On the nature of a short-period mesospheric gravity wave propagation over Halley, Antarctica

first_imgAs part of a collaborative program between British Antarctic Survey and Utah State University, measurements were made using an all-sky airglow imager located at the U.K. Halley Station (76°S, 27°W) during the 2000 and 2001 austral winter seasons from April through to early September. A co-located imaging Doppler interferometer was utilized to obtain coincident wind measurements for a total of 171 wave events. This study comprises the first detailed climatological investigation of the propagation nature (freely propagating, Doppler ducted, or evanescent) of individual quasi-monochromatic, short-period wave events at a high southern latitude. Distributions of the derived vertical wavelength exhibit an interquartile range from ∼16–48 km with a median vertical wavelength of 21 km. The majority of the wave events were found to be freely propagating waves, with only ∼5% exhibiting a clear Doppler ducted signature, while 15% of the waves were found to be evanescent in nature. Although no coincident temperature measurements were available, subsequent SABER temperature measurements suggest that up to ∼28% of the measured temperature profiles are capable of providing a ducted environment for the observed wave field. This is in sharp contrast to findings at mid- and low latitudes where these waves have been shown to be prone to Doppler ducted motion. It is suggested that the relatively weak wind field and associated tidal wind amplitudes over Halley are not capable of forming a significant Doppler ducted region to sustain a substantial amount of ducted waves belonging to the detectable spectrum of the airglow imager. As these wind fields are comparable to wind fields found at other polar latitudes, we hypothesize that the majority of short-period gravity waves observed in the polar mesosphere are freely propagating and thus an important source of energy transfer into the MLT region.last_img read more

In Short

first_imgPasty lessonMore than 240 children aged five to seven from Newquay’s Trenance Infant School in Cornwall learnt how to make Cornish pasties during a visit from Crantock Bakery, as teaching staff ran sessions on food production and nutrition.ABST seeks helpThe Alliance of Bakery Students and Trainees (ABST) is calling for promotional items to include in Student Fresher Bags, such as product info, recipes, plastic scrapers and pens. Send to: Lorna Jones, Bakery Department, Tameside College, Beaufort Road, Ashton-under-Lyne, Greater Manchester, OL6 6NX.Fraudsters alertThe Food Standards Agency (FSA) has put out a warning to operators of food businesses, to be aware of fraudsters who visit food business premises claiming they are from the FSA. The fraudsters claim they need to carry out an inspection and then extract substantial amounts of money as a fixed penalty fee for the premises being allegedly unhygienic. You can report the crime by emailing [email protected] or calling: 020 7276 8527.Own-label salt studyResearch from Consensus on Salt and Health (CASH) on 71 supermarket own-label products in ’free-from’ ranges (gluten, wheat or dairy-free), compared with retailers’ standard versions, showed that just over half (56.3%) of the free-from products contained more salt, and 26.7% contained less.Barista call-upThe UK Barista Championships 2010 will be open for entries from 1 November. Budding baristas can download an application form from the new Speciality Coffee Association of Europe (SCAE UK) website: www.scaeuk.com.last_img read more

News story: Devon dredging and disposal licence suspended

first_imgThe MMO has suspended a marine licence for maintenance dredging of Exmouth Marina and disposal of related materials at the Sprey Point disposal site.John Tuckett, Chief Executive Officer said:“We are aware of concerns about Teignmouth beach and are working with other agencies to look into these.“As a responsible marine manager we have taken a precautionary approach and suspended a marine licence for maintenance dredging of Exmouth Marina and disposal of related materials at the Sprey Point disposal site. This is until we are clear that materials found on Teignmouth beach are an aesthetic issue only.“We are confident that an assessment carried out as part of the licence application process and in line with OSPAR guidelines, showed that the material is suitable for disposal at sea.”Further details about the marine licence are available on the MMO’s public register (case reference MLA/2016/00372) and in a previous update provided by the MMO.last_img read more

