WILMINGTON, MA — This is the third in a series of profiles celebrating the five recent WHS graduates who played on this year’s varsity softball team.Antonia KieranThe motto of the Wilmington High School Varsity Softball team is “Hard work beats talent when talent doesn’t work hard.”. Antonia Kieran is molded into this saying. Antonia started playing softball at the age of 6 years old with Wilmington little league in the U8 division. You could see immediately that she fell in love with the game at this age.It wasn’t until U-10 that she found the position that she would fall in love with and that was 1b. Throughout the years she played first and pitched in Wilmington in town playing with Dan Ardito and Billy Norman on the summer travel teams. She attended every clinic that was offered through the town in hopes of becoming an elite softball player.Her second year of U-10 she wanted to try out for a travel team that the Noreasters was putting together where her grandfather had spent many years coaching. At the end of tryouts they decided not to put a team together because they didn’t have talent. The director told Antonia’s grandfather that she would never be a good softball player with her skill set.Antonia took this to heart and made it her mission to get better. She went down to the field and practiced every single day on defense. It was her mission to become one of the better defensive players in her age group. The following season with her hard work and dedication she made a U-14 travel team as a first year 12 year old. Playing with the Noreasters for the last 8 years, her skills improved tremendously.As an 8th grader Antonia played Freshman High School softball and played first base every time. As a freshman, she made Varsity and was 2nd in line behind a senior first baseman. The first few games Antonia was chomping at the bit to get an opportunity to show the coaches what she had. By the third game she finally got her opportunity to play and was outstanding in a game versus Stoneham. She made several key plays and never left 1b again for the next four years. Throughout her career at Wilmington High School she made less than 5 errors defensively. She was named Captain her senior year, and a 3 time 300 club earner. She was also named Middlesex League Allstar her senior year. She was referenced in the last edition of the town crier as one of the best defensive first baseman since the late 1990s.Antonia’s parents Tim Kieran and Lisa Faretra would attend all of Antonia’s games throughout her career. Her dad coached her for many years until the age of 16. If you were to ask him what he is most proud about Antonia’s softball career he would tell you that she is the most dedicated and hardest worker he has ever seen. His proudest accomplishment of Antonia is when the director of the Noreasters approached him and stated, “I don’t know what she did but Antonia has become a phenomenal softball player”Antonia’s passion for the game is shown through her heart and dedication; constantly volunteering for clinics to help younger players get better at the game. Antonia will be attending Lesley University where she will continue playing the game that she is so passionate for. She will be studying Higher Education in math in the hopes of one day becoming a high school math teacher and a varsity softball coach.Antonia Kieran(NOTE: The above profile is from Wilmington Little League.)Like Wilmington Apple on Facebook. Follow Wilmington Apple on Twitter. Follow Wilmington Apple on Instagram. Subscribe to Wilmington Apple’s daily email newsletter HERE. Got a comment, question, photo, press release, or news tip? Email email@example.com.Share this:TwitterFacebookLike this:Like Loading… RelatedWHS Softball Senior Profile: Liz GordonIn “Sports”WHS Softball Senior Profile: Aliyah TangIn “Sports”WHS Softball Senior Profile: Dana GouletIn “Sports”
Arafat Rahman KokoThe fourth death anniversary of Arafat Rahman Koko, the younger son of BNP founder Ziaur Rahman and current chairperson Khaleda Zia, will be observed on Thursday, reports UNB.BNP and its associate bodies have chalked out various programmes to mark the day.As part of the programmes, BNP will arrange a milad mahfil at its Naya Paltan central office at 11:00am, said BNP chairperson’s media wing member Sayrul Kabir Khan.Besides, he said, BNP leaders and activists, led by its secretary general Mirza Fakhrul Islam Alamgir, will offer fateha at Koko’s grave at Banani Graveyard in the capital around 9:30am.Sayrul said BNP’s different associate and professional bodies will observe the day with holding various programmes, including discussion and milad mahfil, across the country.On 24 January, 2015, Koko died of cardiac arrest at the age of 45 at his rented house in Malaysia.Koko’s mother and BNP chairperson Khaleda Zia used to visit his grave every year and pass some time beside it. But she has been now in jail since 8 February last year.
