10 months agoDalian Yifang attacker Carrasco in contact with Arsenal

first_imgDalian Yifang attacker Carrasco in contact with Arsenalby Paul Vegas10 months agoSend to a friendShare the loveBelgium winger Yannick Carrasco has emerged as a target for Arsenal.Sky Italia says the 25-year-old left Atletico Madrid to join Chinese Super League side Dalian Yifang in February last year.Arsenal have made initial contact with the Belgian international, who has given his ‘approval’ to the move.Carrasco is said to be open to moving to the Premier League with the Gunners now favourites for his signature.Milan had been keen on Carrasco and the player even liked a social media post about a potential move to the San Siro.But there are doubts over whether Milan would be able to afford the deal, with Carrasco currently pocketing around £170,000-a-week in China. TagsTransfersAbout the authorPaul VegasShare the loveHave your saylast_img read more

a month agoMan City boss Pep Guardiola: I have no money!

first_imgTagsTransfersAbout the authorPaul VegasShare the loveHave your say Man City boss Pep Guardiola: I have no money!by Paul Vegasa month agoSend to a friendShare the loveManchester City boss Pep Guardiola says he has no money to spend in January.It’s been suggested Guardiola is seeking a new centre-half signing for the winter market.But the manager insists: “It’s not up to me, but we can’t buy anyone in January.”We do not have the money to deposit large amounts. That didn’t work in the summer, so not in the winter either.“We will do it with the players that we have. With Taylor Harwood-Bellis, Eric Garcia and the new players in the youth academy. We have young talented players that we can count on.” He added: “Vinny (Kompany) had a great personality and he was very helpful to me and the entire club. But he has decided to go to Anderlecht and we must continue.” last_img read more

Ohio State announces Larry Johnson as assistant head coach and defensive line

Larry Johnson watches the team practice before the Blue and White scrimmage April 20 at Beaver Stadium.Credit: Courtesy of Daily CollegianLarry Johnson is officially an Ohio State Buckeye.OSU made the announcement Wednesday, naming Johnson the next assistant head coach and defensive line coach for the Buckeyes, according to a press release.“I am very pleased that Larry Johnson is an Ohio State Buckeye,” OSU coach Urban Meyer said in the release. “I have great respect for him as a family man, as a coach and mentor of young men and as a recruiter. He is an outstanding addition to our coaching staff.”Johnson spent the last 18 years of his career at Penn State, including overseeing the entire defensive line for the last 14 years. He also spent 20 years coaching high school football in Maryland and Virginia, according to the release.“In just a few hours I can tell that Ohio State cares about football,” Johnson said in the release. “There is a winning tradition that is important here. They care about academics and they care about players, and I like the way coach Urban Meyer approaches things. He’s a great teacher. He is very organized and this is what I was looking for.”Johnson is set to replace former Buckeye defensive line coach Mike Vrabel, who announced via Twitter Jan. 9 he was leaving OSU to take a job with the Houston Texans of the NFL. Vrabel’s jump to the NFL comes after Houston announced the hiring of former Penn State head coach Bill O’Brien Jan. 3.While coaching at Penn State, six of Johnson’s defensive linemen were first-round NFL Draft selections, most recently Jared Odrick in 2010. Johnson also coached seven first-team All-Americans on the defensive line in his time at State College, Pa., including Courtney Brown, who was picked No. 1 overall in the NFL Draft in 2000.Since 1996, Johnson’s first season with the Nittany Lions, no other Big Ten team has had as many players from one position win Big Ten Defensive Player of the Year than the five defensive ends Johnson coached.“I am really impressed with the Ohio State players. I just met a group of players, walked out of the room and thought, ‘wow,’ these are kinds of players I want to coach,” Johnson said. “They were really impressive.”Johnson, who grew up in Williamston, N.C., coached a defense that led the nation in sacks from 2005-09. He focuses on fundamentals and forming relationships with the players he coaches, according to the release.“I’m a relationship guy and I think in order to get the best out of your players you have to develop relationships,” Johnson said in a released statement. “I’m also a teacher. I like to teach the basic fundamentals of football. I want guys who are fundamentally sound and have the ability to play fast and to play relentless.”Johnson’s salary was not immediately available Wednesday evening, per OSU. The man he is replacing at OSU, Vrabel, earned a base salary of $291,004 last season, according to the USA TODAY coaches database.According to PennLive, Johnson was offered to remain as defensive line coach for the Nittany Lions by their new head coach — James Franklin — but declined.The Buckeyes are set to open their 2014 campaign Aug. 30 against Navy at M&T Bank Stadium in Baltimore. read more

