Convergent Series

learning, using & teaching metal clay, and other aspects of life

Archive for August, 2014

Another Garden Interlude: North Park Demonstration Garden

Posted by C Scheftic on 2014/08/29

North Park Demonstration Garden I spent this afternoon up at the North Park (Allegheny County, PA) Demonstration Garden, another of the wonderful teaching-gardens maintained by the Penn State Master Gardeners of Allegheny County.

I took a couple panoramic series of photos of the garden and, later on, explored a couple of options for “stitching” the various images together. I still have not figured out how to get WordPress and GigaPan to talk nicely to each other, however, so I’m not embedding the full panorama here. Instead, I include a tiny “snapshot” from it: just click on the image to the right here and you’ll be taken to a different site so you can see one of them. (Alternatively, here are links to: a full 360 image, from near the war memorial cannon, and a little less than a half-circle, facing the other direction.) At the GigaPan site, be sure to play with some of the options for zooming in and exploring the images! I wish I had more time to “play around” with more of that kind of photography. (And, of course, money for a much better camera…)

I’m still hoping to get down to South Park Demonstration Garden, to GigaPan that one. I’m just not sure if/when I’ll manage that though, at least not this season. If I think I’m only going to get one shot at a garden in a season, I do like to wait until it’s in full glory, and that seems to be when my schedule starts getting crunched again.

Among other things, I’ve got the Public Reception at The Confluence in New Castle next Friday, September 5 (5-7 pm), and the Public Field Day at the Edible Teaching Garden on Saturday, September 13 (12N – 2 pm). It sure would be great to see some local readers of this blog at one or both of those events!

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At a Confluence: Updates!

Posted by C Scheftic on 2014/08/25

This post will follow up on my earlier post about the show, At a Confluence, that’s running from August 15 through November 13, 2014. First, since I just included a link before, without details, this time I’ll include some specifics right here on the post:
The Confluence
address: 14 E Washington St, New Castle, PA 16101
phone: (724) 698-7604
hours: Mon – Sat: 8:00 am – 8:00 pm

Next, I’m thrilled to report that one of my pieces, Sparkle (Together) on a Stormy Night (shown, right), earned a “Merit Award“!

And … there’s going to be a Public Artist Reception on Friday, September 5, from 5 to 7 pm. If you can get yourself over to The Confluence for that, it’d be great to see you there!

Finally, if you’re not already familiar with The Confluence itself, here are a few things you might find interesting: It’s a social enterprise venture developed by Cray Youth & Family Services of Lawrence County, PA, to (in their words): generate revenue [via both sales & donations] to help support their critical and life-changing programs; offer free events that build community; provide a safe gathering place for all children and families; and provide employment opportunities to young people.

While I am certainly delighted to be a part of this art show, and proud to be recognized with an award, the thing that really makes me happy is that it’s all a part of such a great enterprise. This is a case where, by asking you to join me, I’m hoping you will help support this whole project.

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On another note: Maryam Mirzakhani wins Fields Medal

Posted by C Scheftic on 2014/08/18

Several math-related things caught my attention in the news last week. One involved a change in how silver prices would be “computed” and I thought maybe I’d write a little note about that.

But, instead, I’m going to add a note here because the Iran-born, female, geometer Maryam Mirzakhani won a Fields Medal. As a teenager, she won gold medals in the 1994 and 1995 International Math Olympiads and headed off to college … a decade after I’d finished grad school, and just before I became (in the summer of 1995) a Member of the Technical Staff at the (now defunct) Geometry Center.

“Geom” was a really wonderful little mathematics research and development center at the University of Minnesota, funded for several years through the Science & Technology Centers program of the National Science Foundation. It had a great, unified, mathematics computing environment that supported math and computer science research, mathematical visualization, software development, application development, video animation production, and K-16 math education. On the wall in my studio now I have a group of four posters from my old math-days: two that used computer algebra systems (Maple; Mathematica) from my work before moving to Geom, and two specifically about Geometry Center projects (tiling space with triangles; knots and hyperbolic space). Farther down the wall, I also have one of Escher’s Metamorphose prints (the one that comes in four parts); that one was a gift from a long-tine friend, Donna, who was in school with me (two different universities, just by coincidence!) both as an undergraduate (when she studied physics) and during grad school (after she had switched to computer science).

When people come to my studio and ask, “how long have you been doing this?” of course, what makes that a bit of a challenge to the answer is, “what’s ‘this’?” Depending on how much detail I sense the questioner wants (which I may or may not sense correctly, of course), I may talk about when I started in this powder-metallurgy medium, or when I started as simply a hobbyist in other art-forms before that and how some of those were more or less visual than my current one (e.g., radio theatre was a different creative outlet I followed, for over a decade…), but I eventually point to those four posters and say, “But that’s the kind of visualization I did for decades, to earn my living.”

Now the exact image from the Not Knot poster (shown here) was made, not by me, but by Charlie Gunn for the video of the same name. Another of the posters shows an image, by Scott Kim using Mathematica, of five interlocking tetrahedra … that makes the Rio Rewards PMC Certification silver tetrahedron project look simple by comparison…! But I was using the exact same tools to create the same and similar images, and researching how visualization might help students to understand the concepts involved.

So how does any of this tie back to Maryam Mirzakhani, other than that she has worked on “geometric objects whose points each represent a different hyperbolic surface” and, more recently, on “the symmetry of surface geometry”? Well, as I was going through school, I know I was repeatedly told by male teachers and classmates that I was OK at mathematics, where OK was often clearly intended to mean something like, “better than most girls I know, but watch out because this really is a field for guys.” (Not always, of course; but often enough to be discouraging. Donna would talk about hearing similar tones about her work.) In fact, one of the major reasons I went down the path of trying to understand how students learned math and how high school and college teachers might better teach it was because I wanted (I’m about to end this by mixing a whole bunch of metaphors: sorry!) to help level the playing field in mathematics by raising the tide for everyone, male and female. I just hope that, at last, having a woman earn a Fields Medal will be another step down that same path, and will encourage more young women to follow it too. It really can be fun and, now, rewarding too!

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“At a Confluence” at The Confluence

Posted by C Scheftic on 2014/08/15

confluence |ˈkänˌfloōəns; kənˈfloōəns|
noun
ORIGIN late Middle English : from late Latin confluentia, from Latin confluere ‘flow together’

  • the junction of two rivers, esp. rivers of approximately equal width
    here at the confluence of the Laramie and North Platte Rivers;
  • an act or process of merging
    a major confluence of the world’s financial markets.

Many thanks to my fellow Koolkat artist Judi Erno for giving me a heads-up about the exhibit, At a Confluence, juried by the Hoyt Center for the Arts, and to be displayed in the Art Gallery at The Confluence coffee house in New Castle, PA, from August 15 to November 13, 2014. Judi saw the Call for Artists and recognized how perfectly my new series of pendants might fit with that theme. I’m delighted to report that two of my pieces have been accepted for this show:

Zipping Along Together
Bronze on Copper
Sparkle (Together) on a Stormy Night
Copper on Bronze with CZ

The At a Confluence exhibit runs from August 15 to November 13, 2014. Should you find yourself in that part of Western Pennsylvania during that time, do check out the show, as well as the reading room & lending library (with delightful artist-created shelves!). At the coffeehouse, you can also enjoy breakfast, lunch or dinner Monday through Saturday from 8:00 a.m. to 8:00 p.m.

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