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A number of interesting assembly puzzles can be made from pieces consisting of simply joined cubes in various numbers and arrangements. Piet Hein's Soma Cube is a notable example, consisting of all the simply joined non-convex polycubes having four or fewer units. Generally, a polyomino or polycube puzzle is presented as an outline or volume to be filled in with a certain set of pieces. It is up to the solver to figure out how to pack the pieces to fill the specified form.
Among the more interesting of the polycube puzzles are the solid pentominoes. The flat pentominoes are commonly used in early elementary education programs, so many readers will doubtless be familiar with them. Extruding the flat pentominoes by one unit in the Z-dimension gives the set of what are traditionally called "solid pentominoes." They can be used to solve any flat pentomino puzzle, but also to create various 3D shapes. The 3D puzzles are considerably more challenging.
To make a satisfying polycube puzzle requires that the pieces be dimensioned very accurately, so they will always pack closely regardless of their arrangement. To achieve this accuracy with common hand tools is very difficult. However, blank dice provide a convenient and inexpensive source of accurate, precise unit cubes which may be joined to create the various pieces. The use of translucent dice is recommended, both because they look cool and because they're gauranteed to be acrylic and hence strongly bondable with standard acrylic cements. All the opaque dice I've tried to glue have proven highly resistant to adhesives of all types; I suspect they're made out of polyethylene.
Tools:
Materials:
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I recently came into a nice bottle of absinthe (OK, it was a very strange Father's Day gift, if you must know). The classic way to drink the green stuff is an Absinthe Drip, which is composed of a couple of ounces of absinthe, and a few ounces of ice water dripped over a sugar cube into the drink.


You can do the sugar and water bit through any strainer, but the stylish way is on a dedicated piece of gear called an absinthe spoon. I don't make this drink with great enough frequency to warrant buying one, so I joked with a friend about laser cutting one instead. Why just joke about it? This here is for you, Tod.

I traced a photo of a Toulouse Lautrec-designed spoon in CorelDraw. I modified the design a bit, and added my initials at the top. I then used this vector file to cut a piece of 1/8" acrylic on an Epilog Zing laser cutter. I'm very pleased with the results! However, I would warn against setting your sugar cube on fire over an acrylic absinthe spoon.
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"Keeping Americans safe in an increasingly digital world depends on our ability to lawfully screen materials entering the United States,"Um... right, but, again, the contents of the a computer laptop can easily enter the United States via the internet with no border control process whatsoever. The whole claim that this has anything to do with screening materials entering the US is totally bogus.

Go back to school with the support of makers in education! Make: Education is a Ning social network for teachers interested in connecting around hands-on projects. Connect with like-minded teachers and get ideas and support for your classroom! We hope you'll pop on by and sign up.
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Apparently, unauthorized copies of the unfinished and unreleased track "I Got All Of That" by Gucci Mane have been stolen and sent out to certain websites by parties unknown to us. In cooperation with the artist and his manager, we instructed our third-party vendor to notify websites to take down the unauthorized track from their sites immediately. We appreciate the cooperation of sites that recognize that this unfinished song does not represent the artist's complete vision and may have been obtained illegally.Of course, that doesn't really address the issue. The complaint from Gray Zone didn't just target that one song, but all content related to this artist, and because of that, it forced the guy's blog offline -- all the while he's receiving plenty of songs directly from the record label. You can understand where there might be some confusion there. At the very least, someone should have just contacted the guy directly with a friendly request, rather than sending the immediate ALL CAPITALS cease-and-desist threat.
Poster artist Ward Sutton did a great 12-panel comic strip review of the film Died Young, Stayed Pretty, a documentary film by Eileen Yaghoobian about show posters that opened at the IFC Film Center in NYC July 17. (Here's a trailer for the film.)
Tour dates for screenings can be found here.

