-
Grolier Electronic Publishing 19 Th Century
1,437 wordsAn elevator is a mechanism for moving people and freight from level to level in a building or any other structure. The first elevator-like structure was built in 236 BC by the Archives. This construction was a hoist operated by ropes and pulleys. However, the first pragmatic elevator was not developed until the 19 th century. Though sensible, this elevator has been modified many times throughout the course of history and is still updated with all of the new advancements in math and technology. F...
Free research essays on topics related to: second type, steam powered, 19 th century, electric motor, grolier electronic publishing -
Electric Meter Loop Job Is Done Correctly Box
797 wordsHow do you hook up an electrical Meter loop? How do you hook up an electric meter loop? An electric meter loop is the service entrance where the electricity feeds the home from the transformer on the pole. Therefore it is one of the most important necessities to the home. For example, in a new home you need to find out how much juice your home is going to need. If the house is a fairly big, more than likely youre going to go with a 200 amp service to accommodate the appliances like the air condi...
Free research essays on topics related to: breaker, wire, box, electrical, meter -
Standard Of Living Hispanic Americans
1,149 wordsAfter years of living with a strict budget because of the Great Depression and the war, during the post-war period, Americans wanted to get their hands on anything they could get, especially automobiles and television sets, which advertised for other products during commercials. They also purchased more refrigerators, washing machines, vacuum cleaners, and cameras than ever before. Electric can openers, electric garage door openers, and electric pencil sharpeners appeared on the market and quick...
Free research essays on topics related to: african americans, collar workers, hispanic americans, native americans, standard of living -
Nuclear Power Plants Chemical Weapons
1,909 wordsThis paper will discuss the moral and ethical issues concerning how and why Locally Undesirable Land Uses (LULUs) and Treatment, Storage and Disposal Facilities (Tsdf's) are located. A LULU, or TSDF, can be a power plant, a munitions factory, a county landfill, a medical waste incinerator, a hazardous waste storage facility, a military base, an airport or any number of other facilities that people need, but do not want to live next to. The siting of these types of facilities is thought to be dri...
Free research essays on topics related to: nuclear power plants, nuclear fuel, hazardous waste, chemical weapons, fuel rods -
Positive And Negative Conduct Electricity
595 wordsElectrolytes are liquids that conduct electricity. Most need to be dissolved into water or another solvent. Battery's have an electrolyte in them, either as a liquid or as a paste. Liquid electrolytes are used in electrolysis, electroplating, and other chemical processes. When electrolytes dissolve they release positive and negative ions. The released ions carry electric charges between electrodes, in the solution. Cations (a positively charged ion that migrates to the cathode, a negative electr...
Free research essays on topics related to: conduct electricity, electrolytes, water molecules, positive and negative, ions -
World War Ii Public Transportation
1,550 wordsThe development of urban transportation has not changed with the cities; cities have changed with transportation. In the early years of transportation it was the mass transit of horse and buggies or electric rail cars that shaped cities. Then as the automobile became affordable to the public, personal transportation redefined the city as it was known. It is the automobile and the movement to the suburbs that has public transportation struggling to make money today. The very first transportation ...
Free research essays on topics related to: world war ii, federal aid, public transportation, ethnic groups, great depression -
Motor Vehicles Negative Effects
1,138 words... of pneumatic tires for trucks. 23 The automobile became a sign of status for young men and ladies in the 1920 s. The impact of the automobile on courtship and mating is an area that is frequently studied. The automobile produced a notion that men were almost expected to pick up a girl for a dance in a motor vehicle. The automobile was looked at a social essential for teenagers. 24 The automobile became a necessity for courtship in the mid 1920 s. Automobiles helped to replace the traditional...
Free research essays on topics related to: womens role, negative effects, motor vehicles, automobile industry, fast food -
Cruel And Unusual Punishment Lethal Injection
595 wordsFor many years the death penalty has been the sentence for murders, rapists, and other serial criminals. But, in recent months it has been an issue in whether the death penalty should or should not be legal. There are many people that think that capital punishment should be used and there are others that feel that it should not be used. Also there are some in the middle that think that it doesn't really matter because they feel that whatever happens will be right because it was brought up and de...
Free research essays on topics related to: death penalty, lethal injection, cruel and unusual punishment, capital punishment, electric chair -
Greenhouse Gas Emissions Million Metric Tons
1,026 wordsCurrent Efforts to Reduce Greenhouse Gas Emission / Global Warming Global warming is the issue of the day. According to the foreign researchers, the emissions by industrialized countries of the greenhouse gas related to the global warming shows a dangerous upward trend despite the efforts to reduce emission and to control global warming. According to the report, despite the overall level of emissions reduced 3. 3 % during 1990 - 2004, this reduction mostly occurred due to the 36. 8 % decline in ...
Free research essays on topics related to: million metric tons, renewable energy sources, u s government, greenhouse gas emissions, global warming -
Abolished The Death Penalty Corporal Punishment
422 wordsCapital Punishment, legal infliction of death as a penalty for violating criminal law. Throughout history people have been put to death for various forms of wrongdoing. Methods of execution have included such practices as crucifixion, stoning, drowning, burning at the stake, impaling, and beheading. Today capital punishment is typically accomplished by lethal gas or injection, electrocution, hanging, or shooting. Electric Chair Of the 38 U. S. states that currently allow capital punishment, 11 s...
