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The Iowa Rural Water Association (IRWA) is hosting its 42nd annual conference. The event is considered the largest water and wastewater conference held in Iowa! DN Tanks prestressed concrete tanks are constructed utilizing specialized methods and exacting...

This is the second of three articles about 9-11. This is another of these discussed in the latest “Dynamic Duo” video by Kevin Barrett. Personally, I’d never considered this possibility for the Twin Towers demoltion, but I could see...

Uzbekistan is one of the world’s largest producers of fossil fuels and one of the least energy and carbon efficient countries in the world (Uzbekistan is currently ranked #2 in the world in terms of energy intensity of its economy (0.86 ton of oil equivalent...

A ‘Stirling Engine’ is in the family of heat engines. It is a closed cycle regenerative hot air (or other permanent gas) engine.. Closed cycle means that there is a fixed volume of the ‘working fluid’ in the system. There is no intake, there is no exhaust...

In recent years, demand of Energy to make comfortable Environment for humans has increasing worldwide. Over use of Non-Renewable Energy for heating and cooling increases the level of greenhouse gas and decreases fossil fuel sources. Energy storage becomes...