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Keyword: waves

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  • Generating terahertz radiation from water makes 'the impossible, possible'

    09/29/2017 9:29:56 AM PDT · by Red Badger · 13 replies
    phys.org ^ | 09-28-2017 | Provided by: University of Rochester
    Xi-Cheng Zhang has worked for nearly a decade to solve a scientific puzzle that many in the research community believed to be impossible: producing terahertz waves—a form of electromagnetic radiation in the far infrared frequency range—from liquid water. Now, as reported in a paper published in Applied Physics Letters, researchers at the University of Rochester have "made the impossible, possible," says Zhang, the M. Parker Givens Professor of Optics. "Figuring out how to generate terahertz waves from liquid water is a fundamental breakthrough because water is such an important element in the human body and on Earth." Terahertz waves have...
  • MONSTER WAVE MEASURED BY SOUTHERN OCEAN WAVE BUOY [64 feet]

    05/22/2017 12:55:11 PM PDT · by C19fan · 48 replies
    Met Ocean Solutions ^ | May 20, 2017 | Staff
    Earlier today, MetOcean Solutions' wave buoy in the Southern Ocean recorded a whopping 19.4 m wave. Senior Oceanographer Dr Tom Durrant is thrilled. "This is one of the largest waves recorded in the Southern Hemisphere," he explains. "This is the world's southern-most wave buoy moored in the open ocean, and we are excited to put it to the test in large seas."
  • Scientist Confirm the Largest Wave Ever Recorded (Over 62 Feet)

    12/16/2016 2:46:54 PM PST · by nickcarraway · 48 replies
    Popular Mechanics ^ | Dec 15, 2016 | David Grossman
    A six-story building rising and falling in the ocean. The World Meteorological Organization (WMO) has announced that in 2013, a buoy detected the "the highest significant wave height" in recorded history. At a little over 62 feet, the North Atlantic wave was the size of a six-story building. Using a Datawell heave sensor, the WMO used careful language to describe the discovery. "Significant wave height" refers to the average height in a series of large waves, and "is comparable to what an observer would see as an average of about 15-20 well-formed waves over a period of about 10 minutes,"...
  • LIGO detects another black hole crash

    06/15/2016 12:43:57 PM PDT · by LibWhacker · 15 replies
    Science Magazine ^ | 6/15/16 | Adrian Cho
    On 26 December 2015, LIGO detected gravitational waves from two black holes spiraling together.LIGO/T. Pyle LIGO detects another black hole crash By Adrian ChoJun. 15, 2016 , 1:15 PM The biggest discovery in science this year--the observation of ripples in space-time called gravitational waves--was no fluke. For a second time, physicists working with the two massive detectors in the Laser Interferometer Gravitational-Wave Observatory (LIGO) have detected a pulse of such waves, the LIGO team reported on 15 June at a meeting of the American Astronomical Society in San Diego, California. Once again the waves emanated from the merger of...
  • Pondering Gravitational Waves

    02/13/2016 5:52:10 AM PST · by LibWhacker · 25 replies
    Centauri Dreams ^ | 2/11/16 | Paul Gilster
    Pondering Gravitational Wavesby Paul Gilster on February 11, 2016 "Einstein would be beaming," said National Science Foundation director France Córdova as she began this morning's news conference announcing the discovery of gravitational waves. I can hardly disagree, because we have in this discovery yet another confirmation of the reality of General Relativity. Caltech's Kip Thorne, who discussed black hole mergers way back in 1994 in his book Black Holes and Time Warps, said at the same news conference that Einstein must have been frustrated by the lack of available technologies to detect the gravitational waves his theory predicted, a lack...
  • More Gravitational Wave Rumors: Colliding Black Holes?

    02/09/2016 10:55:05 AM PST · by LibWhacker · 11 replies
    space.com ^ | 2/9/16 | Ian O'Neill
    More Gravitational Wave Rumors: Colliding Black Holes? By Ian O'Neill, Discovery News February 9, 2016 08:15am ET MORE This computer simulation shows the production of gravitational waves during a black hole collision.Credit: MPI for Gravitational Physics/W.Benger-Zib More gravitational wave discovery rumors are flying, but this time they've taken a specific -- and, possibly, really exciting -- new twist. And what's more, we should find out whether the astrophysical rumor mill is correct or not by the end of this week; a National Science Foundation press announcement is planned for 10:30 a.m. ET on Thursday (Feb. 11), billed as an opportunity...
  • Core Concept: Atom interferometry (May help scientists figure out what dark matter is, etc.)

