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Doing calculations with a quantum computer is a race against time, thanks to the fragility of the quantum states at their heart. And new research suggests we may soon hit a wall in how long we can hold them together thanks to interference from natural background radiation.
While quantum computing could one day enable us to carry out calculations beyond even the most powerful supercomputer imaginable, we're still a long way from that point. And a big reason for that is a phenomenon known as decoherence.
The superpowers of quantum computers rely on holding the qubits—quantum bits—that make them up in exotic quantum states like superposition and entanglement. Decoherence is the process by which interference from the environment causes them to gradually lose their quantum behavior and any information that was encoded in them.
It can be caused by heat, vibrations, magnetic fluctuations, or any host of environmental factors that are hard to control. Currently we can keep superconducting qubits (the technology favored by the field's leaders like Google and IBM) stable for up to 200 microseconds in the best devices, which is still far too short to do any truly meaningful computations.
But new research from scientists at Massachusetts Institute of Technology (MIT) and Pacific Northwest National Laboratory (PNNL), published last week in Nature, suggests we may struggle to get much further. They found that background radiation from cosmic rays and more prosaic sources like trace elements in concrete walls is enough to put a hard four-millisecond limit on the coherence time of superconducting qubits.
"These decoherence mechanisms are like an onion, and we've been peeling back the layers for the past 20 years, but there's another layer that left unabated is going to limit us in a couple years, which is environmental radiation," William Oliver from MIT said in a press release. "This is an exciting result, because it motivates us to think of other ways to design qubits to get around this problem."
Superconducting qubits rely on pairs of electrons flowing through a resistance-free circuit. But radiation can knock these pairs out of alignment, causing them to split apart, which is what eventually results in the qubit decohering.
To determine how significant of an impact background levels of radiation could have on qubits, the researchers first tried to work out the relationship between coherence times and radiation levels. They exposed qubits to irradiated copper whose emissions dropped over time in a predictable way, which showed them that coherence times rose as radiation levels fell up to a maximum of four milliseconds, after which background effects kicked in.
To check if this coherence time was really caused by the natural radiation, they built a giant shield out of lead brick that could block background radiation to see what happened when the qubits were isolated. The experiments clearly showed that blocking the background emissions could boost coherence times further.
At the minute, a host of other problems like material impurities and electronic disturbances cause qubits to decohere before these effects kick in, but given the rate at which the technology has been improving, we may hit this new wall in just a few years.
"Without mitigation, radiation will limit the coherence time of superconducting qubits to a few milliseconds, which is insufficient for practical quantum computing," Brent VanDevender from PNNL said in a press release.
Potential solutions to the problem include building radiation shielding around quantum computers or locating them underground, where cosmic rays aren't able to penetrate so easily. But if you need a few tons of lead or a large cavern in order to install a quantum computer, that's going to make it considerably harder to roll them out widely.
It's important to remember, though, that this problem has only been observed in superconducting qubits so far. In July, researchers showed they could get a spin-orbit qubit implemented in silicon to last for about 10 milliseconds, while trapped ion qubits can stay stable for as long as 10 minutes. And MIT's Oliver says there's still plenty of room for building more robust superconducting qubits.