Morrisons takes on discounters with loyalty card

first_imgMorrisons is to launch a new loyalty card scheme in a bid to climb back up the ranks in the supermarket battles. The Match & More card will award points equivalent to the price difference between its items and those which are cheaper in other supermarkets, with a focus on discount chains Aldi and Lidl.The scheme will be launched into 11 stores, before being rolled out the remaining Morrsions supermarkets across the country before Christmas.Dalton Philips, Morrison’s chief executive told the BBC: “We want to make sure that we do all the hard work and customers do not have to worry about checking prices anywhere else.”Morrisons customers will get the difference in price of their full shop in the form of points on their discount card.last_img read more

Eric Krasno Takes His Music In New Directions On ‘Blood From A Stone’ [Review]

first_imgGrammy-award winning guitarist Eric Krasno (Soulive/Lettuce) has unveiled a tremendous solo offering in Blood From a Stone, a significant departure from the sound that fans have come to know over his nearly two decades making music. Released on his own Feel Music Group imprint, the new record finds Krasno exploring various blends of pop-song craftsmanship dipped in bluesy psychedelia, thundering drums, and an analog vibe that courses through its vintage veins. Most surprisingly, it is not Krasno’s legendary guitar prowess that takes center stage, but instead his voice; Krasno sings lead on nearly every song on the record, and the results are downright staggering. As one-third of NYC jazz-hop legends Soulive, a founding member of funk behemoth Lettuce, an in-demand studio producer (Krasno has produced records for everyone from Aaron Neville to The London Souls to Nigel Hall), celebrated hip-hop producer (Fyre Dept. with Adam Deitch), and also logging time as touring bassist with Tedeschi Trucks Band, the soft-spoken guitarist has been in the game for what seems like forever. More recently, he has become a sought-after writer for a diverse and eclectic group of recording artists. After holing up in Portland, Maine with Dave Gutter (Rustic Overtones) for a long songwriting session, Kraz found himself penning material he soon imagined sung in his own voice. “I’ve been writing songs with vocals for other people for a while. With these songs, we initially wrote them thinking others would sing them, so when I was in the studio with different artists, sometimes I’d introduce one of the tracks and they’d record it, but it wouldn’t necessarily work out. Eventually, I realized it was because I’d written these songs for myself,” said Krasno. Ryan Zoidis (Lettuce’s Shady Horns, and also a member of Rustic Overtones) configured a minimalist assortment of vintage gear and set up a barn studio space, while Gutter and Krasno hammered out the material. Within a short time, a story arc of love, loss and redemption was developed, as both men were picking up the pieces at the end of relationships. The duo began to shape the vision and sound of the forthcoming album, a tight and calculated assortment of pop songs rich in lyric, melody, with sugary choruses and a strong emotional quotient. The sessions were initially intended to be demos, though it became apparent early on that this session was destined for Blood From a Stone. Krasno: “The recording process was fun because we really thought we were just doing writing sessions. There was no pressure. We set up a studio where the Rustic Overtones [Gutter and Ryan Zoidis’ former band] are based up in Maine and brought in a bunch of gear. I contributed some guitars, amps and mics, while Ryan pieced together a tape machine and basically built a studio for this session. Chris St. Hilaire and Stu Mahan from The London Souls came up and helped