    10/08/2015 6:26:20 PM PDT · by LibWhacker · 6 replies
    PNAS ^ | Oct 2015 | Maggie McKee
    Sometimes you have to think outside the box. Faced with some of the universe’s most stubborn mysteries, such as the identity of dark matter, physicists are turning to a technique that employs the weird laws of quantum mechanics: atom interferometry. Atom interferometers allow the study of various physical phenomena by splitting atom waves using a nanograting, such as this one. Composed of silicon nitride, this grating, imaged with a scanning electron microscope, has a period of 100 nm. Image courtesy of Alex Cronin (University of Arizona, Tucson, AZ). This method, which takes advantage of the fact that quantum particles behave...
  • New insights found in black hole collisions

    03/28/2015 10:39:33 PM PDT · by LibWhacker · 14 replies
    Phys.Org ^ | Mar 27, 2015
    New insights found in black hole collisions Mar 27, 2015 Enlarge Black Holes Go 'Mano a Mano.' Credit: NASA, Chandra, 10/06/09 New research provides revelations about the most energetic event in the universe—the merging of two spinning, orbiting black holes into a much larger black hole. An international team of astronomers, including from the University of Cambridge, have found solutions to decades-old equations describing what happens as two spinning black holes in a binary system orbit each other and spiral in toward a collision.The results, published in the journal Physical Review Letters, should significantly impact not only the study of...
  • Frozen waves captured in Nantucket surf photos

    02/28/2015 6:29:48 AM PST · by Daffynition · 47 replies
    grindtv ^ | February 26, 2015 | David Strege
    The unusually cold winter of Massachusetts produced an incredible phenomenon 100 miles southeast of Boston on the island of Nantucket recently: frozen waves, or, as some are describing them, Slurpee waves. Photographer Jonathan Nimerfroh had just finished a photo shoot when he decided to check out the beach, since they surf there in the winter.
  • Slurpee waves! The moment semi-frozen breakers rolled ashore in New England amid record cold

    02/26/2015 4:27:43 PM PST · by Beowulf9 · 38 replies
    http://www.dailymail.co.uk ^ | 26 February 2015 | Wills Robinson
    Plummeting temperatures have broken hundreds of winter records across the country - making February one of the coldest months in history. But in New England, it has gotten so cold even the waves are starting to freeze. These incredible photos of so-called 'slurpee waves' were taken by surfer Jonathan Nimerfroh in Nantucket, Massachusetts. He took his camera out when he noticed the horizon looked strange - and then spotted the surf had turn slushy. The stunning images were taken as snow and icy rain continues to cause chaos across the country - with states of emergency being declared in the...
  • Huge waves hit Chile and Peru

    07/07/2013 1:50:35 PM PDT · by SunkenCiv · 54 replies
    BBC ^ | Friday, July 5, 2013 | Reged Ahmad reports
    Waves as high as 7m (22 ft) have hit parts of Chile and coastal areas are on alert as high winds and tidal currents sweep across parts of South America's coast. Footage showed huge waves surging onto the streets of Antofagasta in Chile where at least one injury was reported following the dangerous weather. In Peru, parts of the country's coastline were hit with waves as big as 5m (16 ft) and the weather caused flooded streets in the seaside city of Chimbote.
  • Incoming! Then Outgoing! Waves Generated by Russian Meteor Recorded Crossing the U.S.

    03/10/2013 11:23:58 AM PDT · by LibWhacker · 5 replies
    NSF News ^ | 3/4/13 | Press Release
    Network of stations with seismometers and air pressure sensors detected the blast waves A network of seismographic stations recorded spectacular signals from the blast waves of the meteor that landed near Chelyabinsk, Russia, as the waves crossed the United States. The National Science Foundation- (NSF) supported stations are used to study earthquakes and the Earth's deep interior. While thousands of earthquakes around the globe are recorded by seismometers in these stations--part of the permanent Global Seismographic Network (GSN) and EarthScope's temporary Transportable Array (TA)--signals from large meteor impacts are far less common. The meteor explosion near Chelyabinsk on Feb. 15,...
  • Rolling blue waves hit the Antarctic coastline

    11/27/2012 1:12:54 PM PST · by NormsRevenge · 15 replies
    Yahoo! Photos ^ | 11/27/12 | Tony Travouillon
    These brilliant blue beauties, which look like tidal waves frozen at their highest point, were captured by French astrophysicist (and part-time photographer) Tony Travouillon as he travelled across Antarctica.
  • Washington ,Oregon ,California and The Olmypic Peninsula Choose this day whom you will serve !

