Waves Current Events | Page 2

Waves Current Events, Waves News Articles.
Sort By: Most Viewed | Most Recent
Page 2 of 25 | 1000 Results
University of Toronto study charts new realm of physics
By constructing artificial materials that break long-standing rules of nature, a University of Toronto researcher has developed a flat lens that could significantly enhance the resolution of imaged objects. This, in turn, could lead to smaller and more effective antennas and devices for cell phones, increased space for data storage on CD-ROMs and more complex electronic circuits. (2003-03-19)

Physicists uncover the topological origin of surface electromagnetic waves
In work that provides insights for several areas of wave physics -- Maxwell electromagnetism, topological quantum states, and plasmonics/metamaterials -- scientists showed that the well-known surface electromagnetic waves at interfaces between homogeneous isotropic media, obtained within classical Maxwell's electromagnetism, also have a purely topological origin, similar to quantum topological states. (2019-02-04)

URI geologist develops improved seismic model for monitoring nuclear explosions in Middle East
Geologists have taken an important step toward helping the United States government monitor nuclear explosions by improving a 3-dimensional model to make it more accurate at detecting the location, source and depth of seismic activity. (2010-12-16)

Montana State University joins search for gravitational waves
Montana State University scientists who search for black holes and super novas are now part of an international group devoted to gravitational waves. The waves, when detected, will offer a new way to explore and understand the universe. (2007-04-19)

ESA's 'shipping forecast' - from Titan!
ESA could be releasing its own marine weather report next January - but not for any Earthly ocean. Thanks to the NASA/ESA Cassini/Huygens mission, the first data about an extraterrestrial ocean may finally be received, ending 25 years of scientific speculation. (2004-04-02)

Gravity: A faster method for gauging the size of great quakes
Immediately following Japan's 2011 Tohoku earthquake, while seismic waves still traveled to seismic stations to offer insight into the event's magnitude, seismographs recorded a gravity change reflective of this value, researchers report. (2017-11-30)

Trapping T-rays for better security scanners
Medical diagnostic and security scanners with higher sensitivity could result from University of Adelaide research into detecting T-rays (terahertz waves). (2013-07-10)

Tides, Earth's rotation among sources of giant underwater waves
Scientists are gaining new insight into the mechanisms that generate huge, steep underwater waves that occur between layers of warm and cold water in coastal regions of the world's oceans. (2010-02-24)

Taming tiny, unruly waves for nano optics
Nanoscale devices present a unique challenge to any optical technology -- there's just not enough room for light to travel in a straight line. As light waves are pressed through surfaces only a few nanometers apart (smaller than their wavelength), they become unstable and difficult to predict. But Georgia Tech researchers have discovered a method of predicting the behavior of light on the nanoscale during radiation heat transfer, opening the door to the design of a spectrum of new nanodevices and technologies. (2007-10-08)

'Invisibility' cloak could protect buildings from earthquakes
University of Manchester mathematicians have developed the theory for a Harry Potter style 'cloaking' device which could protect buildings from earthquakes. (2012-02-14)

Neurons in the brain tune into different frequencies for different spatial memory tasks
Your brain transmits information about your current location and memories of past locations over the same neural pathways using different frequencies of a rhythmic electrical activity called gamma waves, report neuroscientists at The University of Texas at Austin. The research, published in the journal Neuron on April 17, may provide insight into the cognitive and memory disruptions seen in diseases such as schizophrenia and Alzheimer's, in which gamma waves are disturbed. (2014-04-17)

Researchers ride new sound wave to health discovery
Acoustics experts have created a new class of sound wave -- the first in more than half a century -- in a breakthrough they hope could lead to a revolution in stem cell therapy. (2016-01-07)

Engineered metasurfaces reflect waves in unusual directions
Researchers at Aalto University have developed new metasurfaces for the arbitrary manipulation of reflected waves, essentially breaking classical reflection law to engineer it at will. (2019-02-16)

Scientists can see the bias in your brain
The strength of alpha brain waves reveals if you are about to make a biased decision, according to research recently published in JNeurosci. (2020-03-16)

Sun's corona is both hot and kinky
Astrophysicists are having a heated debate over the wave structure of the Sun's corona -- a debate which may one day influence solar weather forecasting and the theory behind fusion reactors. (2008-03-06)

Injured muscles 'shocked' back to health
A recent study in rats suggests that acoustic shock waves could speed up a muscle's healing process. This technique could help injured athletes to return to training and be able to compete more quickly than just with traditional methods. (2016-07-06)

Droplet explosion by shock waves, relevant to nuclear medicine
In a study published in EPJ D, Eugene Surdutovich from Oakland University, Rochester, Michigan, USA and colleagues have examined the possibility of observing the multi-fragmentation of small droplets due to shock waves initiated by ions that passed through them. The discovery of ion-induced shock waves will significantly affect our understanding of how radiation damage occurs in biomolecules due to ions. (2017-11-22)

How do they spread?
Propagation of earthquake waves within the Earth is not uniform. Experiments indicate that the velocity of shear waves in Earth's lower mantle between 660 and 2900 km depth is strongly dependent on the orientation of ferropericlase. (2009-04-10)

Unique wave tank helps scientists understand threat of rogue ocean waves
A team of scientists from Australia, Belgium, Italy and the UK have demonstrated how ocean winds can generate spontaneous rogue waves, the first step to predicting the potentially dangerous phenomena. (2017-04-07)

NASA listens in as electrons whistle while they work
NASA's Van Allen Probes have observed a new population of space sound waves, called plasmaspheric hiss, which are important in removing high-energy particles from around Earth that can damage satellites. (2017-07-17)

