Juventus boss Max Allegri admitted the club played the best game of their season so far against Udinese suggesting they can build on their success onwards.The Bianconneri have made a perfect start to the campaign, winning all 10 competitive games, including the recent 2-0 away win to Udinese.“We worked hard to ensure we got off to a strong start this season. It was a difficult game, I think we played perhaps our best of the season, allowing Udinese practically nothing,” the Coach told Football Italia.Juventus confirm Mario Mandzukic could leave this month Andrew Smyth – September 14, 2019 Sporting director Fabio Paratici confirmed reports that Mario Mandzukic could leave Juventus for a move to an unnamed Qatari team.“It could’ve been at risky fixture, but we showed great maturity and determination. The lads know what we are working on, at times we have been a little complacent after taking the lead, but we didn’t do that today.“Rodrigo Bentancur impressed me in midfield, both tactically and technically, then, of course, he scored the goal. I think above all, we are not too hasty, but move the ball around quickly and all over the field to make the most of the great technical qualities at our disposal.“The break for international duty came at the right time, though, as we needed a rest. We need to set new targets every time, which now is a series of clean sheets. If we don’t keep setting ourselves targets, we risk resting on our laurels.”
Arsenal manager Unai Emery was full of praise for Bukayo Saka’s “big personality” after their 1-0 Europa League win against Qarabag FKThe 17-year-old winger made his full debut for the Arsenal senior team on Thursday night and impressed greatly in the second-half at the Emirates Stadium.In fact, Saka nearly capped off a superb performance by becoming the club’s youngest goalscorer in Europe after shooting the ball into Qarabag goalkeeper Vagner’s face in the dying moments.“Every young player, we have the responsibility to give them chances, first to train with us and to be demanding with their performances,” said Emery on Arsenal.com.“We give them these chances in the games like today, when we can do that. They show us in every match positive things.“Today Saka also played with a good performance, with a very big personality and we were speaking at half-time.Premier League Betting: Match-day 5 Stuart Heath – September 14, 2019 Going into the Premier League’s match-day five with a gap already beginning to form at the top of the league. We will take a…“His personality is very important for us to continue trying to go 1v1 and break lines with his quality.“He played with a very big personality and sometimes with a very good performance.“It’s very important for his confidence and for us also, because we can look at this player and see quality to help us.”Alexandre Lacazette scored the only goal of the game as Arsenal finished as Group E winners with 16 points from six games.The Gunners will next take a trip to St Mary’s to face Southampton in the Premier League on Sunday.
Manchester United caretaker manager Ole Gunnar Solskjaer believes rattling Paul Pogba is key to bringing out the best from the Frenchman.United continued their 100 perfect start to life since Solskjaer was appointed as caretaker manager in December following their 2-0 win against Newcastle United at St James’ Park.Pogba has been one of the most improved players since the Norwegian took over, with the World Cup winner scoring four goals and creating three assists in his last four games for the Red Devils.Liverpool legend Nicol slams Harry Maguire’s Man United form Andrew Smyth – September 14, 2019 Steve Nicol believes Harry Maguire has made some “horrendous mistakes” recently, and has failed to find his best form since joining Manchester United.Solskjaer believes tapping into the aggression of the former Juventus star which was on display against the Magpies after being fouled by Jonjo Shelvey, has helped him rediscover his form for United.“You need to rattle Paul Pogba at times to get him going; he has been immense for us,” Solskjaer said, according to Standard.United face a tough game after their FA Cup third round tie at Reading on Saturday when they travel to Wembley Stadium to face high-flying Tottenham Hotspur.