MAKE subscriber Brian Richardson writes in:
Learn to build your own Arduino-compatible board at this introductory class being offered by DorkbotPDX. The class fee includes a kit of parts to make the Dorkboard, a USB programmer, and help with putting it all together.
WHAT: Arduino Cult Induction -- Rev 7 -- Build a Dorkboard
WHERE: Pacific Northwest College of Art (NW 12th and Johnson room 101)
1241 NW Johnson St., Portland, OR 97209
WHEN: Sunday August 30th from 1 to 5pm
HOW MUCH: $35, including parts.
Looking for some cool local events to attend, or organizing one that you want to share? Be sure to check out the event calendar!
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"My heart sank into my stomach. All the hard work, all the sleepless nights I had endured was playing back in my head as I read this article written by a woman I didn't even know," [Aisha] Curry told BV Buzz. "Why did I feel so connected to this article? Suddenly, it came to me. It was my work! It was my work, my voice, but in her words."Well, there's a problem there. If it's her words then it's not plagiarism. Also, Curry seems to undermine her own argument in explaining how she came up with the idea for the book:
"One day about five years ago, I was absolutely tired of being told that I was pretty for a black girl," she explained. "I started asking my friends if they had heard this statement before, and as time went on, I realized how prevalent the issue was."Right. The comment is apparently prevalent, meaning that Tameka Foster certainly could have heard the same thing on her own, and could have decided to write her own essay about it. That's not plagiarism. That's multiple people recognizing something that's prevalent and deciding to write about it. Foster's representatives claim they've never heard of the book. But the real question is whether or not it's actually plagiarism, and that could have been determined by finding out if there were any passages actually pulled from the book. Unfortunately, it doesn't look like anyone actually decided to do that. However, as you read Foster's article, much of it seems to be about her own personal experiences, not Curry's, which again suggests this isn't plagiarism at all, but two people writing about a similar concept that is (as admitted by Curry) already "prevalent."
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The Moleskine version of my Thermochromic Maker's Notebook was recently exhibited in Hong Kong at the headquarters of Moleskine Asia. Apparently they think Texas is part of Mexico. Oh well.
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Cigar Box Nation founder Shane Speal has posted four great videos to teach you how to play your 3-string cigar box guitar. Above, how to play leads (blues and Middle Eastern) on one string.
Shane Speal's cigar box guitar lessons
A team from McGill University, Montréal are exploring the use of ice as a rapid prototyping medium. Their project, New Architecture of Phase Change: Computer-Assisted Ice Construction focuses on computer-controlled techniques for constructing objects at varying scales out of ice.
Currently, the practical applications of this project include commercial and industrial part modeling, and construction for the ice-tourism industry. For instance, small-scale ice models represent economical alternatives to intricate 3D models of architectural objects, be they scale models of buildings, site models, or building details. Presently, casting techniques are being investigated in order to produce high-quality metal copies from ice originals. In the long term, inhabitable, environmentally-friendly structures will be built at the architectural scale using computer-assisted techniques, thus increasing the level of automation in an industry that is currently very labour intensive.Read more | Permalink | Comments | Read more articles in Science | Digg this!
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Introducing Make's Fascination series: Adam Summers' Fascination with Sharks! Editor and Publisher Dale Dougherty writes:
What fascinates you about science and technology? Do you remember something that caught your interest as a kid and fascinated you? What fascinates you today in the work you do? These are basic questions that get at how we're personally motivated to explore, learn and ultimately create new ideas. I wanted to ask a group of scientists and technologists these questions and present their answers in this Fascination video series. I hope you find them and their stories as fascinating as I do.
This summer, O'Reilly organized an event with Google and Nature called SciFoo where scientists from around the world are invited to a open-ended, unstructured event on the Google Campus in Mountain View, California. At SciFoo, I interviewed a dozen or so scientists and/or technologists across a range of disciplines and interests. I wanted to know what fascinated them as a child and how that might be connected to work they do today. Each one of them demonstrates the truth of Emerson's maxim: "Nothing great is achieved without enthusiasm."
The first interview in the series is Adam Summers who works in the field of Comparative Biomechanics, a field he didn't know existed when he graduated from college. He didn't even graduate in biology. It wasn't until he found himself collecting fish on the Great Barrier Reef as a self-proclaimed "bum" that he discovered that he wanted to become a biologist. Now, "I'm interested in how sharks swim fast." Sharks don't have a rigid skeletal structure like bony fishes. "Comparative Biomechanics is one of those fields at the interface" between disciplines, says Adam.
Fascination with Sharks: Adam Summers.
Well, we loved them all, and agonized over choosing two winners to receive a ticket to next month's Handcrafted CSS workshop. But decide we did!
Winner #1 is @wilto, waxing poetic about a place we've all been, surely:
IE6 lives on.
Box model—and heart—broken.
position: fetal;
And Winner #2 is @squaregirl , who in three perfectly penned lines reminds us of the importance of validation during development:
Curly braces sound cute.
Until you leave one out. Oops!
I fracked my stylesheet.
Congrats to the winners! And thanks again to the fine folks at Campaign Monitor for sending them to the workshop. Which, by the way, is only a little over two weeks away. Spaces are being filled up, so grab a ticket and join us in Salem, won't you?
"Cop Investigated for Feeding Gorillas Pop-Tarts?"Surveillance video captured the incident last January, around 2 a.m., when two zoo security guards snuck four to eight people into the zoo. Among the unauthorized visitors, was an off-duty St. Paul Cop.
The Como Zoo isn't sure if the gorillas actually ate the Pop-Tarts or not. Regardless, the gorillas appear to be doing just fine.
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"With these polymers, you can specify stiffness in different sections, rather than building a robot with discrete sections," says (mechanical engineering professor Kamal) Youcef-Toumi. "This philosophy can be used for more than just fish" - for example, in robotic prosthetic limbs... Later this fall, the researchers plan to expand their research to more complex locomotion and test some new prototype robotic salamanders and manta rays. "The fish were a proof of concept application, but we are hoping to apply this idea to other forms of locomotion, so the methodology will be useful for mobile robotics research - land, air and underwater - as well," said (grad student Pablo) Valdivia Y Alvarado."Robots swim with the fishes"