Report Ohio State wide receiver Jalin Marshall to miss remainder of spring

The Ohio State football team has suffered another casualty.After losing sophomore safety Vonn Bell already this spring to an injured MCL, redshirt-freshman wide receiver Jalin Marshall can be added to the list of players out for the remainder of spring practice.According to a report by Bucknuts.com, Marshall is set to have surgery Friday morning to repair a torn meniscus and will miss the remainder of spring practice.Senior quarterback Braxton Miller, junior tight end Jeff Heuerman and senior wide receiver Evan Spencer have not practiced since the beginning of spring. Miller is out with after having arthroscopic surgery on his throwing shoulder, Heuerman has a broken nose and Spencer is rehabbing from a lower leg injury suffered in OSU’s 40-35 loss to Clemson in the 2014 Discover Orange Bowl.After the first day of spring practice March 4, coach Urban Meyer noted he had seen an improvement in Marshall since he first walked on campus.“Jalin Marshall today, completely different football player than he was a year ago,” Meyer said. “Why? I put that on the coach. Let the kid go play. I saw what you saw, great looking dude, but he didn’t play great. Just go.”Marshall did not play for the Buckeyes in his first season in Columbus, despite coming in as a highly touted recruit out of high school. He was expected to compete for playing time next season, after the graduation of OSU’s leading wide receiver, Corey “Philly” Brown.Former Buckeye linebacker Ryan Shazier said before the Orange Bowl against Clemson he thought that Marshall was a player to watch for in the future.“Even some of those guys on offense like Jalin and (redshirt-freshman tight end) Marcus Baugh and guys like that,” Shazier said Dec. 13. “I feel like they’re going to do a really good job next year helping this team. They’ve been doing a great job on scout and even practices so just watching them in this bowl practice is going to be really key.”An OSU spokesman did not immediately respond to The Lantern’s request for comment Wednesday.The Buckeyes are scheduled to open the 2014 season Aug. 30 against Navy at M&T Bank Stadium in Baltimore. read more