CurtCo Publishing has sold Sarasota and Gulfshore Life magazines to Dan Denton, who sold Gulfshore Media to CurtCo in 2004.Financial terms of the deal, which closed late Thursday afternoon, were not disclosed.In connection with the acquisition, Denton has formed Gulfshore Media LLC which is headquartered in both Sarasota and Naples, Florida. The new company will maintain many of the magazines’ current employees. UPDATE: Chris Schulz, who served as president of Gulfshore Media under CurtCo, tells FOLIO: that he will assist with the transition for about a month on a consultancy basis but will leave the company after that time. UPDATE2: Gulfshore Media’s creative director and IT manager also will be leaving the company following its acquisition, Denton says. Denton also owns Florida Home Media LLC, which publishes the Homebuyer magazines as well as Orlando Home & Leisure. Florida Home Media COO Randy Noles will serve in the same capacity at Gulfshore Media, the company says.According to CurtCo CEO Bill Curtis, the company is looking to divest its regional magazines in an attempt to “build upon the amazing growth we are experiencing at Robb Report this year. With our nine international editions and our new investment plans for building an exciting array of online initiatives, we have plenty to keep us busy.”CurtCo also is finalizing deals to sell San Diego and Art & Antiques. According to sources, those deals are expected to close soon.CurtCo was represented in the deal by DeSilva + Phillips. Regional Media Advisors represented Denton and Gulfshore Media.[Editor’s Note: This story previously suggested that Denton launched Sarasota and Gulfshore Life. He founded Sarasota, but not Gulfshore Life.]
10:55 Samsung Event Comments No secure face unlockIn that same vein, because the Note 10 only has a standard front-facing camera, it can’t carry out any secure facial scanning like the iPhone XS’ Face ID and the LG G8’s time-of-flight camera, which maps your face with infrared. Instead, Samsung has stuck with fingerprint scanning, which it moved from the back of the phone to inside the screen.The Note 10’s S Pen. Sarah Tew/CNET No camera in the S PenA rumor speculating that Samsung was going to put a camera inside the Note 10’s S Pen may have seemed far fetched, but it didn’t sound too crazy considering Samsung had apparently filed a patent with the US Patent and Trademark Office, according to Patently Mobile. The patent was for an “electric pen device” that “includes an optical system including a lens and an image sensor.”As we now know, the camera didn’t make it into the S Pen this time around. But who knows what this patent has in store for future Note iterations. For now, Samsung updated the stylus to have more remote control over the phone’s camera. Called “Air Gestures,” you can now switch the camera lens, change camera modes and zoom in and out with the wave of your S Pen. Tags Galaxy Note and Note 10 Plus are here to wow you Galaxy Note 10 and Note 10 Plus look incredible 1:53 No headphone jack and no dongleOne of the most notable features missing from all the Note 10 phones is a headphone jack. The familiar audio port began disappearing in 2016 when Lenovo/Motorola and Apple lopped it off their phones. Since then, the feature became a rarity among premium phones, and up until the Note 10, Samsung’s Note line was one of the last high-end phones to include the port.Those who are eyeing the Note 10 devices will have to make do with using Bluetooth headphones or carrying around a dongle that surprisingly, does not come included with the phone (Samsung is selling it separately for $10 extra). But for others adamant about holding onto their wired headphones, there are still some phones available to accommodate that, including Samsung’s own Galaxy S10 line. The Note 10 welcomes you to the dongle life for $10 more. Sarah Tew/CNET Note 10 bids farewell to microSD Being able to increase your phone’s storage with a microSD card used to be a common capability for Note owners. Unfortunately, the Note 10 will not have expandable storage. Keep in mind that the larger Note 10 Plus still has a microSD card slot, but if you’re considering the 6.3-inch Note 10, you’ll have to make do with just built-in storage. The Note 9’s microSD card slot. Angela Lang/CNET Head of Mobile for Samsung Electronics America Suzanne De Silva told CNET that the company decided to get rid of the microSD card slot so that the phone could be thinner but have a bigger battery. Interestingly, the Galaxy S10 has expandable memory and it’s as thin as the Note 10 at 0.31-inch. The Note 10 also