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I went online and found out a lot of information about boiling water. If you cover the tin and allow the water and air to cool down, the air will cool and contract, lowering the pressure in the tin. If it lowers enough, the partial vacuum will collapse the walls of the can! The boiling point definitely reduces with air pressure. There is a f...
Alternate Energy Resources As most people know our energy supply is slowly running out. We are using energy sources that either pollute the air, take up natural resources or cause damage to other forms of life. Today, we are working on other forms of energy that do not pollute or cause harm to the environment. Here are some: Magnet...
In the 1920?s there was a movement, called the melting pot, to solve the social problems of the time with the use of technology. is the use of science to solve social problems. A major leader in eugenics at the turn of the century was a man named Davenport. Kallikak studied eugenics too. He used case studies of individuals to...
Down syndrome is one of the most frequently occurring birth defects in the world. It is a chromosomal abnormality which results in 47 chromosomes, instead of 46, with an extra chromosome being 21. Because the majority of Down syndrome cases affect the twenty-first chromosome, it is commonly called "trisomy 21." Down syndrome is u...
Three Toronto scientists have developed an organ transplant procedure that could, among its many benefits, reverse diabetes. The procedure was developed by Bernard Leibel, Julio Martin and Walter Zingg at the University of Toronto and the Hospital for Sick Children. The story of their work began in 1978, when they delved into...
INTRODUCTION DigiFile has been serving the Houston community since 1992. Originally a litigation support company, they evolved into a total solution service organization for electronic document management. They offer conversion services, both at their production facility and on-site, as well as open architecture data management solutions...
A LOOK AT ANEMIA RELATED TO NUTRITIONAL ISSUES TABLE OF CONTENTS INTRODUCTION.........................................................................................1 REVIEW OF LITERATURE......................................................................... METHODOLOGY..............................................................
The future of radio and the future of the Internet are irrevocably intertwined. Recently, radio has begun to be broadcast over the Internet, and Internet content has begun to be broadcast over the airwaves. For this exchange of positions to occur, there needs to be a change in transmission of sound from the standard analogue of radio, to the...
All of us suffer from an occasional headache; in fact, 20 million Americans see their doctors each year because of headaches. Headaches are also the leading cause for missing school and work in this country. There are many different types of headaches ranging from just ordinary pain, to pain associated with a disorder or serious medical c...
Ernest was born in Nelson, New Zealand. demonstrated his abilities as a scientist early on while working on his B.Sc. at the University of New Zealand in 1894. He showed that the magnetization can be removed from a magnetized iron needle by dissolving the surface layer of the metal in acid. He began work at Cambridge in 1895 and wa...
Acid rain: scourge from the skies Acid Rain: Scourge from the Skies 'North Americans have been smelting ore and burning fossil fuels for generations. In the past, the gases went up ordinary chimneys or small smoke stacks, to descend upon near by areas and pollute them,' states author, Robert Collins. Almost everyone knows what acid rain is...
[WR122 paper, using Jefferson?s ?Declaration of Independence? as a model]-RJ The Declaration of Language When, in the course of human language, it becomes necessary for people to create or redefine, words or phrases to express an object or an action; and to assume, among society, the acceptance and usage of these words and...
. the environment The environment can be something as vast as global weather patterns or as simple as the desert regions. With the advent of many technologies, the delicate balance of the environment has been upset (Elliot, 1961, p. 392). Strip mining, slash and burn farming, damming of rivers, and the extinction of many species of plants and...
REG MITCHELL's defence of ``Frankenfoods'' -- genetically engineered (GE)farm products -- in his Oct. 9 article ``So-called Frankenfoods have no more pathogens than are found in nature'' is a repetition of the mantra we hear daily from the global corporations that dominate agricultural biotechnology. His principal point seems to be that si...
