2)" Background Presentation- Kristin Mann Weapons of War: Rape Brief Insight - used to manipulate social control - destabilize communities - weaken ethnic groups and identities Examples: - Sudanese Militia - Rwanda Genocide - DRC Critical Thinking Critical Thinking Increased Data Collection by international organizations - determine humanitarian responses - ensures justice and reparation - provides recognition and dignity

Background Presentation

Transcript: Death rate 2012: 12.84 deaths/1,000 population (World ranking: 22) Infant (Child Mortality) Total: 79.02 deaths/1,000 live births (world ranking: 10) HIV/AIDS (2) Appropriate Technology Landlocked country Great African Rift Valley system: East – Lake Malawi South – mountains, tropical palm-lined beaches Mainly a large plateau, with some hills Lake Malawi (Lake Nyasa) Almost 1 million people have AIDS 60% of these are female Declining in urban areas, Rising in rural areas Leading cause of death amongst adults Contributes to the low life expectancy: 54.2 years 209th ranking (One of the lowest) 500,000 children have been orphaned due to AIDs Micro-finance Policy Framework and Strategies (Health SWAp) increasing the availability and accessibility of antenatal services; utilization of skilled health personnel during pregnancy, childbirth and postnatal period at all levels of the health system; strengthening the capacity of individuals and institutions to improve maternal and neonatal health; increasing the number of skilled health personnel; constructing and upgrading health facilities to offer essential health services particularly focusing on rural and underserved areas; and provision of ARVs and micronutrients during pregnancy. Geography of Malawi CCST 9004 Appropriate Technology for the Developing World Indicator 3: Literacy Rate of 15 – 24 year-olds According to the World Bank, microfinance is defined as: Microfinance is the provision of financial services to the entrepreneurial poor.This definition has two important features:it emphasizes a range of financial services—not just credit— and it emphasizes the entrepreneurial poor. Goal 2: Achieve Universal Primary Education Appropriate Technology: SIRDAMAIZE 113 Population: 16,777,547 (estimated in July 2013) Population growth rate: 2.758% (2012 est.) (World ranking: 18) Age structure Children: 50% of total population HIV/AIDS Human Resources Education Poverty Food Insecurity Erratic Rainfall Patterns/Droughts Corruption Lack of Foreign Investment Languages Indicator 5: Proportion of seats held by women in National Parliaments Central Region: 1-9 (Yellow) *Capital: Lilongwe Northern Region: 10-15 (Red) Southern Region: 16-27 (Green) Lake Malawi (Blue) Land surface area 45,747 square miles Challenges: · shortage of qualified primary school teachers; · inadequate physical infrastructure; · poor retention of girls mainly from standard five to eight; · high disease burden due to HIV and AIDS consequently leadinto absenteeism, especially among girls who take care of the sick · Poverty levels are high in rural areas. Malawi – Climate/Agriculture Trading partners: South Africa, Zambia, China, US Challenges: · shortage of qualified primary school teachers; · inadequate physical infrastructure; · poor retention of girls mainly from standard five to eight; · high disease burden due to HIV and AIDS consequently leading to absenteeism especially among girls who take care of the sick; and · poor participation of school committees and their communities in school management. · Poverty levels are high in rural areas. 1 Doctor per 50,000 people Hinders the ability to deliver medical services to people in need Reason: Emigration Lack of access to education Aggravated by AIDS > 4 nurses are lost each month This also affects other sectors: Government Business Farmers Human Resources HIV/AIDS - Contemporary GDP: US $14.58 billion (2012 est.) (World ranking: 142) Labor force: agriculture: 90%; industry and services: 10% (2003 est.) Countries main income Agriculture Main crops: maize, tobacco, tea, sugar cane, groundnuts, cotton, wheat, coffee, and rice Industry: tobacco, tea, sugar, sawmill products, cement, consumer goods Challenges: limited capacity in terms of human and material resources to facilitate adult literacy and continuing education; early marriages perpetuated by socioeconomic factors; socio–cultural factors that make people believe that men should be leaders while women are followers; and, poor learning environment which affects girls in primary and secondary schools e.g. sanitary facilities, long distances to education facilities, extra burden from domestic chores especially for adolescent girls resulting into high dropout rate. 1964: Independent from Britain Indicator 1: Maternal Mortality Ratio Malawi Demographics Problems - Outline Indicator 4: Share of Women in Wage Employment in the Non- Agriculture Sector measure of employment opportunities ( i.e equal proportions of men and women in formal employment) Yet, more women participate in the agriculture sector than in the formal wage employment especially in jobs that require professional qualifications. Due to: literacy levels, gender disparity and cultural values. Facts About the Product: Drought tolerant maize variant Able to mature under limited rainfall Suitable for marginal rainfall areas 136 days to mature Normally: 150 – 180 days Able to mature under limited rainfall Suitable for marginal rainfall areas

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