Amorphous metal

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    Metal and architecture has evolved over centuries, with successive eras opening up new technical and elegant possibilities through the development of different types of metals. Metals are dense, lustrous materials that are highly conductive of heat and electricity. Some facts about metals are that they are generally ductile, meaning that they can be hammered thin or drawn into wires. Metals can also be liquified by heating and then resolidified by cooling. Presently metals are the strongest building

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    Teaghan Hignett March 15, 2015 Mr. Cho SCH3U Metal Reactivity Series Lab 2015 Question: What is the relative reactivity of aluminum, potassium, copper, iron and hydrogen? Introduction: This lab will introduce several key concepts surrounding metal reactivity as well as electronegativity and periodic trends on the periodic table. Electronegativity by definition is a measure of the tendency of an atom to attract a bonding pair of electrons. In a bond between atoms in a molecule, the atom that

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    The Ethics Of The Bridge

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    Ethics: The bridge we have created is ethical in the sense that it has a dependable purpose relative to its location, and its uses. By implementing a floating bridge, in a non-linear terrain in the city of Champong Chnnang it allows for effective, and efficient commute between two villages. This idea allows for the saving of time and money, by not implementing a less efficient method of transportation and trade between the two villages. THIS ISN’T GOOD ENOUGH, LET EDWARD ADD SHIT TO THIS TOO.

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    were not understood until early 2000s. They are made by doping with n-type and p-type which forces electrons to move throughout the material which normally would not happen because of a polymer molecular structure. They provide many advantages over metals because of they are light weight, cheap, and functional versatile. Conductive polymers are frequently used with rechargeable batteries, sensors, and light displays. Lastly, they have a bright future with the world turning towards wanting more technology

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    85 decibels or above can damage hearing. Some people also argue the noise from fireworks scares pets and wildlife like birds, etc. For the color effect of fireworks, toxic heavy metals like barium, aluminum, lead, mercury salts, antimony, copper, and strontium can be used in firework compositions. Outdated heavy metals that have been used in the past include rubidium and cadmium. Some toxic elements are supposedly not used in fireworks anymore like lead compounds, chlorates, and mercury as mercurous

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    application. Composites are used due to the extreme high strength to weight ratio, although using large amounts of metals can be strong, unlike composites this would be too heavy. Composites essentially are designed to create a lighter aircraft, which over a long period of time, would be more cost effective for company running the plane, due to fuel savings. Materials used in aircrafts, range from metal alloys such as

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    of which are innocuous. However, some trace constituents in water, including heavy metals such as copper, zinc, cadmium and lead, are more problematic. Water leaving a drinking water purification plant will ordinarily contain negligible levels of lead and other harmful metals. These metals enter the water during distribution, through the corrosion of service pipes and plumbing in a process called leaching. Metals such as lead can leach from pipes, old solder or fixtures. Although some corrosion

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    In Plato’s The Republic, Plato uses a central story, the myth of the three metals, to illustrate his ideas as a whole. The myth of the three metals is based off of the story that Mother Nature invented all human beings and created these human beings by utilizing different metals. The three metals utilized were gold, silver, iron or bronze. From these metals, each person was born into the role they would presume in society. Gold represents the guardians, who are governed by reason, making them

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    Density Measurement Lab

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    Procedure In this lab, there was six specimens including three metals,steel, aluminum, brass, and three polymers, PVC, Nylon and polyethylene. Each of these six specimens was going to be tested its hardness and conductivity and measured its density. Density Measurement There was two methods to measure the density of materials. First method was to calculate the volume of the specimens in mathematical way. First dividing the specimen into three parts as shown in Figure 1. Figure 1 Then using

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    Investigation: Developing an Activity Series for Metal Copper (II), Magnesium and Nickel Tong Wu Question: “What is the effect of solution type and metal type on metal reactivity as measured by whether a chemical reaction has taken place? ” Prediction: *Using metal magnesium as an example illustration I. (Magnesium reacts with lead (II) nitrate) Mg + Pb(NO3)2 Pb + Mg(NO3)2 II. (Magnesium reacts with zinc nitrate) Mg + Zn(NO3)2 Zn + Mg(NO3)2 III. (Magnesium reacts with

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