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Huge waves from one storm slam coasts some 6000 km apart
05-30-2007 · European Space Agency (ESA)Huge waves that struck Reunion Island and coastlines across Indonesia earlier this month all originated from the same storm that occurred south of Cape Town, South Africa, and were tracked across the entire Indian Ocean for some 10 000 kilometres over a nine-day period by ESA's Envisat satellite.
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- Huge waves from 1 storm slam coasts some 6000 km apart
05-30-2007 · EurekAlert!
Huge waves that struck Reunion Island and coastlines across Indonesia earlier this month all originated from the same storm that occurred south of Cape Town, South Africa, and were tracked across the entire Indian Ocean for some 10,000 kilometers over a nine-day period by ESA's Envisat satellite.
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- Catching the wave -- Researchers measure very short laser pulses
12-03-2006 · EurekAlert!
Scientists have perfected a technique for very accurately measuring and controlling the electromagnetic waves within some of the shortest laser pulses ever made, says new research published today. Being able to fully understand and control these laser pulses represents an important step towards using them to track and manipulate electrons in leading-edge research at the sub-atomic level.
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- Researchers learn from analyses of rare tsunami earthquake
12-06-2006 · EurekAlert!
Analyses of a classic, slow-rupturing tsunami earthquake whose massive waves devastated the coast of Java, Indonesia, this past summer are providing insight to seismologists and engineers, who want to better understand these rare events, recommend strategies to improve safety and perhaps provide long-range forecasts of potential danger zones worldwide.
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- Significant new method developed for characterizing density wave features
07-09-2007 · EurekAlert!
In a paper published in the Astronomical Journal, Dr. Xiaolei Zhang, of the Naval Research Laboratory, and Dr. Ronald J. Buta, of the University of Alabama, report that they have developed an accurate and widely-applicable method for characterizing density wave features in galaxies. These density waves appear as high-density regions in galaxies in the forms of spirals, bars and rings.
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- Graduate students study links between African and US weather systems
12-08-2006 · EurekAlert!
When their DC-8 flew into a tropical storm off the coast of West Africa, Aaron Pratt and Tamara Battle realized their lifelong dream -- to study storms and weather systems at their source. During that flight, lightning struck their plane. The resulting storm turned into a tropical depression and ultimately became known as Hurricane Helene, one of the strongest Atlantic hurricanes in 2006.
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- Screaming CMEs Warn of Radiation Storms
05-28-2007 · EurekAlert!
Some CMEs also bring intense radiation storms that can disable satellites or cause cancer in unprotected astronauts. As the CME blasts through space, it plows into a slower stream of plasma blown constantly from the sun in all directions, called the solar wind. The CME causes a shock wave in the solar wind. If the shock is strong enough, it accelerates electrically charged particles that make up the solar wind to high speeds, forming the radiation storm.
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- Safer shipping by predicting sand wave behavior
07-12-2007 · EurekAlert!
Dutch researcher Joris van den Berg has developed a mathematical model to predict the movement of sand waves. Sand waves are formed by an interaction between the tidal current and sand. They are larger than sand ripples on the beach but smaller than sandbanks. Sand waves largely determine the shape of the sea floor in the southern part of the North Sea. A good predictive computer model would be a valuable tool for shipping and designers of offshore infrastructures.
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- Huge waves that hit Reunion Island tracked from space
05-16-2007 · European Space Agency (ESA)
The origin and movement of waves reaching up to 11 metres that devastated France's Reunion Island in the Indian Ocean on Saturday evening have been detected with ESA's Envisat satellite.
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- On a wire or in a fiber, a wave is a wave
07-13-2007 · EurekAlert!
Around the world, students learn about the wave nature of light through the interference patterns of "Young's double-slit experiment," first performed over 200 years ago and still considered among the most beautiful physics experiments. Using an analogous experiment, researchers at Brown and Stanford have shown that a simple analytical model can describe the wave nature of surface plasmon polaritons. Their work suggests that plasmonic devices cannot easily circumvent the limitations of electromagnetic waves.
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- Study: Living coral reefs provide better protection from tsunami waves
12-18-2006 · EurekAlert!
Healthy coral reefs provide their adjacent coasts with substantially more protection from destructive tsunami waves than do unhealthy or dead reefs, a Princeton University study suggests. Initially spurred by the tsunami that devastated the coastlines of the Indian Ocean two years ago, the finding provides the first quantitative confirmation of a widely held theory regarding the value of living coral reefs as a defense against tsunami.
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