People most often associate cooling towers with nuclear power plants, although they are also used to some extent in large chemical plants and other industrial plants. What are cooling towers? Cooling towers are heat removal devices used to transfer process waste heat to the atmosphere. Without cooling towers, people who work in the energy field would be at risk of suffering serious injury from burns.
The first hyperboloid cooling towers were built in the Netherlands in 1918. By the turn of the century 18 years before, there were many evaporative methods of recycling cooled water in use in areas without suitable water supplies. Today, dry cooling towers exist, and they operate by heat transfer through a surface that separates the wo Continue reading
Did you know that roughly a third of dog owners display a framed picture of their dog in their home? Nine out of every ten pet owners agree that a pet is part of their family. People name their pets, spend lots of money on them and generally treat them as well as, if not better than their fellow humans. There are even dog day care centers in the United States to watch your dog while you are busy.
Dogs can smell around 1,000 times better than humans, as while humans have 5 million smell detecting cells, dogs have over 220 million. A study published in the American Naturalist in 2010 found that the differences between dog breeds’ skulls are as pronounced as the differences between completely separate mammal species.
The best dog to attract a date is the Golden Retriever, while the worst is a Pit Bull Continue reading