Football Ohio State vs Michigan State – By the Numbers

Ohio State freshman running back J.K. Dobbins (2) runs the ball in the second half of the Ohio State-Michigan State game on Nov. 11. Ohio State won 48-3. Credit: Jack Westerheide | Photo EditorNo. 13 Ohio State (8-2, 6-1 Big Ten) rolled past Michigan State (7-3, 5-2 Big Ten) Saturday 48-3. The Buckeyes outgained the Spartans 524-195, making the Spartans’ the second-lowest total offensive output Ohio State has allowed this season with Maryland’s 66 yards marking the fewest yards allowed. Here are some important statistics from Ohio State’s win over Michigan State.3 – turnovers forced by Ohio State. Coming into this game, Ohio State hadn’t forced a turnover in its past two games. The last turnover came on an Amir Riep interception in Ohio State’s 56-14 victory against Nebraska. It hadn’t forced multiple turnovers since Oct. 7 against Maryland. Until Saturday. Michigan State quarterback Brian Lewerke threw two interceptions and fumbled the ball once. Ohio State forced 27 turnovers and intercepted 21 passes over its 13 games played and had just one game without a turnover. So far, Ohio State has only 13 turnovers over nine games and already has two games without a turnover. The inability to force turnovers has been an issue for a team that relied on that turnover ability as a key part of its success last season.2 – Michigan State tackles for loss. Ohio State imposed its will on Michigan State all night, and a big part of that came down to the dominating effort the Buckeyes’ offensive line put in against the Spartans. Michigan State was only able to break out and tackle a Buckeye ball-carrier beyond Ohio State’s line of scrimmage twice all game, and came away with zero sacks on quarterback J.T. Barrett. Ohio State lost only four yards combined on the two tackles for loss.The Spartans were only averaging 5.67 tackles for loss per game, 73rd in the nation, so they did not come into the game expecting to take the Buckeyes down frequently. But Ohio State’s offensive line was opening up holes for Ohio State’s running backs all game and provided Barrett with plenty of time to complete passes when he stood in the pocket. The offensive line for the Buckeyes has been a strong unit all season for the Buckeyes, and matched up against one of the tougher defenses of the season, it stood strong against a potent defensive line. 27 – carries between Mike Weber and J.K. Dobbins. For the first time in weeks, Ohio State had trust in its running backs. Weber and Dobbins combined for 27 carries against Michigan State Saturday and totalled 286 rushing yards for an average of 10.6 yards per carry. Weber was the only one of the two who punched a run into the end zone as he carried 47- and 82-yard rushes for scores.Before this game, Weber and Dobbins had combined for just 31 carries over the past two games. Despite finding continued success throughout the season, the dynamic running back pairing has been used sparingly since the season-opener against Indiana when Dobbins had 29 carries. Though head coach Urban Meyer said after the game it was largely the result of trying to control the flow of the game, the decision to run the ball as frequently as Ohio State did led to its most convincing offensive showing all season. If Ohio State continues to trust in Weber and Dobbins moving forward, it could continue to see dominant rush outings like it did Saturday.2 – penalties taken by Ohio State. A recurring problem for the Buckeyes throughout the season has been penalties. The Buckeyes entered the game with the fifth most penalty yards taken per game in the nation, averaging 77.2 penalty yards per game. Against the Spartans, the Buckeyes were a far more disciplined team, committing only two penalties for a combined 27 yards. One was a targeting penalty that ejected redshirt sophomore defensive tackle Dre’Mont Jones from the game. For once, Ohio State did not shoot itself in its own foot with penalties. The Buckeyes remained disciplined throughout the game outside of the aforementioned Jones’ targeting call and a pass interference call on freshman cornerback Jeffrey Okudah on Michigan State’s last drive of the game. The improved discipline out of the team helped keep the Buckeyes in the game and not give up unnecessary yardage.121 – Michigan State yards before the fourth quarter. It felt like Ohio State kept Michigan State from producing a first down all game. The Spartans had two first downs on their first drive of the game, and did not have another until about halfway through the second quarter. Michigan State’s offense produced 75 yards in the second quarter, but just 46 between the third and fourth quarters. By the time the Spartans started to rack up the offensive yardage, it was the fourth quarter, and the backups for Ohio State were all playing.The pressure consistently maintained on Lewerke throughout the game kept the Michigan State quarterback from settling in all night. The Spartans running attack was unable to get past a formidable Ohio State front-seven. Cornerback Denzel Ward made several strong plays in the secondary as did cornerback Damon Arnette, and the linebacking corps — which came with several new faces — did its job filling in for a pair of injuries. Ohio State’s defense has been what has cost Ohio State the most this season, but a strong performance Saturday to limit the Spartans should put them back in the good graces of Ohio State fans. read more

Juan Mata names the ONE benefit Man Utd get with no

first_imgManchester United midfielder Juan Mata is looking to the bright side of things by stating that a squad with no World Cup stars gives the kids the “pre-season of their lives”The Red Devils’ boss Jose Mourinho has repeatedly lamented the fact that so many so his first-team players are still away on holiday due to their participation at this summer’s World Cup with only a dozen, so far, having returned for pre-season training.Switzerland midfielder Nemanja Matic has now returned to the squad, while new signing Fred and goalkeeper David de Gea are set to join the squad at their US training camp within the week.But United will still have to make do without the likes of World Cup winner Paul Pogba due to reaching the latter stages of the competition.With just 18 days till their Premier League opener against Leicester City, last season’s runners-up will likely have to use academy players like Tahith Chong and James Garner.But Mata is trying to stay positive.harry maguire, manchester UnitedMaguire says United need to build on today’s win George Patchias – September 14, 2019 Harry Maguire wants his United teammates to build on the victory over Leicester City.During the summer, Harry Maguire was referred to as the ultimate…“We all know that this is not the squad that is going to be the first-team squad when we start the Premier League in the first game of the season,” said the Spaniard, according to MEN.“But it is what it is. And I like to see it in a positive way, which is so many youngsters are with us.“It speaks very well about how the Manchester United academy is working and it’s an incredible experience for them. So for us, the senior players, it’s about getting some minutes and getting the rhythm of the game.“And for the kids, it’s just the pre-season of their lives, I believe. Because, if I was 19, 20, 18 and I had the chance to play with first-team players of Manchester United, I will definitely try to take my chance.“So, yeah, we are not still all here, but the ones that are here, we are trying to enjoy it as much as we can.”last_img read more