has a smaller battery than the Note 9, which also has room for a microSD card slot.True, the phone’s 256GB of onboard memory should be plenty to store all your photos, videos and apps. But if you’re planning to have the device for years down the line and you don’t use cloud storage, expandable memory is a convenient feature to be able to fall back on.No redesign overhaulWhile it’s true that the New 10 phones come in eye-catching colors like Aura Glow and Aura Pink (in the UK), the devices look relatively the same as last year’s and even the year before. The thinner bezels and smaller hole-punch camera do keep the phone looking modern, but overall the design remains similar. This is in contrast to one particularly interesting rumor that floated around before the Note 10 event. It speculated that Samsung would adopt a completely buttonless design and the Note would have “active edges” that users could squeeze to navigate the phone, similar to the Pixel 3. Though we don’t get a completely buttonless look, at least Samsung removed one button we can all agree we didn’t want: Bixby.The Note 10 in Aura Glow. Sarah Tew/CNET No second selfie camera on Note 10Unlike the Galaxy S10 Plus and the Galaxy S10 5G, none of the Note 10 phones have a second front-facing camera. We somewhat expected one — whether it be a wide-angle camera like the S10 Plus or a depth-sensing camera like on the S10 5G — because the Note 10 usually represents Samsung’s ultraluxe line. However, with more Galaxy phones than ever before, it looks like Samsung isn’t throwing everything but the kitchen sink at the Note 10 anymore. By pulling back on a few features, the Note 10 is now cheaper than the Note 9 was at launch, making the phone more accessible to a wider audience. 62 Photos 15 Share your voice Andrew Hoyle/CNET Samsung’s latest phones, the Note 10, Note 10 Plus and Note 10 5G, serve as the successors to 2018’s Note 9, and they pack many new features for a phone series that has been around since 2011. The Note 10 Plus, for example, is the company’s first “plus” version of its Galaxy Note phone, and the Note 10 5G is Samsung’s second 5G phone, after the Galaxy S10 5G. In addition to the bigger size and next-gen network capabilities, the Note 10s come in an array of new colors and are equipped with updated camera and video editing tools, like AR Doodle. But there are several other things we didn’t get from the Note 10, too — either specs that were dropped from the previous model or features we anticipated because of the active rumor mill that swirled around the phone before it launched. Read on to see what Samsung didn’t deliver at its Aug. 7 Unpacked event, and tell us what you want to see in the next Note phones. Are you going to buy the Note 10 or are you waiting for something better? Now playing: Watch this: 3D scanner brings real objects to life on the Galaxy… Now playing: Watch this: Mobile Phones Samsung
SreemukhiTwitter/StarMaaTasks that are given to the contestants in Bigg Boss house are pretty much fun to watch. Most of the times, these tasks also show us the true and genuine side of the housemates.But recently a task was given to the third season’s contestants of the Telugu reality show according to which they had to share the emotional stories of their lives. As all the contestants began sharing and narrating their stories the audiences were also left emotional and teary-eyed.They shared all of their painful stories because of which we got to see a different side of our chirpy and cheerful contestants.Beginning with Ravi Krishna, the small screen actor shared his story about why he regretted coming to the film industry and how he ended up becoming an actor. He said this because he feels that pursuing higher education would have definitely helped him in bagging a good job in the US.Baba Bhaskar shared his touching story of losing his father and said, “I didn’t care about my dad when he is alive and even if I cry now, he won’t come back. So take care of your parents when they are alive”. Baba BhaskarTwitter/StarMaaJaffar, the popular host from TV9, shared his story about his sister. How he and his family ditched his elder sister who married a guy from other religion and she went into a coma after getting paralysed for the third time.Punarnavi shared the story of a friend, who died in the terrorist attack on Easter in Sri Lanka this year and told about how she has failed in talking/meeting him every time he tried to. Sreemukhi spoke about how she had failed in getting to see her grandfather for one last time before he passed away which left the housemates also in tears.
