Concrete Rot or Concrete Cancer

If you want a lifetime job, it could be painting the Sydney Harbour Bridge – once you finish you probably have to start at the other end again. The painting continues in order to stop the steel from corroding, and steel corrosion is what causes concrete rot, otherwise called concrete cancer or spalling. How does…

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Purification of Solids by Recrystallization

Recrystallizations are commonly performed in organic chemistry experiments to purify solids based on their solubility. Solid crystals are dissolved in a solvent. When the solution is cooled, crystals of pure product form and the impurities remain dissolved in the solvent. Multiple recrystallizations may be performed to obtain a purer product: Steps to Recrystallization: 1. Choose…

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An Overview of Architecture and Arts in Kyiv

Also known as Kiev, Kyiv is the capital city of Ukraine. It is located on the Dnieper River and has a population of almost 3 million people. This is an important city as an educational, industrial, cultural and scientific center in Eastern Europe. With an extensive transport system, historic landmarks and high tech industries, the…

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Benefits of Using Marble Stone in Construction

Marble stone is a metamorphic rock which varies widely in hardness, veining, and color. It is very rare to find two pieces of marble alike. Marbles vary from location to location. Hence, this stone is exported in large quantity to meet the requirement. This natural stone industry is growing very fast, thereby providing us with…

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Importance of Character Building

“Good character is when your head, heart, soul and hands agree to do the right thing, in the right way, for the right reasons and the combined effort gets the right results in the midst of the most adverse of conditions” – William Cottringer. Character building has emerged as a hot topic in schools. Now…

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Organic Gardening and Top 5 Soils

Soil remains to be one of the most important aspects of growing your very own organic garden. Its basic structure provides the nourishment necessary for your plants to thrive. Usually, soil consists of clay, sand, silt, limestone, and peat. Here’s an introduction to the benefits and negatives of each soil type. Silt Silt is a…

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Land Mapping Through Aerial Surveying

Before GPS technology, land mapping was done by personally collecting data of an area that needed mapping. It takes a lot of time for cartographers to complete maps. The advancement in technology has had a great impact on aerial surveying which makes map making easier and time-effective. In-flight surveys make use of a GPS or…

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