Wave

Giant Waves Pose New Risk for Ships in Ice-Diminished Arctic

Publication: NBC News   Date: August 11, 2014   View Article

Monster waves should be added to the list of hazards faced by ship captains as they plot a course through the waters of the Arctic Ocean, according to a new study that reports observations of house-sized swells in seas that until recently were covered in ice year-round.

“Waves always pose a risk to working at sea,” study author Jim Thomson, an oceanographer at the University of Washington in Seattle, said via email to NBC News from off the coast of northern Alaska. “The unique thing about the Arctic is that it is changing so rapidly that we cannot apply past measurements to understand future risk.”

Pummeled kite surfer dreams up new way to harvest wave energy

Publication: NBC News   Date: October 11, 2013   View Article

Samuel Etherington first hit the waves with a board and kite in hand, the waves hit back with a bruising vengeance. But in learning to harness their power for his kitesurfing adrenaline rush, he found inspiration to design a next-generation wave energy harvester. The contraption scored him a coveted finalist spot in an engineering design competition and could serve as a viable alternative source of energy to boot.

“The waves would just roll and smash over you and then you would tumble and try to get back up on the board and try again and try again,” the mechanical design student at Brunel University near London told NBC News about his early days kitesurfing. “That then really physically hit home. There is a lot of power to be had here.”

G’day, mate! Ocean-crossing robot reaches Australia

Publication: NBC News   Date: December 5, 2012   View Article

A robotic wave glider recently pulled into an Australian bay, marking the end of a record-setting 9,000-nautical-mile journey in the name of science and technology.

The Papa Mau robot is one of four wave gliders launched from San Francisco on Nov. 17, 2011. En route, it weathered gale-force winds, fended off sharks and gathered an unprecedented amount of data on weather and ocean conditions that is now available online for anyone to use.

IBM sees energy, money in motion of the ocean

Publication: msnbc.com   Date: October 31, 2011   View Article

The computer giant IBM sees a profitable future in high-tech analytical tools that could expedite and enhance the rollout of machines to turn the motion of the ocean into electricity.

Such machines, called wave energy converters, are under development around the world as a means to tap what appears to be a clean, green source of renewable energy — wave power.

© 2008-2010 Collected Writings By John Roach