Everybody give it up for Papercraft Keyboard Cat! Wooh-ooOOh!
Bonus awesome points to those who keep dancing throughout the assembly process. Grab the pattern over TubbyPaws blog. [via Kitsune Noir]
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Map (Thanks, Sam!)

Irving, Texas, is the home of this clever sculptural fountain by Robert Glen. A fountain jet beneath each hoof gives the illusion, particularly in still photographs, that the bronze horses are splashing through the water.
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Rumi Nagashima, 22, navigates Tokyo in her wheelchair on the way to a girl scout meeting where she’s the troop leader. In Ngawle Village, Malawi, Edith Kapuka, 13, is playing ball with her school friends before walking a trail to her small hut. Across the world in San Francisco, James Bullock, 57, steers his cable car up San Francisco’s steep hills. And you? You’re in the middle of it all. An array of video projectors immerses you in a day in the life of everyday people around the world. Look left, and there’s Israel Feliciano, 23, a hip-hop singer in a favela of São Paulo, Brazil. Behind you is Muttu Kumar, 18, a postcard vendor hawking his wares in Hampi, India. This is an installation of the Global Lives Project, a volunteer effort originally launched to “record 24 hours in the lives of ten people that roughly represent the diversity our planet’s population.”Think Globally, Record Locally
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Because Google does not disclose the criteria for ranking news articles or search results, he said, newspapers are unable to hone their content to try to earn more revenue from online advertising.Of course, that's silly. First, plenty of people have figured out how to optimize for Google -- there's a whole industry called SEO that does that. That doesn't mean that Google needs to reveal the secret sauce. But the best response to the demand for Google to reveal how it ranks stories comes from Danny Sullivan, who turns the story around, and wonders how newspaper would feel in the other direction:
No newspaper editor of any quality would allow an external interest to walk into their newsroom and demand to know exactly how to guarantee a front page article about whatever they want. But that's what the Italian papers seem to desire. Google has an editorial process for producing rankings, one that's done using automation -- but the papers seem to want to bypass those editorial decisions.Exactly. The newspapers are basically demanding that their stories get ranked higher, but how would newspaper editors feel about the subjects of stories in the paper demanding that their stories be on the front page. After all, being on the front page would get the subject of a story more attention, and the newspaper isn't paying those subjects -- so the newspaper is "getting all the value." -- at least according to newspaper logic.



This, my friends, is one of the most innovative (and cute) multimedia artist of our time - Videohuahua. He travels the world as apprentice & sidekick to video artist Fernando Llanos, performing with a variety 'onboard' projection & camera gear. I'm guessing we'll see some pretty edgy guerilla-art from the duo down the line. [via Create Digital Music]
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Save money while helping the environment with this rustic, wine barrel water collector.
Thanks go to Chris & Michri Barnes for the original article in MAKE, Volume 18.
To download The Barrel Water Collector click here or subscribe in iTunes.
Check out the complete Barrel Water Collector article in MAKE, Volume 18
and you can see that in our Digital Edition.