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-+0/ ----Ve;vrho;scf Hi Test App team, In order to keep our Facebook platform and community safe, we periodically review apps for compliance. We need the following action from you on your app, Test App (1739948439629079), in order to approve your app's continued operation on our platform. URL(s) listed on your app dashboard settings could not be accessed for platform compliance review. Kindly make sure that the following field(s) on your app dashboard are working correctly: Website: Site URL The corresponding URL(s) should return a successful HTTP status code. You can verify this using the Sharing Debugger. - Sharing Debugger: https://developers.facebook.com/tools/debug/sharing/ - Compliant response codes: 200-299 - Violating response codes: 100-199, 300-399, 400-499, 500-599 Please also whitelist the user agent strings or the IP addresses (more secure) used by the crawler. For detailed instructions, please visit: https://developers.facebook.com/docs/sharing/webmasters/crawler. For Google Package Name(s) and iPhone Store ID(s), please make sure that these are publicly available. Kindly apply the requested changes to prevent your app from being restricted on our platform. You can check your app dashboard to verify if the violating fields are now compliant, otherwise you will receive an automated alert as soon as we've detected that the fields are compliant. Thank you for your cooperation in our continued efforts to keep our platform safe. Facebook Developer Operations Team ***** This is an automated message, please do not reply to this email. ***** You can view this and other developer notifications related to your app in the app dashboard. Visit app dashboard Is this still the best place to reach you? Go to your Developer Settings if you'd like to update your email address or unsubscribe. You can also manage your role on an app in the Roles section of the App Dashboard. This is an automated message. Please do not reply. You are receiving this email because you've chosen to receive developer updates from Facebook. All rights reserved, Facebook © 2018-present. 1 Facebook Way, Menlo Park, CA 94025 ----ck;wzdq;mlk ----fF;cvvh;znn
Importance of Equity: Each Child, Our Future identifies equity as Ohio's greatest education challenge. Equity in education means each child has access to relevant and challenging academic experiences and educational resources necessary for success across race, gender, ethnicity, language, disability, family background and/or income. COVID-19 did not create equity challenges in education. Those challenges have been recognized in education for some time, yet the pandemic is revealing and exacerbating deeply rooted social and educational inequities. Further, the global crisis highlights the equity connections across education and other social systems, such as health care, housing and the workforce. As educators, communities and policymakers rally together in a tremendous response to the pandemic, equity must remain at the forefront of Ohio's short- and long-term responses and supports. The process of reopening schools and defining what the future of education will look like is a perfect opportunity to address equity issues head-on. At every step of the planning process, proposed strategies, approaches and actions should be viewed through an equity lens, asking the question, "How does each element of our plan impact equitable access to a quality education and equitable achievement for those who have historically been underserved?" Approaches to addressing the equity challenge include the following: • Leadership for equity: We must develop the skills and abilities of leaders to understand the reality of inequities and foster the collaborative design work necessary to address it. • Equitable learning approaches: We must be more tuned in to instructional settings and approaches that allow for more personalized and engaged learning. We need to ensure cultural relevancy and student choice. We need to embrace personalized learning that allows students to take greater roles in the acquisition of knowledge and skills for success. Project-based learning and mastery-based approaches (instead of seat-time approaches) can help create learning environments that are more engaging and responsive to student dispositions and desires. A well-developed multi-tiered system of supports can serve to help customize the learning approach to meet the individual needs of each child. • Student voice: Amplify student voices, especially those of minorities and other underserved groups. Use student voice to better understand student needs and learning preferences to foster greater success. • Implicit bias: Work to recognize the manifestations of implicit bias and eliminate or overcome it. Commitment to Continuous Improvement Processes: Effective change requires attention to quality implementation and a data-informed process for monitoring progress, gauging impact and course correcting when necessary. Districts are encouraged to use the Ohio Improvement Process (or another similar Plan-Do-Study-Act continuous improvement process) to support quality implementation and continuous improvement. Improvement processes can bring educators together through collaborative team structures to learn from each other and facilitate communication and decision-making between and across levels of the system (district, central office, school, grade levels, content areas and classrooms). These processes support the goal of delivering a high-quality educational experience that meets students' needs and results in student success. Ohio's regional state support teams can provide assistance as districts use the Ohio Improvement Process to support continuous improvement in the context of reopening schools and beyond. Assessing and Addressing Needs for Vulnerable Youth: Supporting the needs of homeless, foster, justice-involved or otherwise highly mobile youth may have been more challenging during the school building closure period and will continue to challenge schools and districts when reopening. In the short term, even more students may experience high mobility as families deal with increased job and housing insecurities and the pandemic's impact on Ohio's foster care system. Vulnerable youth may experience increased academic and nonacademic needs. Districts should include in their reopening plans deliberate strategies and actions to connect with these students and their families and address