Prothom Alo illustration Covered in blood, a garments factory worker was brought by her friend and an auto-rickshaw driver to Mohammadpur police station in the capital on a night in March 2004. A gang-rape case was filed around 1:00am.Police seized the victim’s pyjamas, chemise, kameez and scarf, all blood-stained, as evidence of the incident.The case statement said the garments factory worker was returning home from work around 9:00pm. Two acquaintances came up, covered her mouth with their hands and dragged her to a slope on one side of the road. She was raped there by one of these men, along with two other strangers and the supervisor of a nearby building. They later left her in front of a shop.Police had detained the supervisor and accused him in the case. The two acquaintances were let off the hook as the police could not find their addresses. The other two unknown persons remained traceless.The trial has been underway at the women and children repression prevention tribunal-4 in Dhaka for 14 years. The accused supervisor has fled after being released on bail.There were 14 witnesses of the prosecution. The judge recorded the victim’s deposition in 2005. The deposition of four others, including a physician, was also recorded. But since April 2016, neither the police nor the public prosecutor (PP) could produce any witness before the court.The girl was treated at the one-stop crisis centre (OCC) of Dhaka Medical College Hospital. Later, a non-governmental organisation gave her shelter.She has been traumatised by the incident.A counsellor at the shelter centre said, for six months she didn’t talk to anyone and used to curl up in a dark corner for hours.Her family did not stand by her at that time.Senior researcher of the International Centre for Diarrhoeal Disease Research, Bangladesh (ICDDR,B) Ruchira Tabassum Naved, who has been working for around 20 years on violence against women, said, “Rape victim, women or children suffer from post-traumatic stress disorder (PTSD). This is something experienced by those who go to war or go through similar traumas.”It is very difficult for a victim to emerge from this situation on her own.“Filing a case or seeking justice is a huge task. The girl needs strong support to do something like that,” Ruchira said.In such cases family support is essential. But, the fear of disgracing the family, fear that no one would believe her, holds her back from seeking justice.Lawyer Maksuda Akhter, director, advocacy and lobby of central legal aid sub-committee of Bangladesh Mahila Parishad, said, “The fear is real.”She said, negotiations in salish (out-of court settlements) are sought first. Many on the prosecution side-police officers, physicians, and prosecutors-share a common tendency to put the blame on the woman if she files a case.In another incident, another garments worker filed a gang-rape case with Uttara police station in Dhaka in 2003. The statement said two previously acquainted men told her they had found a good job for her. They took her to a house and raped her there.Medical reports said she was recently subjected to forceful sexual intercourse while chemical tests said there was presence of “human semen” on her pyjamas.The investigation officer of the case submitted a charge sheet against the accused. He, however, also said he has come to learn from “open and confidential investigations” that both the accused had a love affair with the woman, who was abandoned by her husband. Both of them had maintained “objectionable” relations with her.The judge of the women and children repression prevention tribunal-2 in Dhaka released the accused person after 12 years of starting the trial as police and PP failed to produce any witness including the victim.According to Prothom Alo findings, out of 5502 cases filed over the incidents of rape, murder after rape and gang rape in the past 15 years, the accused were punished in only 3 per cent of the cases.The police stations which witnessed the highest numbers of rape cases were located in the areas where the number of poorer people and garments workers is high.Prothom Alo scrutinised 52 of the cases. Most of the cases were filed by low income persons, either day labourers or housemaids or garments workers.Proving rape is a very complex process. Negligence in investigations makes the case proceedings lengthy and these lengthy cases hardly see any results.The findings also revealed that support from the family members of the victims decline due to increasing litigation costs, complexities, and social pressure. This forces the victims to seek out-of-court settlements (shalish). Also, the suffering of the victims escalates in course of time as they do not have enough knowledge of the litigation process.They lose confidence in the judicial process. The atmosphere at the police stations and courts and medical centres are also devastating to the victims, show the findings.From police stations to hospitalLawyer Maksuda, who has been in the profession for 30 years, said in the beginning of a rape case, the victims face suspicion. She said, police ask the victims if they went there on their own or if they were paid.She added that the victims were even branded as professional sex workers.Maksuda also said, “They are suspected of being involved in a love affair or have had sex with consent.”Dhaka Metropolitan Police (DMP) commissioner Asaduzzaman Mia said a female and child-friendly desk has been opened at every metropolitan police station.