Free research essays on topics related to: capital punishment, electric chair, abolished the death penalty, corporal punishment, criminal law -
Style Of Writing Jack Kerouac
1,947 wordsIn the beginning Jack Kerouac lived a wild and exciting life outside the realm of everyday " normal" American life. Though On the Road and The Dharma Bums were Kerouac's only commercial successes, he was a man who changed American literature and pop-culture. Kerouac virtually created a life-style devoted to life, art, literature, music, and poetry. When his movement grew out of his control, he came to despise it, and died lonely on the other side of what he once loved and cherished abo...
Free research essays on topics related to: writing quot, jack kerouac, style of writing, beat generation, kool aid -
Electro Magnetic Magnetic Fields
1,480 wordsTechnology and the individual: How Electro- Magnetic Fields Affect our lives Electricity is the building block of our society. Now more and more we are becoming dependent on electricity from computers to microwaves, electric power is what keeps our society running. Something that no one thinks about is Electro- Magnetic Fields or (ELF? s). While these ELF are being ignored slowly they are becoming a silent but deadly killer in our society. Scene cancer and illness are becoming so common people a...
Free research essays on topics related to: power plants, power lines, electro magnetic, power companies, magnetic fields -
Electro Magnetic Magnetic Fields
1,441 wordsElectricity is the building block of our society. Now more and more we are becoming dependent on electricity from computers to microwaves, electric power is what keeps our society running. Something that no one thinks about is Electro- Magnetic Fields or (ELF? s). While these ELF are being ignored slowly they are becoming a silent but deadly killer in our society. Scene cancer and illness are becoming so common people are slowly coming around about what ELF? s are and what if anything can be don...
Free research essays on topics related to: power plants, magnetic fields, electro magnetic, power lines, power companies -
Fission Of Uranium Radioactive Isotopes Gas
592 wordsI am the chemical element known as Krypton. I can also be referred as Kr. I will be telling you about my history, my properties, my family and my occurrence. I will also be telling you about my uses and ores, also the analytical methods based on me. I received the name krypton from the Greek word " hidden" because I was hiding for so long, undetected. I am from a rare group of gases called noble gases. The other noble gases are helium, xenon, neon, argon and radon. I was discovered in ...
Free research essays on topics related to: deg, stable, noble, nuclear reactors, gases -
Method Of Execution Methods Of Execution
804 wordsThere are different kinds of executions for those that are guilty of murder. In the United States the death penalty is authorized by hanging, electrocution, gas chamber, firing squad, or lethal injection. Most other nations use hanging, firing squad and stoning. These executions have been done to those that are on death row. Executions are costly; therefore, there are many guilty people on death row awaiting their execution. Hundreds of women and men are on death. They are all waiting for their ...
Free research essays on topics related to: lethal injection, firing squad, methods of execution, method of execution, electric chair -
Tropical Storm Wind Speeds
2,645 wordsKauia Hurricane Iniki Hurricane Iniki Kauia County, Hawaii consists of the islands of Kauia and Niihau. Kauia is a 555 -square-mile island with a population of about 57, 000 people. Lihue, the largest city on Kauia, is home to an estimated 12, 000 people. Kauia is one of the wettest spots on Earth with an annual rainfall averaging 400 inches. It has seven microclimate's including desert-like conditions on the west to tropical rain forests in the interior. Many species of endangered or threatened...
Free research essays on topics related to: wind speeds, square mile, tropical storm, mile island, sugar cane -
Air Force Base Nuclear Bombs
1,604 wordsMilitary aircraft has become more sophisticated in variety, effectiveness in war situations, and special maneuvering techniques in recent years. Military aircraft has become more sophisticated in variety, effectiveness in war situations, and special maneuvering techniques in recent years. With the advance of stealth technology, many new and very effective aircraft have been developed. The F- 117 A was used during Operation Dessert Storm and every plane came back without a scratch. The very expen...
Free research essays on topics related to: air force base, nuclear bombs, general electric, feet long, saves lives -
Light Bulb R 2
861 wordsABSTRACT Ohms Law and Kirchhoff's rules is fundamental for the understanding of dc circuit. This experiment proves and show how these rules can be applied to so simple dc circuits. INTRODUCTION In the theory of Ohms Law, voltage is simply proportional to current as illustrated in the proportionality, V = RI. As shown in this relation, V represent voltage which is the potential difference across the two ends of a electrical conductor and between which an electric current, I, will flow. The consta...
Free research essays on topics related to: fig 2, r 2, r 1, light bulb, fig 1 -
Valence Electrons Solar Cells
1,194 wordsSolar Energy Solar cells today are mostly made of silicon, one of the most common elements on Earth. The crystalline silicon solar cell was one of the first types to be developed and it is still the most common type in use today. They do not pollute the atmosphere and they leave behind no harmful waste products. Photovoltaic cells work effectively even in cloudy weather and unlike solar heaters, are more efficient at low temperatures. They do their job silently and there are no moving parts to w...
Free research essays on topics related to: electric field, energy levels, solar cells, solar energy, valence electrons -
Primary And Secondary Magnetic Field
1,373 wordsPES Physics Information Search A Tesla coil is a device that produces a high-frequency, high voltage current. When working at such high frequencies it can generate spectacular lightning-like discharges in to the air. The most popular use for the Tesla coils has been in the film industry, where they are used whenever lightning or electrical arcs are required. Scaled down versions of the tesla coil are also used in television sets. The Tesla coil was invented over 100 years ago. By Nikola Tesla. (...
Free research essays on topics related to: high voltage, magnetic field, l 2, primary and secondary, high frequency
Customer center
