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RSGB’s RadCom Magazine May Edition Available to All Online




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IARU Region 2 Online Emergency Communication Workshops Get Under Way

International Amateur Radio Union Region 2 (IARU R2) virtual emergency communication workshops got under way on April 29, when the first of the programs in English and Spanish, “What is Winlink and its Importance during Emergency Communications,” was presented in Spanish. Workshop presenter Alfonso Tamez, XE2O, of the Mexican Federation of Radio Amateurs, offered insights into the usefulness an...




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[ASAP] Hollow Fiber Liquid-Phase Microextraction At-Line Coupled to Capillary Electrophoresis for Direct Analysis of Human Body Fluids

Analytical Chemistry
DOI: 10.1021/acs.analchem.0c00697




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[ASAP] Asymmetrical Flow Field Flow Fractionation Coupled to Nanoparticle Tracking Analysis for Rapid Online Characterization of Nanomaterials

Analytical Chemistry
DOI: 10.1021/acs.analchem.0c00406




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[ASAP] Fold-Change Compression: An Unexplored But Correctable Quantitative Bias Caused by Nonlinear Electrospray Ionization Responses in Untargeted Metabolomics

Analytical Chemistry
DOI: 10.1021/acs.analchem.0c00246




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Babri Masjid demolition case: SC extends trial court’s deadline to deliver verdict to August 31

The top court also said the trial court judge should hold proceedings via videoconferencing during the period of the nationwide lockdown.




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BSEB 12th board exam: Link to apply for scrutiny opens at biharboardonline.bihar.gov.in

Along with the scrutiny process. students can also apply for copies of answer sheets and OMR sheets at the official website.




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Chess: India held to draw against Europe after securing first win at Online Nations Cup

India beat Rest of the World 2.5-1.5 in the seventh round of the Online Nations Chess Cup before drawing against Europe on Friday.




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Coronavirus: Only severe cases need to be tested before discharge, says Centre in revised guidelines

Other categories of patients – including very mild, mild, pre-symptomatic and moderate cases – need not be tested before discharge, it added.




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Australian captain Meg Lanning leads online batting class for Ireland women’s cricket team

Lanning was joined by former Ireland skipper Isobel Joyce in the session that also featured the head coaches of both teams Ed Joyce and Matthew Mott.




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Coronavirus: Senior India hockey players to undergo online coaching course amid lockdown

The course will be attended by 32 senior men and 23 senior women core probables on May 11 and 15 respectively.




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[ASAP] Characterization of Conjugation Effects in the Series of Quinoxaline-2-ones by Means of Vibrational Raman Spectroscopy

The Journal of Physical Chemistry A
DOI: 10.1021/acs.jpca.0c01838




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[ASAP] Total Internal Reflection Transient Absorption Microscopy: An Online Detection Method for Microfluidics

The Journal of Physical Chemistry A
DOI: 10.1021/acs.jpca.9b12046




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Sustainable Rice Straw Management Martin Gummert, Nguyen Van Hung, Pauline Chivenge, Boru Douthwaite, editors

Online Resource




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Shifting baselines in the Chesapeake Bay: an environmental history / Victor S. Kennedy

Hayden Library - QH541.5.C65 K46 2018




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Observation of transition cascades in sheared liquid crystalline polymers

Soft Matter, 2020, 16,3891-3901
DOI: 10.1039/D0SM00275E, Paper
Ryan J. Fox, M. Gregory Forest, Stephen J. Picken, Theo J. Dingemans
We observe anomalous shear thickening behavior of a lyotropic liquid crystalline polymer due to the dynamics of the nematic director.
The content of this RSS Feed (c) The Royal Society of Chemistry




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Rotation of a submerged finite cylinder moving down a soft incline

Soft Matter, 2020, 16,4000-4007
DOI: 10.1039/C9SM02344E, Paper
Baudouin Saintyves, Bhargav Rallabandi, Theo Jules, Jesse Ault, Thomas Salez, Clarissa Schönecker, Howard A. Stone, L. Mahadevan
A fluid-immersed solid cylinder moves along a soft incline and rotates at a rate that depends on its aspect ratio and the stiffness of the incline.
The content of this RSS Feed (c) The Royal Society of Chemistry