Reminder Do Not Plow Snow Into Roads Right Of Ways

first_imgFacebook0TwitterEmailPrintFriendly分享The Department of Transportation issued a reminder that plowing snow from private property into local roads, ditches, and right of ways is illegal. DOT reminds residents that as the snowfall continues this winter remember it is a violation of state law to plow excess snow from your driveway and yard across state maintained roadways. According to the Kenai Peninsula Borough, this creates an obstruction hazard and sight problems for the traveling public and snow removal equipment. Along with the reminder about plowing, the Borough asks parents to keep children out of snow piles and berms along roadways. They say plowing snow into the right of way creates significant additional costs and delays to road crews who have to move the snow back – a cost which is eventually transferred to the taxpayer.last_img read more

2 more killed in alleged gunfight

first_imgGunfight IllustrationTwo men were killed in a reported gunfight with police in Moulvibazar of Teknaf upazila’s Hneela union in Cox’s Bazar early Sunday, reports news agency UNB.Deceased Mahamudur Rahman, 28, son of a certain Miah Hossain, resident of Ali Akbar Para, and Mohammad Ashraf, 25, son of a certain Nurul Islam, a resident of Noyapara of the upazila were drug traders, claimed the law enforcement.Six LGs, bullets and 10,000 yaba pills were also recovered from the spot, said Pradip Kumar Das, the officer-in-charge of Teknaf police station.He said that their team conducted a drive in the area after being tipped off about the presence of a drug traders’ gang.“They opened fire as soon as the police team reached the site, triggering a gunfight,” the OC said. “We recovered bodies of two drug traders after the gunfight.”Prothom Alo, however, could not verify police version of the incident independently as no version was available immediately either from any witness or from any member of the victim’s family.According to the human rights organisation, Ain o Salish Kendra (ASK), a total of 421 people were killed in alleged gunfights, crossfires or shootouts with the law enforcement agencies in 2018.In January and February of 2019, the number of such killing was 50, the rights body said on its website.last_img read more

Incoming Delegates Antonio Hayes and Cory McCray Discuss Their Vision for Leadership