their needs. Districts can use data, guidance from the state and other trusted resources, as well as community partnerships to identify and address these increased needs. The Ohio Department of Education will provide information and technical assistance to support schools and districts in communicating with, engaging and supporting their vulnerable youth populations. The Department will collaborate with other state agencies and organizations to identify needs and align supports. Schools and districts should collaborate with local agencies and organizations to identify needs and maximize supports of vulnerable youth. Districts and community schools should continue to utilize their vulnerable youth liaisons to ensure this student population receives equitable academic services and nonacademic supports. Curriculum (broad or essential) Approaches: Fundamental to the district's reopening plan will be choices related to curriculum. The experience during the school-building closure period has helped to increase educators' understanding, as well as the understanding of students and families, of the various available technology-based curricular resources. Educators also have increased their understanding about how these resources can be used effectively as part of the educational experience for students. (In some cases, they also better understand the challenges and imperfections of these resources.) Local planning should involve discussions and decisions related to what curricular resources, whether traditional or online, will be included as part of the local district's educational approach. Districts also will have the opportunity to reflect on the extent to which they want to support a more focused or streamlined curriculum. An essential curriculum — focused on the most essential concepts within individual subject areas — might be most practical, especially given the reality of the disruption to learning during the spring. In early grades, districts should be particularly attentive to meeting essential literacy and numeracy learning needs of students. At the same time, more options for students may be appropriate to the increased personalization of the education experience (see the discussion below). Subjects should not be eliminated, as often is the case with non-core classes that keep students engaged and motivated. A variety of tools should help districts in identifying the most suitable curricular approaches. The use of concept mapping can support districts, teachers and parents in making connections across the years. Also, districts should identify highquality instructional materials that are conducive to remote learning of the essential curriculum. Use of Space and Time: The impact of the health and safety guidelines will drive the need for creative and solutionsoriented approaches to planning the use of space and time. Schools and districts will be faced with identifying ways to schedule, group and transition students in ways that are consistent with health and safety restrictions. Flexibility will be critical in the current environment. ----Jy;turg;wbb NOTE:The 2020–2021 FAFSA is available as of October 1. To complete your 2020–2021 FAFSA, you can use the Data Retrieval Tool to transfer your and your parents 2018 federal tax information to the FAFSA. Students applying for Spring 2020 admission must complete the 2019–2020 FAFSA using 2017 federal tax information. For our New York City and Long Island campuses, the Federal School Code ("Title IV" code) for putting New York Institute of Technology as a school of your choice on the FAFSA is 002782. Many students are able to benefit from our generous financial aid programs and policies, so don't be deterred by the published tuition costs of attending New York Tech. The Office of Financial Aid is committed to helping you and your family understand and take advantage of options to offset the cost and comfortably fund your education throughout your college career. We encourage you to educate yourself about the cost of college and resources available to you. Students can find a plethora of useful federal financial aid information on the Federal Student Aid Twitter webpage (@FAFSA). Information via FSA's @FAFSA Twitter account provides up-to-date happenings and information regarding federal financial aid. We encourage you to take advantage of this valuable resource. If your FAFSA information does not reflect your family's current financial situation you may qualify for a re-evaluation of your financial aid package (Financial Aid Policies and Forms). Please contact the Office of Financial Aid for more information (email: finaid@nyit.edu or call: 516.686.7680). If you are unable to provide parental information on your FAFSA, please contact the Office of Financial Aid for instructions (email: finaid@nyit.edu or call: 516.686.7680). SUMMER 2020/FALL 2020 If you are attending Summer 2020 and Fall 2020 terms, taking at least 6 credits, and want federal financial aid, complete your 2020–2021 FAFSA on fafsa.gov and a Seasonal Loan Request Form. https://www.nyit.edu/service_central/email_retention Types of Aid SCHOLARSHIPS & GRANTS These are both "gift awards" that you don't have to pay back. They can come from the university, the federal or state government, or from private and non-profit organizations, and can be awarded based on economic need, merit, or other criteria. LOANS Loans are borrowed money that must be repaid with interest. Federal loans, which include both need-based and non-need-based options, usually offer the best terms. Private loans are available from banks and other financial institutions. They carry variable interest rates, and may require a co-signer. https://www.nyit.edu/service_central/email_retention WORK STUDY The Federal College Work Study Program provides part-time employment to assist eligible enrolled students in paying for educational expenses. It is based on economic need. If you are not eligible for Federal College Work Study, you can also become a student aid. For more information, please email Student Employment. https://nyitcs.nyit.edu/psp/ps/?cmd=login VETERAN'S BENEFITS New York Tech is proud to serve veterans of the U.S. armed forces. In coordination with the Department of Veteran's Affairs, we offer you and your family an array of programs and educational benefits to help pay for tuition and assist with living expenses while enrolled at our university. Veteran aid is available to both undergraduate and graduate students. An American