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Developing Super Tough Gelatin-based Hydrogels by Incorporating Linear Poly(methacrylic Acid) to Facilitate Sacrificial Hydrogen Bonding

Soft Matter, 2020, Accepted Manuscript
DOI: 10.1039/D0SM00422G, Communication
Hui Jie Zhang, Li Ni Wang, Xuechuan Wang, Qingxin Han, Xiangyou You
Mechanically robust protein-based hydrogels are strongly desired but their construction remains a significant challenge. In this work, gelatin, together with methacrylic acid, is used to construct a novel hydrogen-bonded hydrogel...
The content of this RSS Feed (c) The Royal Society of Chemistry




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Polypyrrole and polyaniline nanocomposites with high photothermal conversion efficiency

Soft Matter, 2020, Advance Article
DOI: 10.1039/D0SM00306A, Communication
Lorena Ruiz-Pérez, Loris Rizzello, Jinping Wang, Nan Li, Giuseppe Battaglia, Yiwen Pei
A simple and scalable synthetic approach to produce functional conducting polymer (CP) nanocomposites using the Fe-complexed PISA-prepared nanoparticles is demonstrated.
To cite this article before page numbers are assigned, use the DOI form of citation above.
The content of this RSS Feed (c) The Royal Society of Chemistry




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Online tests well received by schoolchildren in Tiruvannamalai

District Collector K.S. Kandasamy said the tests were a joint effort of the District Education Department and National Informatics Centre to keep students engaged during the lockdown.




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[ASAP] Size, Ligand, and Defect-Dependent Electron–Phonon Coupling in Chalcogenide and Perovskite Nanocrystals and Its Impact on Luminescence Line Widths

ACS Photonics
DOI: 10.1021/acsphotonics.0c00034




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[ASAP] Quasinormal-Mode Non-Hermitian Modeling and Design in Nonlinear Nano-Optics

ACS Photonics
DOI: 10.1021/acsphotonics.0c00014




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[ASAP] Line-Scan Hyperspectral Imaging Microscopy with Linear Unmixing for Automated Two-Dimensional Crystals Identification

ACS Photonics
DOI: 10.1021/acsphotonics.0c00050




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Future Accessibility Guidelines—for People Who Can’t Wait to Read Them

Alan Dalton uses this, the International Day of Persons with Disabilities, to look back at where we’ve come from, to evaluate where we are, and to look forward to what’s coming next in the future of accessibility guidelines.


Happy United Nations International Day of Persons with Disabilities! The United Nations have chosen “Promoting the participation of persons with disabilities and their leadership: taking action on the 2030 Development Agenda” for this year’s observance. Let’s see how the World Wide Web Consortium (W3C)’s Web Accessibility Initiative (WAI) guidelines of accessibility past, present, and yet-to-come can help us to follow that goal, and make sure that the websites—and everything else!—that we create can include as many potential users as possible.

Guidelines of Accessibility Past

The W3C published the Web Content Accessibility Guidelines (WCAG) 1.0 on 5th May 1999, when most of us were playing Snake on our Nokia 3210s’ 1.5” monochrome screens…a very long time ago in technology terms. From the start, those guidelines proved enlightening for designers and developers who wanted to avoid excluding users from their websites. For example, we learned how to provide alternatives to audio and images, how to structure information, and how to help users to find the information they needed. However, those guidelines were specific to the web technologies of the time, resulting in limitations such as requiring developers to “use W3C technologies when they are available […]”. Also, those guidelines became outdated; I doubt that you, gentle reader, consult their technical documentation about “directly accessible applets” or “Writing for browsers that do not support FRAME” in your day-to-day work.

Guidelines of Accessibility Present

The W3C published the Web Content Accessibility Guidelines (WCAG) 2.0 on 11th December 2008, when most of us were admiring the iPhone 3G’s innovative “iPhone OS 2.0” software…a long time ago in technology terms. Unlike WCAG 1, these guidelines also applied to non-W3C technologies, such as PDF and Flash. These guidelines used legalese and future-proofed language, with terms such as “time-based media” and “programmatically determined”, and testable success criteria. This made these guidelines more difficult for designers and developers to grasp, but also enabled the guidelines to make their way into international standards (see EN 301 549 — Accessibility requirements suitable for public procurement of ICT products and services in Europe and ISO/IEC 40500:2012 Information technology — W3C Web Content Accessibility Guidelines (WCAG) 2.0) and even international law (see EU Directive 2016/2102 … on the accessibility of the websites and mobile applications of public sector bodies).