out putting down the initial tracks. It was great because we were writing the songs and recording at the same time. The band would be putting down parts, while Dave was writing a bridge in the other room. It was like we were in a little song factory for those few days. We came out of that sessions with maybe a dozen songs and the tracks sounded killer. I have to say that Ryan Zoidis and Jon Roods, also in Rustic Overtones, did a great job recording everything. We used minimal gear, but it was done right and that is mostly what you hear on the record.” It’s plain to hear from the opener (and first single) “Waiting On Your Love” that Kraz is serious about this singing business. Where he has been hiding this mojo is beyond me, as his confident swagger is light years beyond the rare glimpses of vocals we have heard from him over the years. Much like his emotive guitar playing, Krasno’s voice is a classy instrument wealthy in tone and conviction. The big and greasy first salvo harkens back to the colors and textures found on Lenny Kravitz’s masterful Circus, a record that itself marries the contemporary and vintage with style and grace. Throw in a tidbit of late-70’s fuzz-box guitar-rock, a smidgen of Tame Impala, and a healthy pour of the bluesman’s burden, and you have Blood From A Stone’s sonic DNA. “Torture” is a blues lickin’ down-home stomp that owes a debt to ZZ Top. “Jezebel” is a lover’s lament, employing a tasty Rhodes groove, open high hats and ringing rides, syncopated bass and lyrical toms, all shuckin’ and jivin’ beneath an atypically choice Kraz axe-tone. “On the Rise” is the record’s second single; a mid-tempo rim-shot number with dreamy harps and a slithery bassline. On an album full of sensual feels, this track calls out to Voodoo-era D’Angelo’s Soulquarian squad. The story of rebirth and resolution is a perfect foil for the soothing, sexy energy that propels the song into new Krasno territory. Similarly different, and defiantly declaring this new era is “Please Ya,” a vintage ballad that finds Kraz traversing gospel geography, navigating bluesy R&B with Muscle Shoals roots. “Natalie” is a driving, stomping rocker that display’s Krasno’s subtle troubadour grit; “Wicked This Way” is a slab of slow n’ dreamy pop, complete with huge vocal bridge and a tantalizing duet with Alecia Chakour. The other featured collaboration on Blood From A Stone is a departure from the record’s already established temperature, as Derek Trucks drops in on “Curse Lifter” and heats things up proper, dialing in a guitar duo thrill-ride on a jam that would undoubtedly make Duane Allman a proud man. “‘Curse Lifter’ is an homage to Santana, the Allman Brothers Band and some of the bands I grew up listening to,” Krasno said. “I’ve always loved guitar harmonies when they’re done the right way. After we recorded the rhythm tracks and listened back, I knew it would be great to have Derek Trucks play on it. We recorded at his studio and just mic’d up two amps in the live room and went for it.” With Blood From a Stone, Eric Krasno has again reinvented himself, this time as a weathered, sensitive, imaginative bluesman; with a penchant for gospel-tinged R&B, lavender love songs dripping in psychedelic grooves, all delivered through a colorful palette of vintage tastes and tones. This is prodigious pop album, exceptionally executed by a cagey veteran, who has found a swagger within his voice that is clearly, just the tip of the iceberg. Kraz has opened up a new avenue for his seemingly limitless creative energies, and fans should be prepared to be spoiled rotten. Lookout for the Eric Krasno Band on tour, out for select dates supporting Blood From a Stone, including tonight’s hit at Brooklyn Bowl, celebrating the venerable nightspot’s 8th anniversary in style.last_img read more