“Female police run the desk. The DMP women support and investigation division has female employees, too,” he added.DMP’s additional deputy commissioner (Motijheel division) Monalisa Begum said, “We are trying to remove the adverse environment at the police stations. Women-friendly officers are also required.”“Also, supervision of investigation by senior police officers must be intensive,” she observed.The physicians examine the whole body, particularly the vaginal area for signs of forceful sexual intercourse. This requires the victim’s consent. But the whole process adds to the victim’s trauma.Male physicians mostly conduct the medical tests due to lack of female forensic experts. This also discourages most of the victims, the finding added.The so-called two-finger-test, which has recently been prohibited by the High Court, has been used to examine the vaginal canal, its laxity along with the signs of injury and the condition of the hymen.Sometimes the physicians write that the girl is habituated to sexual intercourse. According to the forensic experts, the language is unscientific and irrelevant to substantiate rape incidents.A report on a raped child reads ‘old ruptures of the hymen’. Such comments are used to brand the woman or child to be of generally immoral character.There are allegations of bribery to change forensic reports.Asked about the matter, forensic expert Sohel Mahmud said he found this allegation ‘hard to believe’.Humiliation at the courtThe public prosecutors (PPs) at the tribunals say, they cannot make the witnesses, either the victim or the plaintiff, to come before the court for testimonies. This is one of the main reasons for delay in trial and lack of conviction.Tribunal-1’s PP Md Abdul Bari said, “Judges ask court officials to make phone calls to the plaintiffs. We also contact them, but they don’t receive our phone calls.”Lawyer Maksuada said, “The victims need coordinated support along with the case proceedings, which is not available.”Prothom Alo findings also show that a victim of the much-talked-about Banani hotel rape case had to come to the court for three days before she could give her testimony. She was not heard by the court on the first two dates set for recording her statement. On one such date, the Prothom Alo reporter was present at the court. He overheard many snide remarks directed towards her, even by the court officials.Prohibiting the two-finger-test, the HC asked the judicial court to ensure that the victims are not asked humiliating questions over the rape.Defence lawyers also try to prove a victim of rape immoral since, according to section 155 (a) of Evidence Act, questions can be raised about the deposition of an immoral victim.The Supreme Court advocate Shahdeen Malik said rape offence has nothing to do with whether the girl is moral or immoral.The section actually has added to the harassment of the victim, he observes.The victim has to recount before the court how she was raped. The special law of 2000 to prevent repression of women and children dictates, if the victim wants or the court decides it appropriate, then it can hold a closed-door hearing or camera trial in rape cases.Khandaker Mahbub Hossain, an experienced lawyer in criminal cases, doubts the number of petitions ever filed over this.”The PP should ensure the closed door hearing. It is the PP who must save the plaintiff from obscene questions of the defence party. And, it is the judge’s responsibility to save the victim from being humiliated.”The security of the witness is also a crucial factor in case of the defence party’s strong political liaison and wealth.Haunted by fearThe girl was 16-17 years old in 2013. She lived with her parents in Dhaka and was training in tailoring. One of her friends took her to the river Buriganga river for a boat ride one day.Three men from another boat forcefully boarded their boat and took them to a solitary char (river island). They raped her after tying up her friend. Later, seven more men raped her in turns.The girl was bleeding and injured all over. One of the rapists took her to his home. The girl told her sister everything over phone. Her sister came and admitted her to hospital. She also filed a case with Keraniganj police station alleging gang rape.The physician got rape evidence. The detailed statement the victim presented before the magistrate was horrific.The police arrested seven perpetrators. Two of them came up with a statement to the magistrate that the girl’s friend had negotiated to hand over her to them for Tk 1,500 and the girl also had consent.In this case, 10 persons including the friend were indicted. The tribunal-1 has completed recording testimonies by four witnesses. But, neither the girl nor anyone in the family showed up in court. The lawyers said they were not attending in fear of the defendants.When the Prothom Alo correspondent went to the family’s rented quarters in Dhaka, one of the relatives of the landlord said, they left the place soon after the incident. No member of the family could be traced even at her village when the correspondent went there too.’False’ caseAminul Haque Ghani, who moved as a defence lawyer in a number of such cases, says, “Most of the rape cases currently running in the