More importantly, these guidelines enabled designers and developers to create inclusive websites, at scale. For example, in the past 18 months:

The updated Web Content Accessibility Guidelines (WCAG) 2.1 arrived on 5th June last year—almost a 10-year wait for a “.1” update!—and added 17 new success criteria to help bring the guidelines up to date. Those new criteria focused on people using mobile devices and touchscreens, people with low vision, and people with cognitive and learning disabilities.

(If you need to get up to speed with these guidelines, take 36 minutes to read “Web Content Accessibility Guidelines—for People Who Haven’t Read Them” and Web Content Accessibility Guidelines 2.1—for People Who Haven’t Read the Update.)

Guidelines of Accessibility Yet to Come

So, what’s next? Well, the W3C hope to release another minor update (WCAG 2.2) in November 2020. However, they also have a Task Force working on produce major new guidelines with wider scope (more people, more technologies) and fewer limitations (easier to understand, easier to use) in November 2022. These next guidelines will have a different name, because they will cover more than “Web” and “Content”. Andrew Kirkpatrick (Adobe’s Head of Accessibility) named the Task Force “Silver” (because the initials of “Accessibility Guidelines” form the symbol of the silver element).

The Silver Task Force want the next major accessibility guidelines to:

  • take account of more disabilities;
  • apply to more technologies than just the web, including virtual reality, augmented reality, voice assistants, and more;
  • consider all the technologies that people use, including authoring tools, browsers, media players, assistive technologies (including screen readers and screen magnifiers), application software, and operating systems.

That’s quite a challenge, and so the more people who can help, the better. The Silver Task Force wanted an alternative to W3C’s Working Groups, which are made up of employees of organisations who are members of the W3C, and invited experts. So, they created a Silver Community Group to allow everyone to contribute towards this crucial work. If you want to join right now, for free, just create a W3C account.

Like all good designers, the Silver Task Force and Silver Community Group began by researching. They examined the problems that people have had when using, conforming to, and maintaining the existing accessibility guidelines, and then summarised that research. From there, the Silver Community Group drafted ambitious design principles and requirements. You can read about what the Silver Community Group are currently working on, and decide whether you would like to get involved now, or at a later stage.

Emphasise expertise over empathy

Remember that today’s theme is “Promoting the participation of persons with disabilities and their leadership: taking action on the 2030 Development Agenda”. (The United Nations’ 2030 Development Agenda is outside the scope of this article, but if you’re looking to be inspired, read Alessia Aquaro’s article on Public Digital’s blog about how digital government can contribute to the UN’s Sustainable Development Goals.) In line with this theme, if you don’t have a disability and you want to contribute to the Silver Community Group, resist the temptation to try to empathise with people with disabilities. Instead, take 21 minutes during this festive season to enjoy the brilliant Liz Jackson explaining how empathy reifies disability stigmas, and follow her advice.

Choose the right route

I think we can expect the next Accessibility Guidelines to make their way into international standards and international law, just like their predecessors. We can also expect successful companies to apply them at scale. If you contribute to developing those guidelines, you can help to make sure that as many people as possible will be able to access digital information and services, in an era when that access will be crucial to every aspect of people’s lives. As Cennydd Bowles explained in “Building Better Worlds”, “There is no such thing as the future. There are instead a near-infinity of potential futures. The road as-yet-untravelled stretches before us in abundant directions. We get to choose the route. There is no fate but what we make.”


About the author

Alan Dalton worked for Ireland’s National Disability Authority for 9½ years, mostly as Accessibility Development Advisor. That involved working closely with public sector bodies to make websites, services, and information more accessible to all users, including users with disabilities. Before that, he was a consultant and trainer for Software Paths Ltd. in Dublin. In his spare time, he maintains StrongPasswordGenerator.com to help people stay safe online, tweets, and takes photos.