Robotic insect mimics nature’s extreme moves

first_img In this video, watch how novel robotic insects developed by a team of Seoul National University and Harvard scientists can jump directly off water’s surface. The robots emulate the natural locomotion of water strider insects, which skim on and jump off the surface of water. Credit: Wyss Institute/Harvard University“Using its legs to push down on water, the natural water strider exerts the maximum amount of force just below the threshold that would break the water’s surface,” said the study’s co-first author, Je-Sung Koh, who was pursuing his doctoral degree at SNU during most of this research and is now a postdoctoral fellow at the Wyss Institute and the Harvard Paulson School.Mimicking these mechanics, the robotic insect built by the team can exert up to 16 times its own body weight on the water’s surface without breaking through, and can do so without complicated controls. Many creatures can perform extreme styles of locomotion ― such as flying, floating, swimming, or jumping on water ― with great ease despite a lack of complex cognitive skills.“This is due to their natural morphology,” said Cho. “It is a form of embodied or physical intelligence, and we can learn from this kind of physical intelligence to build robots that are similarly capable of performing extreme maneuvers without highly complex controls or artificial intelligence.”The robotic insect was built using a torque-reversal catapult mechanism inspired by the way a flea jumps, which allows this kind of extreme locomotion without intelligent control. Cho, Wood, and Koh first reported the mechanism in 2013 at the International Conference on Intelligent Robots and Systems.For the robotic insect to jump off water, the lightweight catapult mechanism uses a burst of momentum coupled with limited thrust to propel it upward without breaking the water’s surface. An automatic triggering mechanism, built from composite materials and actuators, was employed to activate the catapult.For the body of the robotic insect, “pop-up” manufacturing was used to create folded composite structures that self-assemble much like the foldable components that “pop-up” in 3-D books. Devised by engineers at the Harvard Paulson School and the Wyss Institute, this ingenious layering and folding process enables the rapid fabrication of microrobots and a broad range of electromechanical devices.“The resulting robotic insects can achieve the same momentum and height that could be generated during a rapid jump on firm ground — but instead can do so on water — by spreading out the jumping thrust over a longer amount of time and in sustaining prolonged contact with the water’s surface,” said Wood.“This international collaboration of biologists and roboticists has not only looked into nature to develop a novel, semi-aquatic, bio-inspired robot that performs an new extreme form of robotic locomotion, but has also provided us with new insights on the natural mechanics at play in water striders,” said Donald Ingber, founding director of the Wyss Institute.Additional co-authors of the study include Gwang-Pil Jung, Sun-Pill Jung, Jae Hak Son, Sang-Im Lee, and Piotr Jablonski.This work was supported by the National Research Foundation of Korea, the Defense Acquisition Program Administration’s Bio-Mimetic Robot Research Center, and the Wyss Institute. <a href=”https://www.youtube.com/watch?v=CnFBXM5641k” rel=”nofollow” target=”_blank”> <img src=”https://img.youtube.com/vi/CnFBXM5641k/0.jpg” alt=”0″ title=”How To Choose The Correct Channel Type For Your Video Content ” /> </a> Walking on water might sound supernatural, but in fact it is a quite natural phenomenon. Many small living creatures leverage the surface tension of water to move themselves around. One of the most complex maneuvers, jumping on water, is achieved by a species of semi-aquatic insects called water striders that not only skim along water’s surface but also generate enough upward thrust with their legs to launch themselves airborne from it.Emulating this natural form of water-based locomotion, an international team of scientists from Seoul National University in South Korea (SNU), Harvard’s Wyss Institute for Biologically Inspired Engineering, and the Harvard John A. Paulson School of Engineering and Applied Sciences has unveiled a novel robotic insect that can jump off of water’s surface. In doing so, they have revealed new insights into the natural mechanics that allow water striders to jump from ground or water with the same amount of power and height. The work is reported in Friday’s issue of Science.Robotic insectcenter_img Credit: Wyss Institute/Harvard University “Water’s surface needs to be pressed at the right speed for an adequate amount of time, up to a certain depth, in order to achieve jumping,” said the study’s co-senior author, Kyu-Jin Cho, an associate professor in the Department of Mechanical and Aerospace Engineering and director of the Biorobotics Laboratory at SNU. “The water strider is capable of doing all these things flawlessly.”The water strider, whose legs have slightly curved tips, employs a rotational leg movement to aid it its takeoff from the water’s surface, discovered co-senior author Ho-Young Kim, a professor in SNU’s Department of Mechanical and Aerospace Engineering and director of its Micro Fluid Mechanics Lab. Kim, a former Wyss Institute Visiting Scholar, worked with the study’s co-first author, Eunjin Yang, a graduate researcher at SNU’s Micro Fluid Mechanics Lab, to collect water striders and take extensive videos of their movements to analyze the mechanics that enable the insects to skim on and jump off water’s surface.It took the team several tries to fully understand the mechanics of the water strider, using robotic prototypes to test and shape their hypotheses.“If you apply as much force as quickly as possible on water, the limbs will break through the surface and you won’t get anywhere,” said Robert Wood, a co-author on the study, a Wyss Institute Core Faculty member, the Charles River Professor of Engineering and Applied Sciences at the Harvard Paulson School, and founder of the Harvard Microrobotics Lab.By comparing water striders to prototypes of their robotic insect, the SNU and Harvard team discovered that the best way to jump off water is to maintain leg contact with it for as long as possible during the jump itself.Jumping on water: Robotic water striderlast_img read more