court are to harass people.”The special law of 2000 to prevent repression of women and children has given right to file a counter case. But, such examples are rare.The additional DIG of CID police Sheikh Rezaul Haider said he had seen some false cases filed due to land disputes in villages.The DMP deputy commissioner Monalisa Begum added that most of the rape cases were genuine. There were exceptions in the cases connected with ‘relationships’ and ‘rape’ she added. “These cases are complicated in character.”Relationships and promises of marriageThe Women and Children Repression Prevention Act-2000 has defined rape after the section 375 of the 1860 criminal procedure code. It states that, rape involves intercourse with someone other than one’s wife, and over the age of 16, by force or by deception.Intercourse with a girl under 16 years of age is always a rape. Though, it is different in case of a wife. If she is not under 13 the penal code does not have any scope to considering this as a rape.Many of the police officers and PPs have questions on the issue of cheating. This section is used for accusations of rape on making promises of marriage.PP Abdul Bari has seen many such cases being filed long after the crime. If the woman is an adult, she claims she was picked up, bluffed that marriage was on the cards, and then raped. As a long time elapses following the incident, no evidence is found.Bari said, “It becomes evident that they lived together willingly. The defendant then says, nothing happened by force.” So the case cannot stand and settlements take place.A mother, in a case filed in 2008, complained that a youth known to their family raped her daughter who was a garments factory worker, after promising to marry her. They rented a house in Kamrangichar of the capital. The mother filed a case after the girl had conceived.The girl’s mother and brother said the girl gave birth to a baby while the case was under trial. They settled the matter with the rapist as he agreed to marry her.As per the settlement, no one went to testify before the court. But the youth left the girl once the Tribunal-2 acquitted him from the case in 2016.Now he does not even bear the child’s maintenance costs.Reality of settlementPP Abdul Bari said, he has seen the instances of acquittal in cases even though there were evidence of gang rape of a minor girl by her “lover” and his “friends”.Most of the rape victims come from impoverished families. They settle the matter outside court. In some cases, they either testify that no such incident happened or they do not even come forward to testify.Human rights lawyers said the pressure to negotiate intensifies once the trial procedure delays. The families of victims face different kinds of pressure, to which they ultimately give in.Dhaka district and session judge court public prosecutor (PP) Khandaker Abdul Mannan said practice of such settlement should be stopped by any means.The state or prosecution should strictly oversee the matter so that rape cases are not settled outside the court. Even the court should declare the witness as hostile if s/he tries to testify in favour of the accused.Settlement benefits allInvestigating some cases, Prothom Alo finds that complainants are not the only ones seeking arbitration or settlement processes. And such arrangements are lucrative for the third parties as well.Advocate Maksuda said powerful quarters like local political leaders and elected members of union council generally lobby for the accused. Police and prosecutors remain active in favour of the accused in police stations and courts. They sometimes arrange marriage between the accused and victim. They are financially benefitted from the settlement.Tribunal-5 PP Ali Asghar claimed they remain in the darkness about the settlement.“Defendants think that if we inform the PP, s/he would intervene. And the plaintiff thinks PP would ask for money if s/he knows about the matter.”He, however, agrees sometimes three parties get involved in the settlement process.“If someone is dishonest, it is solely his personal choice,” he added.Former inspector general of police Nur Muhammad says, there is no scope of denying allegations of bribery or unlawful transactions for detouring a case. And both the parties, those who take and those who give, are responsible for this. He thinks strong supervision by senior police officials could improve the situation.Lawyer Shahdeen Malik believes the state can easily hasten the process of justice. But it does not bother meting out justice for those poor women.No one cares!A 12-year-old girl was raped in 1999. She lived with her aunt in a slum in Dhaka. One day a neighbour took her to some security guards of a building. Two guards raped her on the rooftop of the house. Then another man raped her.Police arrested four persons following the filing of a gang rape case with Gulshan police station.Tribunal-2 began the trial in 2002. But after 17 years, all the accused got acquitted as the police and PP failed to produce any witness. By the time, one accused died.What about the girl?Nobody knows as her details are not written anywhere. Her fading fingerprinted signature at the end of the case complaint remains to be the only proof that once she was there.*The report, originally published in Prothom Alo Bangla print edition, has been rewritten in English by Shameem Reza, Toriqul Islam, Nusrat Nowrin and Galib Ashraf
