Thursday, November 28, 2019
Sunday, November 24, 2019
10 Interesting Facts About Gold
10 Interesting Facts About Gold There are many interesting facts about the element gold, which is listed on the periodic table as Au. This is the only truly yellow metal on Earth, and theres a lot more to learn about gold. Gold Facts Gold is the only metal that is yellow or golden. Other metals may develop a yellowish color, but only after they have oxidized or reacted with other chemicals.Nearly all of the gold on Earth came from meteorites that bombarded the planet over 200 million years after it formed.The element symbol for gold is Au. The symbol comes from the old Latin name for gold, aurum, which means shining dawn or glow of sunrise. The word gold comes from the Germanic languages, originating from the Proto-Germanic gulĂ ¾ and Proto-Indo-European ghel, meaning yellow/green. The pure element has been known since ancient times.Gold is extremely ductile. A single ounce of gold (about 28 grams) can be stretched into a gold thread 5 miles (8 kilometers) long. Gold threads can even be used as embroidery thread.Malleability is a measure of how easily a material can be hammered into thin sheets. Gold is the most malleable element. A single ounce of gold can be beaten out into a sheet that is 300 square feet. A s heet of gold can be made thin enough to be transparent. Very thin sheets of gold may appear greenish blue because gold strongly reflects red and yellow. Although gold is a heavy, dense metal, it is generally considered non-toxic. Gold metal flakes may be eaten in foods or drinks.Pure elemental gold is 24 karat, while 18 karat gold is 75 percent pure gold, 14 karat gold is 58.5 percent pure gold, and 10 karat gold is 41.7 percent pure gold. The remaining portion of the metal usually used in gold jewelry and items is silver, but items may also consist of other metals or a combination of metals, such as platinum, copper, palladium, zinc, nickel, iron, and cadmium.Gold is a noble metal. It is relatively unreactive and resists degradation by air, moisture, or acidic conditions. While acids dissolve most metals, a special mixture of acids called aqua regia is used to dissolve gold.Gold has many uses aside from its monetary and symbolic value. Among other applications, it is used in electronics, electrical wiring, dentistry, electronics, medicine, radiation shielding, and to color glass.High purity metallic gold is odorless and tasteless. T his makes sense since the metal is unreactive. Metal ions are what confers flavor and odor to metallic elements and compounds.
Thursday, November 21, 2019
E-Commerce Business Proposal Introduction (draft) with detailed Essay
E-Commerce Business Proposal Introduction (draft) with detailed outline - Essay Example The business will be designing making and selling various handmade products. However to cut a niche for itself in the already crowded market of selling handmade products, This proposed business will have an online platform that allows the clients to be involved in designing the products they want. The clients will be able to do this by either uploading a picture or sketch of the proposed item that they want to be designed and made for them. They will also be able to contribute in the designing of these products by providing a brief description of whatever they want so that the team of designers can be able to capture their needs well. The involvement of the customers in the design of these handmade products will ensure that the needs of the customers are fully met. Involving the customers in the design process will ensure that the venture not only sells what it wants but also sells what the customers want. This will therefore give the business a competitive advantage over other seller of handmade crafts who basically sells what they have and do not sell what the customer wants. The business will make money from selling of the crafts to the clients. Involving clients in the design process will also be a way of getting various design ideas from the clients. Payment will be either through credit cards or online money transfer channels such as PayPal. Cash payments will also be accepted when the crafts are delivered to the customers This craft selling business will be internet based. It will require an interactive website that is built by a professional website developer. The customers will be able to view the product or crafts that are available for sale from the website. In addition to this, the website will allow the customers to contribute in the design of the crafts they want. The client will first choose the product he or she wants and describe how it should look like. The customer can draw sketch of the proposed design and post it through the
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