first_imgAntonio Hayes (R) and Cory McCray, newly elected delegates in Baltimore. (Photo by Roberto Alejandro)As the significance of last week’s electoral outcomes continues to unfold, a new, younger crop of delegates are reshaping what the Democratic party looks like in Baltimore City and Maryland. These newly elected leaders are less concerned with the civil rights and social issues that have dominated Baltimore’s political class since the 60s. They are now more focused on how they can use their office to create economic opportunities that move residents beyond the middle class.Recently, newly elected delegates Antonio Hayes (D-40th) and Cory McCray (D-45th) sat down with the AFRO to discuss their approaches to campaigning and their visions for how to bring greater economic opportunity to a city that has over 23 percent of its population living below the poverty level. Both delegates won their primary victories last June by combining a broad outreach strategy focused on social media for younger voters and a more targeted effort for long-term, older voters.“One thing we’re doing is we’re communicating better,” said McCray. “ We’re on Facebook, Twitter [and] Instagram. We’re emailing you. We’re knocking on your door.  We’re phone calling you. It’s a concentrated effort to get you to understand the issues we care about, whether it’s good government or economics. ”Hayes notes that the majority of his Instagram followers are newer voters. She believes  that it was just as necessary to engage these newer, younger, voters on a social media platform as it was to knock on their door and have a conversation with them. “[Social media] communicates a different message to them about your level of commitment. Because you’re in their neighborhood, you’re on their ground,” said Hayes about the importance of combining new and more traditional campaign outreach.But effective outreach is only part of the story. Both candidates credit messaging with their success in this year’s primary and general elections. Hayes notes that younger voters are less interested in the civil rights and social justice messages that were at the forefront of previous generations’ concern.“There’s definitely added advantage to talking about economic policies, which are becoming more appealing to the future generation,” said Hayes. “They’re really looking to step out there on their own and do some stuff, and figure out how they fit into the larger thing we call Baltimore and the state of Maryland. When you start talking about economic empowerment, you’re getting their attention.”McCray noted that, while the city as a whole may be seeing an approximately 23 percent poverty rate, in his district it is closer to 50 percent. This dismal figure is despite the fact that his district alone has seen $2 billion in development over the course of the last five years. “Folks want jobs in the community. They want to figure out how can they go to work,” said McCray.For both delegates, it is not enough to create jobs offering $10 per hour if these employment opportunities do not generate meaningful wealth or help employees save for their future.McCray, who is an electrician by trade and an organizer for the International Brotherhood of Electrical Workers Local 24, believes that one of the best ways to create the sorts of living wage jobs that are essential to broader economic growth. He stressed the importance of strengthening union apprenticeship programs in order to ensure city residents have the necessary skills to do the jobs that are coming to their neighborhoods.In a similar vein, Hayes would like to see the city take better advantage of its two-year academic institutions to make sure they are training students for the city’s growth industries.Having a workforce capable of doing the job is only one part of the equation. Both delegates argue that the city and its representatives need to do more to ensure local hiring when developers or institutions are coming to the city or state for money or tax credits for their development projects.Hayes emphasized that the willingness of the state to grant assistance to such projects should be predicated not only on acceptable levels of local hiring, but on adequate levels of local procurement as well.“Just a small percentage of that [development] money can mean a whole lot to a little mom and pop store down on Washington Blvd,” said Hayes. “We have to make sure that we’re good stewards of those resources as they’re coming through the community. We have to hold their feet to the fire to make sure they’re reinvesting them.”McCray notes that the path to development is increasingly coming through public-private partnerships. These programs are typically funded when government dollars are combined with private investments. He says the key is to making these programs successful is to ensure that all parties walk away feeling like winners. McCray further adds that it is necessary for city officials in Baltimore to move away from low-bid contract models and to look to which partnerships offer the greatest value to the city.He says, “[We must ask,] ‘What is your economic plan to make sure we do local hiring?’  ‘What is your economic plan to make sure that we’re more inclusive?’ If that person has a better value in reference to local hiring and this person has the lowest bid, who do you think that [contract] should go to? [We’ll go with] the guy [who] has the plan [and who] wants to move us in the right direction. It’s about both [of us] winning.”last_img read more

Spinning Orbita Mouse Available in January

first_img This document is subject to copyright. Apart from any fair dealing for the purpose of private study or research, no part may be reproduced without the written permission. The content is provided for information purposes only. Explore further It looks like a large shiny button, but the round object is actually the world’s first wireless three-axis mouse, according to its designers, an Australian technology company called Cyber Sport. The company designed the Orbita mouse to overcome some of the limitations of conventional mice by replacing the conventional scroll wheel with a 360° spinning “jog wheel.” An oracle for object-oriented programmers Citation: Spinning ‘Orbita’ Mouse Available in January (2008, December 15) retrieved 18 August 2019 from https://phys.org/news/2008-12-orbita-mouse-january.html Cyber Sport’s Orbita mouse replaces the scroll wheel with a spinning jog wheel for more intuitive navigation. Image credit: Cyber Sport. Cyber Sport says that the new mouse provides a more intuitive control center, better ergonomic handling, and higher efficiency. Rather than scrolling down a page with jerky vertical finger movement, users of the Orbita mouse can navigate by rotating the mouse left or right in a natural dialing motion.The Orbita mouse has a small white button at the top, which serves as the orientation button. Pressing that button calibrates the mouse in the same direction as the arrow on the screen is currently pointing, so that left, right, up, and down navigating directions are based on that orientation. The orientation feature is particularly useful for navigating in 3D gaming environments, Google Earth maps, and 3D CAD designs. The mouse could also have advantages in audio and video applications for frame-by-frame manipulation. Because the mouse can be used at any angle, the buttons can also be used at any angle. The mouse has one “push” button and a series of “squeeze” buttons to serve as a “right click.”A third button, the “jog dimple” button, can be used to either spin the mouse or it can work like a standard scroll wheel button on a conventional mouse. By pressing this button, users can also switch between vertical and horizontal scrolling. Besides rotating the mouse with a finger, the device is sensitive enough that users can flick it to make it spin freely and continuously. The Orbita mouse, which works with both Macs and PCs, will be sold for $98.50 starting in January 2009. More information: http://www.cyberesport.com/via: Engadget© 2008 PhysOrg.comlast_img read more

