By: Nan C Avery
“Time and Tide Wait For No Man”. This ancient saying shows that a person has no control over nature. The nature of tides has gone on for millions of years.Donald Simenek, physicist at Lock Haven University, questions the accuracy of textbooks and most...
Chemical structure of seawater
By: Goeffry Allum
Contrary to popular belief, the chemical makeup of everyday seawater is much more complex than simple H2O (Water) and NaCl (Table salt). Dozens of other elements are found in varying amounts, dissolved within the sea water. These four elements are the most abundant elements in...
By: Blaise Pascal
Potable (drinkable) water and water in general is one of the most precious substances on the planet because every living thing needs it to survive. Not every area of the world has access to water or enough water to support the needs of a growing...
By: Gregory Downs
An aqueduct is a man-made water conduit used to channel water from the water's source to the water’s destination. The design of the aqueduct is based solely on the principle of gravity flow. Have you ever wondered how aqueducts work? An engineer who specializes...
A guide to ocean habitats
By: Will Acker
Being able to understand marine life means also understanding the places marine animals inhabit. The ocean contains ninety nine percent of living space in the world. There's been life in the ocean for 3.4 billion years, as where land inhabitants have only been here...
By: Nan C Avery
Anyone who goes to the beach observes waves. Some are big, and others are ripples working their way to shore.Waves come in all shapes and sizes. No two waves are alike, and yet they all share the same characteristics. The following breaks down the...
How Lake Superior was formed
By: Stacie Bradshaw
"Those who have never seen Superior get an inadequate idea by hearing it spoken of as a lake. Superior is a sea. It breeds storms and rain and fog like a sea. It is cold, masterful, and dreaded." Rev. George Grant, 1872 Despite this...
By: B. J. Deming
Our planet can be very violent at times. Its spasms are wonderful to watch from a safe distance and may leave behind areas of great scenic beauty, but they seldom make things easier for us. The Great Lakes of North America are an exception because...
By: Ryan Lewis
When King Canute, the medieval Danish King who ruled England, sat on his throne on the beach trying to halt the incoming tide it was clear that he didn’t really know his physics. He also must have felt like something of an idiot. The...
How undersea earthquakes cause tsunamis
By: Angie Lindsay
July 9, 1958 in Lituya Bay, Alaska, an earthquake caused what would be the biggest tsunami in history, with a wave reaching 1,720 feet tall. On May 22, 1960, an earthquake off the coast of Chile triggered a tsunami that killed 200 people. More...

 

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