News tagged with water waves

Soviet find of water on the Moon in the 1970s ignored by the West

(Phys.org) -- In August 1976 Luna 24 landed on the moon and returned to Earth with samples of rocks, which were found to contain water, but this finding was ignored by scientists in the West.

Space & Earth / Space Exploration

created Jun 01, 2012 | popularity 4.6 / 5 (42) | comments 50 | with audio podcast report

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

Scottish leader boasts of green energy potential

An independent Scotland would be able to get rich on renewable energy sector revenues, First Minister Alex Salmond insisted Wednesday.

Technology / Energy & Green Tech

created Feb 15, 2012 | popularity not rated yet | 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

Electrons in concert: A simple probe for collective motion in ultracold plasmas

(PhysOrg.com) -- Collective, or coordinated behavior is routine in liquids, where waves can occur as atoms act together. In a milliliter (mL) of liquid water, 1022 molecules bob around, colliding. When a bre ...

Physics / Plasma Physics

created Feb 06, 2012 | popularity 4.5 / 5 (8) | comments 0 | with audio podcast

MARSIS completes measurement campaign over Martian North Pole

(PhysOrg.com) -- The Mars Advanced Radar for Subsurface and Ionosphere Sounding (MARSIS) instrument on board Mars Express has recently completed a subsurface sounding campaign over the planet's North Pole. ...

Space & Earth / Space Exploration

created Dec 20, 2011 | popularity 2 / 5 (2) | comments 3

Tall water waves behave unexpectedly

(PhysOrg.com) -- In investigating the behavior of large-amplitude standing water waves, mathematician Jon Wilkening of the University of California, Berkeley, has discovered that the waves’ behavior cannot ...

Physics / General Physics

created Nov 15, 2011 | popularity 4.8 / 5 (18) | comments 2 | with audio podcast feature

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

Scientists discover new water waves

(PhysOrg.com) -- By precisely shaking a container of shallow water, researchers have observed wave behavior that has never been seen before. In a new study, Jean Rajchenbach, Alphonse Leroux, and Didier Clamond ...

Physics / General Physics

created Jul 19, 2011 | popularity 4.4 / 5 (20) | comments 26 | with audio podcast feature

Rogue wave recreated in laboratory tank

(PhysOrg.com) -- A team of researchers have used a mathematical equation to create a so called "rogue" wave; the giant kind that appear out of nowhere in the open ocean to topple ships and drown their crews. ...

Physics / General Physics

created May 24, 2011 | popularity 4 / 5 (9) | comments 6 | with audio podcast report

Water waves exhibit negative gravity near a periodic array of buoys

(PhysOrg.com) -- Ocean waves can be incredibly strong and very difficult to block completely. When a wave moving across the ocean interacts with a buoy, the wave can be slightly dampened, but will still pass ...

Physics / Condensed Matter

created May 09, 2011 | popularity 3.8 / 5 (21) | comments 17 | with audio podcast feature

Optimum use of wave energy using oscillating water column system

Engineers Modesto Amundarain and Mikel Alberdi have presented the first two PhD theses at the University of the Basque Country (UPV/EHU, Spain) on the use of oscillating water column (OWC) converters for extracting renewable ...

Technology / Engineering

created Mar 29, 2011 | popularity 2.3 / 5 (3) | comments 2

Dutch researchers simulate breaking waves

The SWAN (Simulating WAves Nearshore) wave prediction model developed at TU Delft has been a huge international success for many years. This model predicts the distribution of wave heights close to the shore. It was recently ...

Technology / Computer Sciences

created Feb 28, 2011 | popularity not rated yet | comments 0

Scientist: Fire in Israel is a typical example of climate change effects in Mediterranean

The fire disaster in the Carmel Mountains near Haifa is a typical example of climate change effect and a taste of the future, says Dr. Guy Pe'er, one of the authors of Israel's first report to the UN on climate ...

Space & Earth / Environment

created Dec 08, 2010 | popularity 2 / 5 (6) | comments 1

Powering Australia with waves

Wave energy is surging ahead as a viable source of renewable energy to generate electricity -- with Australia's southern margin identified by the World Energy Council as one of the world's most promising sites for wave-energy ...

Technology / Energy & Green Tech

created Aug 17, 2010 | popularity 4.4 / 5 (8) | comments 4 | with audio podcast