News tagged with surface wave

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 (39) | comments 40 | with audio podcast report

Novel holographic antenna designs and uses

Holographic antennas first studied around 40 years ago are again a hot topic given the potential of holographic images for a variety of applications. EU researchers developed novel prototype devices based ...

Technology / Engineering

created May 30, 2012 | popularity not rated yet | comments 0

Folding light: Wrinkles and twists boost power from solar panels

Taking their cue from the humble leaf, researchers have used microscopic folds on the surface of photovoltaic material to significantly increase the power output of flexible, low-cost solar cells.

Physics / Optics & Photonics

created Apr 27, 2012 | popularity 4.9 / 5 (15) | comments 8 | with audio podcast

Novel plasmonic material may merge photonic and electronic technologies

Helping bridge the gap between photonics and electronics, researchers from Purdue University have coaxed a thin film of titanium nitride into transporting plasmons, tiny electron excitations coupled to light ...

Physics / Optics & Photonics

created Mar 27, 2012 | popularity 3.9 / 5 (9) | comments 0 | with audio podcast

2001-2010 warmest decade on record: WMO

Climate change has accelerated in the past decade, the UN weather agency said Friday, releasing data showing that 2001 to 2010 was the warmest decade on record.

Space & Earth / Environment

created Mar 23, 2012 | popularity 3.9 / 5 (34) | comments 176

In Japan, seismic waves slower after rain, large earthquakes

An earthquake is first detected by the abrupt side-to-side jolt of a passing primary wave. Lagging only slightly behind are shear waves, which radiate out from the earthquake's epicenter and are seen at the surface as a rolling ...

Space & Earth / Earth Sciences

created Mar 05, 2012 | popularity not rated yet | comments 0

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

Flaky graphene makes reliable chemical sensors

Scientists from the University of Illinois at Urbana-Champaign and the company Dioxide Materials have demonstrated that randomly stacked graphene flakes can make an effective chemical sensor.

Nanotechnology / Nanomaterials

created Jan 17, 2012 | popularity not rated yet | comments 0

Nanometer-scale growth of cone cells tracked in living human eye

Humans see color thanks to cone cells, specialized light-sensing neurons located in the retina along the inner surface of the eyeball. The actual light-sensing section of these cells is called the outer segment, which is ...

Physics / Optics & Photonics

created Dec 20, 2011 | popularity 5 / 5 (2) | comments 15

Meteorite shockwaves trigger dust avalanches on Mars

(PhysOrg.com) -- Dust avalanches around impact craters on Mars appear to be the result of the shock wave preceding the actual impact, according to a study led by an undergraduate student at the UA.

Space & Earth / Space Exploration

created Dec 16, 2011 | popularity 5 / 5 (5) | comments 14 | with audio podcast

Astronomers reveal a rapidly spinning core inside old stars

(PhysOrg.com) -- Scientists have made a new discovery about how old stars called 'red giants' rotate, giving an insight into what our sun will look like in five billion years.

Space & Earth / Astronomy

created Dec 08, 2011 | popularity 5 / 5 (1) | comments 17 | with audio podcast

'Flying carpet': Princeton team's plastic sheet can hover above ground (w/ video)

(PhysOrg.com) -- A thin sheet of plastic has been making headlines at Princeton as a magical flying carpet, after the publication of a paper describing experiments by the team with their prototype sheet of ...

Physics / General Physics

created Oct 01, 2011 | popularity 4.4 / 5 (12) | comments 8 | with audio podcast weblog

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

World’s first 3D plasmon ruler: Taking the 3-D measure of macromolecules

(PhysOrg.com) -- The world's first three-dimensional plasmon rulers, capable of measuring nanometer-scale spatial changes in macrmolecular systems, have been developed by researchers with the U.S. Department ...

Nanotechnology / Nanophysics

created Jun 16, 2011 | popularity 5 / 5 (3) | comments 0 | with audio podcast

Researchers use electron beams for chemical reactions

Electron microscopes use focussed electron beams to make extremely small objects visible. By combining the instrument with a gas-injection system material samples can be manipulated and surface structures ...

Nanotechnology / Nanophysics

created Apr 13, 2011 | popularity 4.5 / 5 (4) | comments 0