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News tagged with ocean wave

Old maps and dead clams help solve coastal boulder mystery

Perched atop the sheer coastal cliffs of Ireland's Aran Islands, ridges of giant boulders have puzzled geologists for years. What forces could have torn these rocks from the cliff edges high above sea level ...

Space & Earth / Earth Sciences

created Apr 30, 2012 | popularity 5 / 5 (2) | comments 2

Mechanical motion rectifier leads to better energy harvesting

(Phys.org) -- Mechanical energy is all around us, whether in the form of a vehicle's vibrations, ocean waves, or vibrating train tracks. However, much of this energy is irregular and oscillatory - for example, road bumps ...

Technology / Engineering

created Apr 25, 2012 | popularity 4.9 / 5 (9) | comments 26 | with audio podcast report

Geophysicists employ novel method to identify sources of global sea level rise

As the Earth's climate warms, a melting ice sheet produces a distinct and highly non-uniform pattern of sea-level change, with sea level falling close to the melting ice sheet and rising progressively farther away. The pattern ...

Space & Earth / Earth Sciences

created Apr 24, 2012 | popularity 4.1 / 5 (8) | comments 54 | with audio podcast

Feds: 'Meterological March madness' mostly random

(AP) -- Freak chance was mostly to blame for the record warm March weather that gripped two-thirds of the country, with man-made global warming providing only a tiny assist, a quick federal analysis shows.

Space & Earth / Environment

created Apr 02, 2012 | popularity 4 / 5 (4) | comments 1

New understanding of Earth's lithosphere-asthenosphere boundary beneath the Pacific Ocean

Scientists have long speculated about why there is a large change in the strength of rocks that lie at the boundary between two layers immediately under Earth's crust: the lithosphere and underlying asthenosphere. ...

Space & Earth / Earth Sciences

created Mar 22, 2012 | popularity 4.3 / 5 (4) | comments 0 | with audio podcast

Weird weather: heat, twisters, 250K tons of snow

(AP) -- America's weather is stuck on extreme.

Space & Earth / Environment

created Mar 16, 2012 | popularity 4.6 / 5 (9) | comments 52

A new direction for game controllers: Prototypes tug at thumb tips to enhance video gaming

University of Utah engineers designed a new kind of video game controller that not only vibrates like existing devices, but pulls and stretches the thumb tips in different directions to simulate the tug of ...

Technology / Engineering

created Mar 05, 2012 | popularity 2.4 / 5 (5) | comments 1 | with audio podcast

Capsizing icebergs release earthquake-sized energies

A large iceberg can carry a large amount of gravitational potential energy. While all icebergs float with the bulk of their mass submerged beneath the water's surface, some drift around with precarious orientations-they are ...

Space & Earth / Earth Sciences

created Mar 02, 2012 | popularity 4.8 / 5 (4) | comments 0

Boost for wave energy: half the Wave Hub berths now filled

Two of the four berths at an EU-funded grid-connected offshore marine-energy test site have now been filled. Wave Hub, located off the Cornish coast in the United Kingdom, is the largest test site of its type in the world. ...

Technology / Energy & Green Tech

created Feb 15, 2012 | popularity 5 / 5 (2) | comments 0

Billion-dollar weather disasters smash US record

(AP) -- America's wild weather year has set another record: a dozen billion-dollar catastrophes.

Space & Earth / Environment

created Dec 07, 2011 | popularity 4.5 / 5 (8) | comments 37

Robotic boats to travel across Pacific Ocean

(PhysOrg.com) -- Last Thursday, November 17, four unmanned Wave Gliders left the coast of San Francisco and began a 300-day journey across the Pacific Ocean. The vehicles, which are self-propelled and remotely ...

Electronics / Robotics

created Nov 21, 2011 | popularity 4.7 / 5 (10) | comments 3 | with audio podcast weblog

Rethinking equilibrium: In nature, large energy fluctuations may rile even 'relaxed' systems

An international research team led by the University at Buffalo has shown that large energy fluctuations can rile even a "relaxed" system, raising questions about how energy might travel through structures ranging from the ...

Physics / General Physics

created Oct 31, 2011 | popularity 4.8 / 5 (5) | comments 3 | with audio podcast

Multibeam sonar can map undersea gas seeps

A technology commonly used to map the bottom of the deep ocean can also detect gas seeps in the water column with remarkably high fidelity, according to scientists from the University of New Hampshire and ...

Space & Earth / Earth Sciences

created Oct 06, 2011 | popularity 5 / 5 (1) | comments 0

Gravitational waves that are 'sounds of the universe'

Einstein wrote about them, and we're still looking for them -- gravitational waves, which are small ripples in the fabric of space-time, that many consider to be the sounds of our universe.

Space & Earth / Astronomy

created Oct 03, 2011 | popularity 5 / 5 (2) | comments 0

Today's plants far safer than Fukushima: US expert

Today's nuclear reactors are "much safer" than the Japanese plant damaged in this year's earthquake and tsunami, a US expert said Thursday, citing dramatic improvements that could prevent similar disasters.

Technology / Energy & Green Tech

created Sep 15, 2011 | popularity 2.3 / 5 (3) | comments 16