Episode 8: Riley SchindlerThe Riley Schindler FileNumber: 4Full name: Riley Michele SchindlerNickname: RiClass: SophomorePosition: OutfielderBats/Throws: R/RHometown: Borden, Ind. High School: BordenTravel Team: OC EliteMajor: Sport AdministrationFun Fact: She was a cheerleader for eight years. Print Friendly Version The University of Louisville Softball Player Spotlight series features short interviews with each of the Cardinals’ players. Episode eight features sophomore Riley Schindler. Story Links
(Phys.org)—Researchers from the University of Michigan working in collaboration with associates from the US Air Force have created a new type of surface cover that repels oils, water, alkali solutions, acids and even non-Newtonian fluids. In their paper published in Journal of the American Chemical Society, the researchers describe their new material and the different ways it can repel various liquids. The material they’ve created works due to two separate aspects: its chemical structure and its physical layout. It’s based on a very small gauge steel mesh which has been coated with polymer (PDMS and POSS) beads. The unique pattern laid down limits surface area and has an overhanging structure that limits adhesion. Also, tiny air pockets between the beads prevent materials from actually touching other parts of the surface, preventing liquids from getting a grip.The researchers explain that surface repellents work in general by limiting the wetting hysteresis – the amount of deformation that occurs when a liquid hits a surface. Ideally the contact angle at both the front and rear of a drop remain the same – the result is a lessened impact area. In practical terms this means that the more a drop remains formed like a drop when it strikes, the less likely it is to adhere to a surface. Play Credit: J. Am. Chem. Soc., Article ASAP, DOI: 10.1021/ja310517s PausePlay% buffered00:0000:00UnmuteMuteDisable captionsEnable captionsSettingsCaptionsDisabledQuality0SpeedNormalCaptionsGo back to previous menuQualityGo back to previous menuSpeedGo back to previous menu0.5×0.75×Normal1.25×1.5×1.75×2×Exit fullscreenEnter fullscreen Play Credit: J. Am. Chem. Soc., Article ASAP, DOI: 10.1021/ja310517s The researchers demonstrated the material’s ability to repel liquids by shooting various liquids through a small jet at a covered surface and filming it as it bounced off instead of adhered. They also demonstrated that the covering also provides protection from chemical attack by dunking a coated aluminum plate into several acidic solutions. Its strength in doing so, the team explains, comes about from the same properties that prevent adhesion. If an acid cannot touch a surface (because of the air pockets) it cannot destroy it. 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. Play Credit: J. Am. Chem. Soc., Article ASAP, DOI: 10.1021/ja310517s Researchers have found it particularly difficult to develop surface covers that repel liquids that contain polymers, particularly non-Newtonian fluids. This is because such substances tend to deform almost immediately on contact. Thus, the challenge has been to discover a way to cause such fluids to retain their shape as they drop onto a surface. With the new material, the overhanging, eave-like edges of the beads prevent the liquid drop from distending while also preventing it from reaching an adjacent part of the surface. That limits the amount of distension and thus the deformation of the drop. More information: Superomniphobic Surfaces for Effective Chemical Shielding, J. Am. Chem. Soc., Article ASAP, DOI: 10.1021/ja310517sAbstractSuperomniphobic surfaces display contact angles >150° and low contact angle hysteresis with essentially all contacting liquids. In this work, we report surfaces that display superomniphobicity with a range of different non-Newtonian liquids, in addition to superomniphobicity with a wide range of Newtonian liquids. Our surfaces possess hierarchical scales of re-entrant texture that significantly reduce the solid–liquid contact area. Virtually all liquids including concentrated organic and inorganic acids, bases, and solvents, as well as viscoelastic polymer solutions, can easily roll off and bounce on our surfaces. Consequently, they serve as effective chemical shields against virtually all liquids—organic or inorganic, polar or nonpolar, Newtonian or non-Newtonian. Citation: Researchers create super-repellant surface material (w/ video) (2013, January 9) retrieved 18 August 2019 from https://phys.org/news/2013-01-super-repellant-surface-material-video.html PausePlay% buffered00:0000:00UnmuteMuteDisable captionsEnable captionsSettingsCaptionsDisabledQuality0SpeedNormalCaptionsGo back to previous menuQualityGo back to previous menuSpeedGo back to previous menu0.5×0.75×Normal1.25×1.5×1.75×2×Exit fullscreenEnter fullscreen © 2013 Phys.org Journal information: Journal of the American Chemical Society Explore further Research duo discover why non-Newtonian fluids harden on impact PausePlay% buffered00:0000:00UnmuteMuteDisable captionsEnable captionsSettingsCaptionsDisabledQuality0SpeedNormalCaptionsGo back to previous menuQualityGo back to previous menuSpeedGo back to previous menu0.5×0.75×Normal1.25×1.5×1.75×2×Exit fullscreenEnter fullscreen
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