© 2016 Phys.org Citation: Plant cellulose prevents short circuits in batteries (2016, July 22) retrieved 18 August 2019 from https://phys.org/news/2016-07-cellulose-short-circuits-batteries.html In a new study published in Nano Letters, researchers from the Ulsan National Institute of Science and Technology (UNIST) in South Korea have designed a cellulose nanomat, or “c-mat,” separator membrane that contains a thin layer of nanoporous plant cellulose on top of a thick macroporous polymer layer. By finely tuning the thicknesses of the two layers, the researchers were able to design a separator membrane that delicately balances the tradeoff between preventing leakage current and supporting fast ion transport. With its tiny pores, the nanoporous cellulose layer prevents leakage current between electrodes, preventing short circuits. On the other hand, the macroporous polymer layer’s porous channels are too large to prevent leakage current between electrodes, but their large size enables them to function like “ionic highways” to rapidly transport charges.The new separator has another major advantage: At high temperatures (60 °C), batteries with the new separator membranes have an 80% capacity retention after 100 cycles, whereas batteries with typical commercial polymer separators maintain just 5% of their initial capacity after 100 cycles at the same temperature.The researchers explain that the large capacity loss in the commercial batteries at high temperature occurs due to unwanted side reactions between lithium salts and water, which produces harmful byproducts such as manganese ions. The nanoporous cellulose-based layer of the new separator membranes has a manganese-chelating ability, so that it binds to the manganese ions and prevents them from participating in the reactions that cause capacity loss. In addition, the macroporous polymer layer captures the acidic reactants that produce the manganese ions, resulting in fewer of these ions in the first place.”We demonstrate in this work that the chemically active cellulose-based c-mat separator can mitigate the manganese ion-induced adverse effects,” coauthor Sang-Young Lee, Professor at UNIST’s School of Energy and Chemical Engineering, told Phys.org. “This enables a remarkable improvement in the high-temperature cycling performance far beyond that which is attainable with conventional membrane technologies.”In the future, the researchers plan to modify the separators for potential use in next-generation rechargeable batteries such as sodium-ion, lithium-sulfur, and metal-ion batteries. “The c-mat separator is expected to be used for next-generation high-performance batteries with high temperature stability—for example, in large-sized batteries for electric vehicles and grid-scale electricity storage systems,” Lee said. In addition to its use as a battery separator membrane, the c-mat separator also has potential applications in membranes for desalination systems, as well as for ecofriendly sensors for heavy metal ions. 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: Jung-Hwan Kim et al. “Functionalized Nanocellulose-Integrated Heterolayered Nanomats toward Smart Battery Separators.” Nano Letters. DOI: 10.1021/acs.nanolett.6b02069 Journal information: Nano Letters Ternary-layered separator to retard the shuttle of polysulfides towards highly-stable lithium–sulfur batteries Cellulose that originates from plant material is used as a thin layer in a new separator membrane for batteries, resulting in a large increase in capacity retention at high temperatures. Credit: Kim et al. ©2016 American Chemical Society Explore further (Phys.org)—In order to prevent short circuits in batteries, porous separator membranes are often placed between a battery’s electrodes. There is typically a tradeoff involved, since these separators must simultaneously prevent leakage current between electrodes while allowing ions to pass through the porous channels to generate current. Conventionally, these membranes are made of synthetic materials, such as polymers.
Thirty five miles south east of where the fog seldom clears over the Golden Gate Bridge and the bustling cable cars clang up and down the city’s steep roads, the Californian winds will carry elemental tunes of Tagore songs, the twang of an Ektara, and the piquant aroma of Shorshe Ilish. Over the last 37 years, three days of July are heartily, ethnically, musically and soulfully Bangali in some part of America. Every year, a new place. This year it is Santa Clara, a quaint yet populous county in the San Francisco Bay Area, more popularly known as the Silicon Valley. The much awaited 37th North American Bengali Conference will be held from July 7 to 9 at the heart of the city – the Santa Clara Convention Center. Also Read – Add new books to your shelfBanga Sammelan is not just a celebration of Bangaliana, but to serve countless slices of Bengal on the global platter. It is also a platform for hundreds of NRIs who want to hold onto their heritage despite living far away from home. From the captivating mono-act of Debshankar Halder, the mesmerising sound of the hundred-stringed Kashmiri santoor of Rahul Sharma, charismatic Hindustani classical music of Subha Mudgal, to the mega concert by Shaan, the North American Bengali Conference has an enticing schedule of events lined up. The second International Bengali Film Award on July 8 will recognize the excellence in celluloid achievements in the Bengali film Industry, followed by musical performances by our very own Tollywood stars. One of the main attractions of the NABC this year is ‘Fifty Years of Feluda’ – a tribute to the immortal creation of legendary filmmaker Satyajit Ray through a special exhibit put together by his son Sandip Ray who is taking forward the legacy, and the screening of a few films from the famous detective series. Also Read – Over 2 hours screen time daily will make your kids impulsiveThe sky above the Silicon Valley has already begun smelling sweeter. It is that time of the year when apple pie blends flawlessly with rosogollar payesh, and myriad hues of dhakai jamdani sarees overpower the hustle and bustle of the IT hub. The incessant July rain has rejuvenated both Bengal and Bangladesh after the sultry summer. But in Santa Clara, the windiest month of July is rainless. Differences there might be many, but love for the language has connected people of Bengali diaspora from different parts of the world.