punypng is a great service for those who work with the .png image format.  If you work on web sites, presentations, or other projects that involve image files, this is really worth adding to your toolkit.

What it does is fairly straightforward:  you upload your .png image file to their site, their algorithm examines the file and determines what can be done to make the file smaller without sacrificing image quality, and offers you the file as a download.

I tried it, and got as much as a 48% reduction in file size, without any visible loss of quality.  Even if all you get is a 10% reduction in file size, it means that your web sites, presentations, etc. will load and run faster.  For a busy web site, like Google or WorldCat, every reduction in the data needed to be sent to each user can add up to large savings in time, energy, and ultimately money.

found via SitePoint

Mozilla’s Open Web Tools Directory is a site designed to quickly connect the user with a variety of online tools for a variety of projects.  The categories include Design tools, Coding tools, Debuggers, and more.  Many of the projects listed are new to me, so I expect to find at least one or two new tools for my own projects.

found via TechCrunch

Amidst a great many other topics, HTML 5 has been on my mind the past couple of weeks.  It started on Tuesday, May 26th, with Kevin Yank posting HTML 5 : Now or Never? on the SitePoint blog.  He was floating the question of whether or not they should look into publishing a book on HTML 5 now, or if they need to wait until it matures enough for developers to use with confidence.  If you read his post, and especially if you look over the comments, you will see that there is a full range of opinions (including that HTML 5 should never be implemented) by developers about the topic.

This remained a relatively minor, background issue until two days later, Thursday, May 28th.  On that day Google announce the existence of a new project called Google Wave.  My initial thought was that Google was simply creating their version of a FaceBook/Twitter/Blogging style platform.  The more I looked, the more I realized that this was much different, and much more important, than a differently branded service.  Wave is something that has the potential to change many, many aspects of how we use the internet.

What is Google Wave?  I have spent a good part of last week trying to distill it into a couple of paragraphs, and am not having much success.  The overall essence of it is something that I haven’t yet wrapped my head around, but here are a few aspects of it that will hopefully illustrate some of it:

It is a communication platform that allows users to send, receive, and use a variety of information (think communications like e-mails, IM, tweets, feeds, etc.) in a way that offers greater control, speed, and usability.  Messaging becomes “real-time”, with your keystrokes being sent live to the person you are communcating with (unless you select to hold the message until you are ready).  The effect of this is that it becomes possible to hold a real-time conversation with others utilizing a variety of communication forms simultaneously.  You can incorporate text, images, documents, and other digital formats into the conversation in a free-flowing manner that saves time, effort and reduces confusion.

To quote from the introduction to an interview, “Email is asynchronous conversation. Instant messaging, by contrast, is synchronous. Wave is both.“  Possibly the best general description of Wave could be that it lets users and groups easily communicate and collaborate in one interface, using whatever editing/communication/collaboration techniques fit the task at hand.  Think of it as a collaboration mash-up tool.

A few places to find further info:

• Went Walkabout : Brought Back Google Wave. (Google Blog)
• Google Wave Drips with Ambition. (TechCrunch)
• Video Interview with the Google Wave Founders (TechCrunch)
• Live with the Google Wave Creators (TechCrunch)
• Sergey Brin : Google Wave Will Set a New Benchmark for Interactivity (TechCrunch)
• Google I/O A Real Eye-Opener (SitePoint)

Watch for the technological shift from these developments.  This will not only give us new and improved tools to perform tasks and work together (think of the possibilities for online meetings and conferencing), but will set standards for what will be expected from web presences.  Our OPACS may have some new goals to aim for.

Note added later:  I have had a busy week, and forgot to actually address the relationship between HTML 5 and Google Wave.  I do so in another post, Why HTML 5.  Apologies for not getting it right the first time!

MathTV is a collection of video tutorials, ranging from basic mathematical concepts to complex calculus applications, meant to assist students by providing a demonstration of how to work a type of problem.

This is a great resource for anyone needing a refresher on a particular mathematical concept.

A video from the main page of the site:

found via MetaFilter

Readability is quite simply one of the easiest-to-use and effective usability aids I have seen in quite a while.

Follow the link, set the controls for your most comfortable reading style, drag the “Readability” button to your bookmark toolbar, and click the the link in your toolbar whenever you want to read an article on an otherwise cluttered or problematic website.

Voila!  It even works great for generating print versions of pages.

found on MetaFilter

If you have been concerned about the possible effects of the global financial crisis on libraries, you aren’t alone.  The International Coalition of Library Consortia (ICOLC) has issued a statement that is not only short, succinct, and dire, but also proposes some solutions that would not only aid libraries and consortia, but the content providers from whom they purchase.

ICOLC Economic Statement.

This is a very powerful and constructive statement which is meant to initiate some significant changes in the way resources are offered, selected, and purchased.  My compliments to those who crafted the statement; it is a good, proactive document.  Adopting its suggestions will benefit everyone.  From the statements:

“While there may be practical limits to this principle, publishers, authors, scholars, and libraries will be best served by those solutions that retain as much access to as much content as possible.”

Note that there are many, many adopters of this statement, including CARLI in Illinois, as well as INFOhio, OHIOLink, OhioNet, and OPLIN, all in Ohio.  Check the list at the bottom of the statement to see if your consortial partners have adopted it.

found via the Disruptive Library Technology Jester