Will Hamilton’s Lin-Manuel Miranda Join New Mary Poppins?

first_imgLin-Manuel Miranda(Photo: Bruce Glikas) from $149.00 Lin-Manuel Miranda Hamilton Star Filescenter_img Related Shows View Comments Will Lin-Manuel Miranda fly from 18th-century America to 20th-century London? According to Variety, the Hamilton star and creator is in talks to star alongside the previously speculated Emily Blunt in Disney’s new Mary Poppins.Before you picture Miranda singing/rapping “Chim Chim Cher-ee,” keep in mind: the new film will not be a direct remake of the 1964 Julie Andrews movie. Instead, the new Poppins will focus on the other tales in author P.L. Travers’ 1934-1988 children’s book series. The Tony, Emmy and Grammy winner would play Jack, a lamplighter (not Bert, famously played by Dick Van Dyke).Rob Marshall, who helmed the recent big-screen adaptation of Into the Woods, is on board to direct. Marc Shaiman and Scott Wittman, the team behind Hairspray, Smash’s Bombshell and the Broadway-bound Charlie and the Chocolate Factory, will compose a new score and original songs. This is the third Disney project for Miranda, who penned a number for Lucasfilm’s Star Wars: The Force Awakens and wrote songs for Disney’s upcoming Moana.last_img read more

Quick Hits: Doctors Prescribe Hikes + New Life for Old Coal Mine Sites

first_imgUniversity of Washington research indicates doctors may someday prescribe hikesResearchers at the University of Washington have embarked on research that couldone day allow doctors to prescribe patients a hike in the great outdoors. Chronicdiseases and mental health conditions plague today’s society but according to thebest available evidence, contact with nature may reduce obesity, ease anxiety anddepression, help people connect socially, and ignite creativity. But the averageperson spends just five percent of their day outside. The Nature for Health initiativeat University of Washington has launched a program to find out more about theimpacts of nature on human health. Focusing on five sectors—veterans, children,the elderly, healthcare providers and underserved populations, the program willstudy the effects of nature on human wellness in the hopes that one day doctors mayinstruct patient to head outdoors to cure what ails them.An Appalachian organization is working to plant lavender on old coal mine sitesA startup incubator in South Charleston, West Virginia called West Virginia Regional Technology Park is bringing life back to the earth and rock left behind after mountaintop removal mining. Mountaintop removal is a form of surface mining that removes up to 400 vertical feet of mountaintop to expose the coal underneath. The practice began in the 1970’s; today there are more than 330,000 acres of defunct mountaintop removal land in West Virginia alone. But a group called Cultivating Appalachia has begun growing lavender at mountaintop removal sites to be harvested for oil used in soaps, lotions and perfumes. Lavender loves dry, rocky soil and the incubator has had success growing two types of lavender. The program also runs a training program, and connects potential farmers with mine owners who are legally obligated to “reclaim” their sites. The executive director of the technology park estimates the sites could generate around $10,000 an acre, making it a potential $3.3 billion industry.Dead trees in Harrisonburg, VA support local artisans and businessesAsh trees affected by the emerald ash borer, a non-native beetle responsible for thedestruction of tens of millions of trees in 30 states, are finding new life inHarrisonburg, VA thanks to an urban wood utilization program by the City ofHarrisonburg and the Department of Forestry. The city hopes to give new life to thefallen urban trees by sending the wood from the trees to a local sawmill and then putting the wood into the hands of local artists who will ultimately send the woodback out into the community as conference tables and other functional works of art. The program hopes to keep the dead trees out of landfills and into the hands of localwoodworkers. Though there are treatments available for ash trees affected by theemerald ash borer and a cost share program provided by the Department ofForestry, treatments ultimately just prolong the dying process.last_img read more