The optomechanical Kerker effect Controlling light with vibrating nanoparticles

first_img © 2019 Science X Network Credit: Poshakinskiy & Poddubny. “Even though the light scattering has been understood for more than a century after the works of Rayleigh, Raman, Landsberg and Mandelstam, it remains both a fundamental and applied challenge to route light scattered at the nanoscale in the direction at will,” Alexander Poshakinskiy, one of the researchers who carried out the study, told Phys.org. “The ability to control the direction, frequency and polarization of the scattered light is essential for operation of optical circuits.”Devices that can control the direction of scattered light could have numerous useful applications, particularly for the operation of antennas and routing of light. In the 1980s, researchers theorized that a directional scattering of light can be achieved via the so-called Kerker effect. This effect essentially exploits the interference of electric and magnetic dipole emission patterns, which have different spatial parity, yielding the suppression of forward or backward scattering when they are superposed. “Realization of the conventional Kerker effect requires the particles to have electric and magnetic polarizabilities of the same strength,” Poshakinskiy said. “However, this is challenging because magnetic response at optical frequencies is extremely weak. A possible workaround is to use large submicron-size nanoparticles hosting both electric and magnetic Mie resonances. However, optical Kerker effect for the particles smaller than the wavelength in the medium is still unfeasible. In our work, we show that even small particles, that lack magnetic response when at rest, do acquire it when they start trembling in space, enabling realization of what we call optomechanical Kerker effect.”In the optomechanical Kerker effect, proposed by Poshakinskiy and his colleague Alexander Poddubny, the tunable directional scattering of light is attained for a particle that lacks magnetic resonances as it trembles in space. The trembling motion of the electric dipole in space leads to the appearance of a magnetic dipole, as one could expect from the Lorentz transformation. This document is subject to copyright. Apart from any fair dealing for the purpose of private study or research, no part may be reproduced without the written permission. The content is provided for information purposes only. More information: A. V. Poshakinskiy et al. Optomechanical Kerker Effect, Physical Review X (2019). DOI: 10.1103/PhysRevX.9.011008 Journal information: Physical Review X Explore further Citation: The optomechanical Kerker effect: Controlling light with vibrating nanoparticles (2019, March 6) retrieved 18 August 2019 from https://phys.org/news/2019-03-optomechanical-kerker-effect-vibrating-nanoparticles.html For the Kerker effect to occur, particles need to have electric and magnetic polarizabilities of the same strength. This, however, is very challenging to achieve, as magnetic optical resonances in small particles are relatively weak. Researchers at Ioffe Institute, in St. Petersburg, have recently shown that a similar effect can be attained when small particles are trembling in space. Tiny particles with varied shapes scatter light in useful and unusual ways “We show that magnetic and electric dipole induced in the trembling particle by incident light counterintuitively are of the same order when inelastic scattering is considered,” Poshakinskiy explained. “The phase difference between the electric and magnetic dipoles is governed by the frequency dependence of the particle permittivity. For a resonant particle, this enables control of the scattering direction via the detuning of light frequency from the resonance: The light is scattered preferably forward at resonance and backward away from it. ” The researchers show that in the optomechanical Kerker effect, the figure of merit that quantifies how much of the light is scattered in a particular direction compared to all other directions (i.e. directivity), can be as high as 5.25. This exceeds the directivity of 3 attained in the classical Kerker effect, due to the additional electric quadrupole momentum induced by the mechanical motion. In their study, Poshakinskiy and Poddubny also introduced a second effect, which they refer to as ‘the optomechanical spin-Hall effect.’ In this effect, a directional inelastic scattering of light, depending on its circular polarization, is realized for a small trembling particle.”The optomechanical spin-Hall effect can be achieved when a particle vibrates around a circular trajectory rather that a straight line,” Poshakinskiy said. “We show that the angular mechanical momentum of the particle can be transferred to the spin of light. Then the electromagnetic waves scattered by the trembling particle to the left and to the right attain opposite circular polarization.” The findings gathered by Poshakinskiy and Poddubny suggest that the interaction between light and mechanical motion has an intrinsically multipolar nature. This quality could be exploited in a variety of systems, ranging from cold atoms to two-dimensional materials and superconducting qubits. “We believe that the proposed optomechanical Kerker opens a new multidisciplinary field by uncovering, for the first time, to our knowledge, a highly untrivial link between optomechanics and nanophotonics,” Poshakinskiy said. “From a practical point of view, the proposed effects can be used to design non-reciprocal nanoscale optical devices.”Optical non-reciprocity, meaning that light is transmitted forward and backward through an optical circuit differently, is crucial for optical signal processing. Most existing non-reciprocal optomechanical devices are based on optical resonators, which limit their minimal size to sub-microns. The results collected by Poshakinskiy and Poddubny show that tunable optomechanical non-reciprocity can also occur at nanoscale when using small trembling particles with resonant polarizability. “Optical non-reciprocity is also a key ingredient for the design of photonic topological circuits,” Poshakinskiy added. “In an array of trembling particles, one can expect a disorder-robust propagation of light and sound, ensured by the time modulation of optical and mechanical properties.”The study carried out by Poshakinskiy and Poddubny shows how the tunable directional scattering of light can be achieved at nanoscale, introducing the optomechanical Kerker and spin-Hall effects. In the future, their findings could have several interesting applications, for instance, informing the design of non-reciprocal topological circuits. The researchers are now planning to demonstrate the optomechanical Kerker effect in lab experiments. “The proof of concept would be observation of the directional backscattering by trembling objects, which can be realized even away from material resonances,” Poshakinskiy said “We believe that this can be done in a variety of systems e.g., semiconductor quantum dots, transitional metal dichalcogenides or graphene. However, the key feature of the optomechanical Kerker effect is the possibility to switch the direction of scattering between forward and backward. This requires particles with extremely sharp resonances in their electromagnetic response. Our estimations show that such switching can be realized for cold atoms in optical traps or superconducting qubits in radio-frequency circuits.”last_img read more