Evidence for a new fundamental constant of the sun
New research undertaken at Northumbria University, Newcastle, shows that the sun's magnetic waves behave differently than currently believed. Their findings have been reported in the latest edition of the prominent journal, Nature Astronomy. (2019-02-07)

Authentic brain waves improve driver security
One-time entry authentication methods are suitable for to a protected building or a private web page. But, a continuous biometric system is needed for authenticating drivers of vehicles carrying valuable commodities and money, and even public transport vehicles and taxis. Now, such a system based on scanning the driver's brain waves described in a forthcoming issue of the International Journal of Biometrics could make hijacks of such vehicles a thing of the past. (2013-09-05)

Knots in chaotic waves
New research, using computer models of wave chaos, has shown that three-dimensional tangled vortex filaments can in fact be knotted in many highly complex ways. (2016-07-29)

Gravity waves influence weather and climate
Gravity waves form in the atmosphere as a result of destabilizing processes. The effects of gravity waves can only be taken into consideration by including additional special components in the models. The 'MS-GWaves' research unit funded by the German Research Foundation and led by Goethe University Frankfurt has further developed such parameterizations and will test them in the second funding period. (2017-09-20)

Imaging of Alfvén waves and fast ions in a fusion plasma
New techniques give scientists detailed images of processes critical for the development of fusion reactors. (2010-11-08)

Seismic signature of small underground chemical blasts linked to gas released in explosion
After analyzing the seismic waves produced by small underground chemical explosions at a test site in Vermont, scientists say that some features of seismic waves could be affected by the amount of gas produced in the explosion. (2015-09-14)

Million fold increase in the power of waves near Jupiter's moon Ganymede
Chorus waves are electromagnetic waves. Converted to sound they sound like singing and chirping birds at dawn. They can cause polar lights above the Earth as well as damage to satellites. Now, a team of researchers led by Yuri Shprits of GFZ German Research Centre for Geosciences found that such waves are intensified millionfold around Jupiter's moon Ganymede. This study provides important observational constraints for theoretical studies. (2018-08-07)

The quantum spin Hall effect is a fundamental property of light
Scientists from the RIKEN Center for Emergent Matter Science in Japan have demonstrated that the quantum spin Hall effect -- an effect known to take place in solid state physics -- is also an intrinsic property of light. (2015-06-25)

Storm wave study could help improve design of coastal defenses
Coastal defenses could be designed to better withstand powerful storms triggered by climate change, a study of wave dynamics suggests. (2016-10-14)

NASA mission surfs through waves in space to understand space weather
NASA's Van Allen Probes have observed a new population of space sound waves, called plasmaspheric hiss, which are important in removing high-energy particles from around Earth that can damage satellites. (2017-07-24)

Scientists 'bend' elastic waves with new metamaterials that could have commercial applications
Sound waves passing through the air, objects that break a body of water and cause ripples, or shockwaves from earthquakes all are considered 'elastic' waves. These waves travel at the surface or through a material without causing any permanent changes to the substance's makeup. Now, engineering researchers at the University of Missouri have developed a material that has the ability to control these waves, creating possible medical, military and commercial applications with the potential to greatly benefit society. (2015-01-22)

Identifying individual atmospheric equatorial waves from a total flow field
A new study presents a method for identifying individual equatorial waves in wind and geopotential height fields using horizontal wave structures derived from classical equatorial wave theory. (2017-08-18)

Black holes: Scientists 'excited' by observations suggesting formation scenarios
Physicists have described how observations of gravitational waves limit the possible explanations for the formation of black holes outside of our galaxy; either they are spinning more slowly than black holes in our own galaxy or they spin rapidly but are 'tumbled around' with spins randomly oriented to their orbit. (2017-08-23)

When it comes to antennas, size matters
In a paper published online in Nature Communications, Nian Sun, professor of electrical and computer engineering at Northeastern, and his colleagues describe a new approach to designing antennas. The discovery enables researchers to construct antennas that are up to a thousand times smaller than currently available antennas, Sun said. (2017-08-29)

Gravitational waves leave a detectable mark, physicists say
New research shows that gravitational waves leave behind plenty of 'memories' that could help detect them even after they've passed. (2019-05-09)

A new way to trap light
MIT researchers discover a new phenomenon that could lead to new types of lasers and sensors. (2013-07-10)

Researchers learn how to steer the heart -- with light
We depend on electrical waves to regulate the rhythm of our heartbeat. When those signals go awry, the result is a potentially fatal arrhythmia. Now, a team of researchers from Oxford and Stony Brook universities has found a way to precisely control these waves -- using light. (2015-10-19)

Physicists create water tractor beam
Physicists at The Australian National University have created a tractor beam on water, providing a radical new technique that could confine oil spills, manipulate floating objects or explain rips at the beach. (2014-08-10)

Scientists deepen understanding of magnetic fields surrounding Earth and other planets
Now, a team of scientists has completed research into waves that travel through the magnetosphere, deepening understanding of the region and its interaction with our own planet, and opening up new ways to study other planets across the galaxy. (2019-07-12)

Researchers use acoustic waves to move fluids at the nanoscale
A team of mechanical engineers at the University of California San Diego has successfully used acoustic waves to move fluids through small channels at the nanoscale. The breakthrough is a first step toward the manufacturing of small, portable devices that could be used for drug discovery and microrobotics applications. The devices could be integrated in a lab on a chip to sort cells, move liquids, manipulate particles and sense other biological components. (2016-11-14)

Page 2 of 25 | 1000 Results
   First   Previous   Next      Last   
Brightsurf.com is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com.