A New Model for Relationships.

first_imgLifestyleRelationships A New Model for Relationships. by: – June 14, 2011 Share Share 37 Views   no discussions Tweetcenter_img Sharing is caring! Share by GALTime.comNewsweek magazine published an article called “The Princess and the Terminator,” an article about older couples divorcing and starting over based on the Shriver/Schwarzenegger divorce.The author, Susan Cheever, states, “Once apon a time, men and women in their 50’s and 60’s didn’t have serious marital problems– this was primarily because they were dead.” The average life span in America has increased by 30 years in the last century.  Those additional thirty years have made long term relationships a little more complicated.  It’s easy to put up with annoying behaviors if you know you’ve only got a little time left with your partner.  Twenty or thirty more years is a whole different story.The other issue is that many people are much more active well into their later years.  Old age really is a mindset, and more people are setting their minds to age gracefully.  Data presented in the New England Journal of Medicine recently reported that many people are remaining sexually active well into their 70’s and 80’s.  The more active a person is, the more likely they are to desire a full and happy life.  They’re unlikely to be willing to put up with a miserable relationship, but few of them have the knowledge or desire to fix the relationship they’re in.  They assume that the problem lies with their partner, so they divorce.Granted, there are lots of relationships for whom divorce is an excellent option.  People change as they age, and they often change and grow in different directions.  We can acknowledge that and part compassionately, moving on to someone who suits us better now.  Unfortunately, that’s not a common model of divorce.  More often, because we don’t have many role models of couples who divorce amicably, we create a reason to end the relationship.  The most common reason is infidelity.One of the six reasons I cited here for why people divorce is that they secretly want to end their relationship and they don’t know how.  So they cheat, and either get caught or admit it.  That’s what Schwarzenegger did- he admitted to having an affair. What if we embraced a new model for relationships?  What if we could honor each relationship we have for its good points, learn from the parts that didn’t work, and move on gracefully when it’s time?  We’d save a lot of money in legal fees, for one thing.  If nobody’s the bad guy in the break up, we wouldn’t have to fight long, drawn out legal battles over property and children.Not only would we save a lot of money, but we’d also save the psyches of the millions of children caught in the crossfire of divorce.  Children thrive under conditions where they have one present, loving adult in their lives.  They don’t have to be in an intact family to be happy; they just need to know they are loved.  In an amicable divorce, they wouldn’t feel the guilt, fear and uncertainty they do in bitter breakups.Here’s what the new model could look like.Open and honest communication forms the foundation of each relationship.  Each person is encouraged and empowered to speak their truth in each moment.  Nobody’s wrong; each person is entitled to their unique experience.Each person is responsible for their own happiness.Couples come together for personal growth, not out of need disguised as love.  If and when their growth draws them apart, they honor each other and move on.This is a model of empowered, authentic and conscious relationships.  It’s not common yet, but I believe it’s the wave of the future.  I intend to ride that wave, how about you?last_img read more

Cash worth P39K, gadgets missing

first_imgThe 52-year-old Syrian national Khalil AlRawes owned the lost items, a police report showed.   The victim accused two female minors – whowere living in his house – as the thieves. ILOILO City – Cash amounting to P39,000, threelaptops and two cellphones went missing in Barangay San Matias, Dingle, Iloilo. Rawes reported to the cops after he noticedthat his gadgets and money went missing around 1:30 a.m. on Sept. 22, thereport added.    Officers of the Dingle municipal policestation were investigating the incident./PNlast_img read more