Satellite homes in Germany grew by 100000 in the

first_imgSatellite homes in Germany grew by 100,000 in the first half of this year to reach 17.6 million, despite analogue switch-off in April, according to figures compiled by satellite operator SES.According to SES’s Satellite Monitor, compiled by TNS Infratest, cable households fell by 300,000 to 17 million in the same period, while digital-terrestrial TV homes, boosted by switchover, reached two million by the mid-year point. IPTV homes reached 1.4 million, up 100,000 on the year-end figure.HD homes numbered 7.2 million, with 41% of satellite homes watching HD content.Ferdinand Kayser, chief commercial officer of SES, said: “These are outstanding results, especially for the transition of the analogue switch-off. Satellite is more popular than ever in Germany. The reason for our growth is simply that consumers value the benefits of linear satellite TV, combining unique picture quality with a large variety of channels. With new product initiatives like Sat IP, we will enable the reception of satellite TV on IP-based devices and thereby contribute to developing even further the capabilities of satellite, the most popular reception mode, for the benefit of all its current and future users.”last_img read more

TV is on track to succeed the PC as the top platfo

first_imgTV is on track to succeed the PC as the top platform for watching online video in the US, with TV viewing habits increasing as PC viewership declines, according to new research by Parks Associates.The research firm claims that in the first quarter of this year, US broadband users watched roughly three hours per week of online video on TV sets and PCs. However, for TV this was up from 2.3 hours per week in Q1 2013, while online viewing on PC is in “steady decline.”Parks’ report said that 81% of US broadband households watch video on TV, while 60% watch content on a computer, 31% on a smartphone and 28% on a tablet.The PC was the only platform to show “any significant decline in video viewing in the past year,” according to Parks.“Ultimately, consumers can more easily access online video options on a television than ever before,” said Brett Sappington, director of research, Parks Associates.“In addition to smart TVs, Blu-ray players, and game consoles, consumers are also buying streaming media players and devices such as Google’s Chromecast. Pay-TV providers are making a strong push to extend TV Everywhere to a variety of devices. These trends are converging to displace computer-based video consumption.”last_img read more