    03/18/2011 11:36:42 AM PDT · by Jedediah · 51 replies
    The Joshua Chronicles ,bible ^ | 3-18-11 | Jedediah
    In 2005 the Lord gave me a vision of a mountain range rising up straight down Interstate 5 from Olympia through California . Yesterday I sensed even parts of the Olmypic Peninsula may soon disappear ! There is about to be , A catastrophe , Of human life greater than ever fortold , A separating of the sheep not of my fold , The ones that have gone the way of Cain , Sold their birthright as Esau for a moment of gain, These sheep have already witnessed the wonders of my love , But have rejected the God of...
  • Playing with the Waves

    12/22/2010 9:01:02 AM PST · by hawkins · 1 replies · 1+ views
    That Christian Website ^ | 12/22/2010 | Travis Main
    My idea of the perfect place to live is the mountains with the ocean at their feet. This is a blessing I was fortunate enough to visit frequently when I lived in Oregon. Mountains, hills, and canyons can be found relatively quickly in the United States. However, to reach the ocean, say from Ohio, is a bit of a trip. When my wife and I first married, I said I was willing to travel and live in a great number of places. However, the one caveat that I presented was I wanted to live near the ocean for at least...
  • New device can distinguish over 500 mental choices by reading brain waves

    04/04/2010 2:01:54 PM PDT · by Nachum · 4 replies · 395+ views
    mainichi.jp ^ | 4/4/10 | staff
    A small system for reading and interpreting the intentions of highly disabled persons who cannot communicate normally has been developed by a team of researchers at the National Institute of Advanced Industrial Science and Technology (AIST) in Tsukuba, Ibaraki Prefecture. The researchers hope to develop a practical model with a price under 100,000 yen within the next few years. Because specific brain waves strengthen when a person stares at something, senior members of the Hasegawa Ryohei Neurotechnology Research Group developed a system where a person looks at blinking choices on a screen while their brain waves are measured. The choices...
  • Families prepare for monster surf hazards

    12/07/2009 10:55:20 AM PST · by americanophile · 12 replies · 1,115+ views
    Hawaii News Now ^ | December 6, 2009 | Duane Shimogawa
    SUNSET BEACH (HawaiiNewsNow) - It could be the biggest surf Hawaii has seen in the past 40 years. Although the surf calmed down a bit on Sunday, some North Shore of Oahu residents prepared for the worst. Sunset Beach pumped up the hundreds who came to see the big wave spectacular. "We saw that they were big on Surf Net News and thought we'd check it out," Ewa Beach resident Scott Brown said. On Sunday, waves were around 15 feet. But on Monday, they're predicted to be as tall as 50 feet. "This looks to be a very, very large...
  • The new wave of female firebrands striking fear into liberal America (heh)

    11/16/2009 5:53:32 AM PST · by Daisyjane69 · 32 replies · 2,260+ views
    The Guardian (U.K.) ^ | 11/15/09 | Paul Harris
    She is a striking brunette with a decidedly outspoken attitude. She lambasts President Barack Obama as a socialist and has become the darling of America's right-wing activists who flock to her appearances. She is hated by liberals and loved by conservatives. Sarah Palin? Not quite. Meet Michele Bachmann, a Republican congresswoman from Minnesota who is being hailed as a new and increasingly powerful voice in American politics
  • Inside The Tube: Incredible Wave Photography

    10/17/2009 5:24:43 AM PDT · by Daffynition · 51 replies · 2,125+ views
    InternetPopCulture.com ^ | September 15, 2009 | unknown and Clark Little
    “Tubes” as they are known are a surfers lifeblood and a thing of natural beauty. We salute these adventurous photographers who, one of whom is named Clark Little, armed with a waterproof camera and perfect timing, were able to snap these incredible pictures.
  • Navy moves to put women on submarines

    10/13/2009 1:32:44 PM PDT · by JoeProBono · 25 replies · 1,814+ views
    hosted ^ | Oct 13 | RUSS BYNUM and PAULINE JELINEK
    Submariners sleep nine to a bunk room. There are four showers and seven toilets for the roughly 140 enlisted men. The passageways on board the vessel are so narrow that crew members can barely squeeze by each other without touching. And that's on the roomiest submarines. The Navy is considering allowing women to serve aboard submarines for the first time, 16 years after bringing female sailors onto surface combat ships. Some sailors and wives warn that putting men and women together in extremely close quarters underwater for weeks at a time is just asking for sexual harassment cases and wrecked...