Education, with over 100 career-focused, technology fueled academic programs taught by world-renowned experts and researchers. Dedicated staff and peer advisors to help you adjust to college life in the U.S., answer visa and immigration questions, and help welcome you to our multicultural community. In-house English language instruction at every level to help you achieve your academic and professional goals. A variety of NYIT scholarships and grants available to international students based on academic achievement or high scholastic potential. Campuses in New York City and nearby Long Island, so you can live and experience New York, the center of world commerce and culture, while making lifelong friends from around the world. Lifelong career services, available at every stage of your working life, to help you find the job you want, expand your professional network, connect you with employers, and advance your career. Dear Colleagues, At its March meeting this week, the Board of Regents unanimously reelected Chancellor Betty A. Rosa and Vice Chancellor T. Andrew Brown to second three-year terms in those leadership positions. The Board conducted its election process, including the nomination of both candidates, the full discussion, and the vote in its public session under the leadership of Regent Roger Tilles. Video of the discussion and vote is available on the Board of Regents website. The Chancellor and Vice Chancellor's three-year term becomes effective April 1, 2019. Chancellor Rosa and Vice Chancellor Brown have led the Board and guided the New York State Education Department (NYSED) with passion and dedication. Their unanimous reelection is a testament to the accomplishments of the last three years under their leadership. Earlier this month, four members of the Board of Regents were reelected to the Board for five-year terms: Regents Christine Cea, Wade Norwood, James Cottrell, and Josephine Finn. I am honored and excited to continue working alongside the reelected Regents and the entire Board of Regents to raise the knowledge, skill, and opportunity of all the people in New York. This edition of News and Notes includes information and updates related to the following: Parent Dashboard Survey; Information for Parents About the Grades 3-8 ELA and Math Tests; Joint Report on Findings of Civil Investigation into the Tragic Death of Trevyan Rowe; Save the Dates for the P-3 Summer Institute; and State Museum Adds New Artworks to Contemporary Native American Art Collection. Sincerely, MaryEllen Elia Commissioner 6Parent Dashboard Survey mother and son at a computer The New York State Education Department (NYSED) is developing a Parent Dashboard to increase transparency and make information about school performance and other school-level data easier for parents and the public to access. This is part of New York's ESSA plan. NYSED is gathering feedback from parents and stakeholders to guide the work of developing the Parent Dashboard. Please encourage parents to complete our five-minute survey and tell us how we can make the Parent Dashboard as useful as possible. NYSED will use feedback from the survey to identify the data that is most useful to parents and the public. Informational resources in English and Spanish are available on our Parent Dashboard web page. Translations of the survey and resources in other languages will be posted as they become available. If you have any questions, please email us at ParentDashboard@nysed.gov. 8Information for Parents About the Grades 3-8 ELA and Math Tests The 2019 Grades 3-8 New York State Assessments_ What Parents Need to Know Schools across the state will soon begin to administer the Grades 3-8 English Language Arts and Mathematics Tests. Updated parent resources about the 2019 tests are now available on our assessment website. The resources have important information about what parents need to know about the 2019 assessments and answer many frequently asked questions about the tests. Links to the parent resources are available below. The 2019 Grades 3-8 New York State Assessments: What Parents Need to Know Parents' Frequently Asked Questions About New York State's Annual Grades 3-8 English Language Arts and Mathematics Tests Things Every Parent Should Know About Student Participation in Statewide Assessments Under ESSA Additional Information for Stakeholders About Student Participation in Statewide Assessments Under ESSA 4Joint Report on Findings of Civil Investigation into the Tragic Death of Trevyan Rowe This week, State Education Commissioner MaryEllen Elia and New York Attorney General Letitia James announced the findings of a civil investigation into the facts and circumstances surrounding the tragic death of Trevyan Rowe, a 14-year-old student in the Rochester City School District (RCSD) who went missing on March 8, 2018. The investigation found that systemic failures in school policy and procedures existed at James P.B. Duffy School No. 12, the school Trevyan attended at the time of his death. During the course of the joint investigation, NYSED and AG staff reviewed hundreds of pages of policy documents and email correspondence, conducted site visits, and interviewed approximately 50 staff members and members of Trevyan's family. The investigation findings are detailed in our news release. 3Save the Dates for the P-3 Summer Institute young children in classroom listening to teacher Teachers, curriculum and instruction specialists, and administrators: If you are responsible for building capacity for standards implementation and serving young children in prekindergarten to third grade, please save the dates for the P-3 Summer Institute! This year's Institute will take place at the College of Saint Rose in Albany on July 16-17. Find more information about the P-3 Summer Institute here 9State Museum Adds New Artworks to Contemporary Native American Art Collection Beaded pin cushion by Grant Jonathan _Tuscarora_ The New York State Museum recently announced the addition of 14 new artworks to its contemporary Native American art collection. Building on an initiative launched in 1986 and now numbering more than 160 artworks, the collection is an impressive assemblage of work showcasing the breadth of Native artistic skills and craftsmanship. Included in the collection are beadwork, sculpture, quillwork, regalia, carvings, paintings, and textile art. Find out more about the new additions to the collection here.
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