More articles by Alan




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The lost soul of the American presidency: the decline into demagoguery and the prospects for renewal / Stephen F. Knott

Dewey Library - JK511.K66 2019




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Votes that count and voters who don't: how journalists sideline electoral participation (without even knowing it) / Sharon E. Jarvis and Soo-Hye Han

Dewey Library - JK1965.J37 2018




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LSAT entrance exam to be held online due to COVID-19

US-based The Law School Admission Council (LSAC) has decided to administer the 2020 LSAT-India entrance examination online for the first time ever fr




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Telangana turmoil: Govt says no rethink, but sets no deadline

MHA to prepare another note with the reorganisation Bill.




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Cyclon Phailin: Odisha opens helpline for storm updates

The helpline number of the Odisha Central Control Room is 0674-2534177.




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CVC declines information on Leave travel concession scam

CBI is carrying out a preliminary enquiry in the case and has questioned several travel agents.




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Bangalore attack: 1,144 ATMs shut as banks fail to meet security deadline

Norms were prescribed on Nov 20 following the brutal attack on a woman in a Bangalore ATM.




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ATM attack: Karnataka govt to come out with guidelines on security

Out of the 2,500 ATMs in the city, 600 are unmanned.




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Error-correcting linear codes [electronic resource] : classification by isometry and applications / Anton Betten [and others]

Berlin ; New York : Springer, [2006]




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Convex analysis and nonlinear optimization [electronic resource] : theory and examples / Jonathan M. Borwein, Adrian S. Lewis

New York : Springer, [2006]




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Control of nonlinear and hybrid process systems [electronic resource] : designs for uncertainty, constraints and time-delays / Panagiotis D. Christofides, Nael H. El-Farra

Berlin ; New York : Springer, [2005]




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Control and observer design for nonlinear finite and infinite dimensional systems [electronic resource] / Thomas Meurer, Knut Graichen, Ernst Dieter Gilles (eds.)

Berlin ; New York : Springer, [2005]




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Contributions to nonlinear analysis [electronic resource] : a tribute to D.G. de Figueiredo on the occasion of his 70th birthday / Thierry Cazenave [and others], editors

Basel ; Boston : Birkhäuser Verlag, [2006]




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UK declines to use Apple-Google framework for Covid-19 contact tracing app

UK's health organisation, NHSX, in a blog over the weekend said that it has prioritised security and privacy in all stages of the app's development, starting with the initial design, and user testing




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Samsung starts taking online pre-orders for TVs, ACs, and other electronics

Consumers pre-booking on Samsung Shop will get 15 per cent cashback when paying with HDFC cards




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Covid-19 lockdown: Realme resumes online sales of smartphones, accessories

Realme has extended warranty on products, which expired during the lockdown period, till June 30




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Online streaming traffic sees 55% overall surge amid lockdown, says report

There was an overall traffic increase of 73 per cent on weekdays and 65 per cent on weekends, said the 'State of Internet Traffic Trend' report by ACT Fibernet




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New media and intercultural communication : identity, community, and politics / edited by Pauline Hope Cheong, Judith N. Martin, Leah P. Macfadyen




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SC declines Trinamool’s plea to monitor Saradha probe 



  • DO NOT USE West Bengal
  • India

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Blasts in West Bengal: A timeline



  • DO NOT USE West Bengal
  • India

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Handbook of lithium and natural calcium chloride : their deposits, processing, uses and properties / Donald E. Garrett (Saline Processors, Inc., Ojai, California)

Garrett, Donald E., author




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Online transactions have surged post lockdown: Simpl

Average ticket size of medicine orders has doubled,it says




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M&M unveils online vehicle ownership plan

Firm offers contactless experience




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Covid-19: Central team asks State about frontline staff, quarantine facilities

A.P. is ahead of other states with regard to testing capacity, Medical and Health Commissioner Katamaneni Bhaskar said the government was taking measures to contain the spread of the virus




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Central team enquires about frontline workers who contracted COVID-19

It also seeks details of paid quarantine facilities and death rate




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007 JSJ Online Resources for Javascript Developers

The panelists discuss online resources for JavaScript Developers.