Save money while helping the environment with this rustic, wine barrel water collector.
Thanks go to Chris & Michri Barnes for the original article in MAKE, Volume 18.
View the PDF of this project. and then subscribe to MAKE Magazine for other great projects
you can do over the weekend.
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Sam Brown points out this video visit to the workshop of high-end knifemaker Joel Bukiewicz. It's a nice little documentary that avoids rushing through the topic, covering a bunch of excellent details from an otherwise private, happily-obsessive process. Plus Joel gives his take on some aspects of the craft few know about. Some more info over @ CHOW.
Related:

How knives are made
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The homework assignments in this class are copyrighted by Dr. Beeson, including the names of the assignments, and the names of all the required classes and methods, all the examples that are posted with the assignment, and the problem descriptions and programming hints that are posted. Your solutions are your own, but if you want to post them publicly, you must change the names of the classes and methods, and you cannot post the problem descriptions. This should enable you to show your work to a prospective employer, and possibly allow me to re-use the assignments without future students being able to Google your solutions.Now, to give Dr. Beeson credit, he appears to be trying to come up with a reasonable compromise here, allowing Kyle to do the sorts of things he wanted to do, without making it so that he would have to come up with new assignments every semester. So, I can respect that. But, I'm not sure that he's got a legal right for all of that. It's not entirely clear if the names of the assignments are enough "creative expression" to warrant a copyright. Ditto for the names of required classes and methods. Even if they were, I would imagine any student would have a pretty strong fair use argument in reposting them.
With just over two weeks left in the consultation, there should be no doubt that the lobby groups will be engaging in a major effort to push for their DMCA-style reforms. The calls for three-strikes and you're out, notice and takedown, DMCA anti-circumvention legislation, and no flexible fair dealing will only get louder. Now is the time for Canadians - many of whom could not get a seat at the townhall since it was filled by industry reps just days after the consultation launch - to speak out. Don't wait - send in your comments today and encourage others to do the same.The Toronto Music Industry Town Hall
The repentant former KKK leader Johnny Lee Clary explains how Reverend Wade Watts, an NAACP leader, disarmed him by being cool, funny and brave, engaging in some first-rate psy-ops. Be sure to listen through to the end for the chicken story.
Former Ku Klux Klan leader Johnny Lee Clary (Thanks, Fipi Lele!)

This is a really nice instructable about using a PIC to read the direction of rotation from a digital rotary switch. I like the idea of dialing in a variable, instead of using button.
The objective for this Instructable is to illustrate how to interface a digital (quadrature coded) rotary switch with a microcontroller. Don't worry, I'll explain what quadrature coded means for us. This interface and the accompanying software will allow the microcontroller to recognize the direction of rotation for each move from one detent to another.
In the Maker Shed:
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Make: Arduino
Last month I blogged about Richard Kadrey's Sandman Slim, a glorious, gritty revenge novel from hell, tinged with Aleister Crowley, Tom Waits and Raymond Chandler. Sandman Slim, AKA Stark, is one of Los Angeles's magicians, and 11 years ago, his fellow magicians sent him to hell because they were jealous of his power. He's spent the past 11 years fighting in Hell's gladiator pits and working as an assassin for one of Hell's Dukes, but now he has escaped to Earth and is on a quest to hunt down and execute his betrayers.
I've just finished listening to the unabridged, 10-hour audiobook of Sandman Slim, which is available on a single MP3 CD without DRM from Brilliance Audio. The reading is performed by Macleod Andrews, who does the narration in a perfect whiskey voice that's 80 percent Tom Waits, 20 percent Clint Eastwood. The performance and production are marvellous, a great interpretive reading that really brought the novel to life for me. I also love that I could get it without having to suffer through either DRM through one of the audiobook download stores or through ripping ten CDs' worth of material, which is how I normally get my audiobooks onto my computer.
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In broad terms, [the court reporter's] fee claim rests on the tacit premise that court reporters in some legal sense own the content of the transcripts they prepare, such that they are entitled to remuneration whenever a copy of a transcript is made (even if they played no role in making the copy). To accept this premise would effectively give court reporters a "copyright" in a mere transcription of others' statements, contrary to black letter copyright law. See 2 William F. Patry, Patry on Copyright, Ch. 4 Noncopyrightable Material, § 4.88 (Updated Sept. 2008) (court reporters are not "authors of what they transcribe and therefore cannot be copyright owners of the transcript of court proceedings").
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YA author Scott Westerfeld's next novel is Leviathan, a remarkable YA steampunk adventure story that pits Darwinists (the English side, with their evolved war-machines created by splicing and dicing various animals' genomes to make zeppelins) against the Machinists (the German side, who use enormous, precision-made, steam-driven mecha and the like) in an alternate WWI.
The book is fantastic -- I read an early galley some months ago, and my full review is going up on Oct 6 when the book comes out -- but even better is the unabridged audiobook, read aloud by Alan Cumming. Simon and Shuster audio have just released the first chapter as a free stream, and I'm enjoying it immensely.
Chapter 1 of Leviathan, Read Aloud!
Analysis requires a lot of uninterrupted thought, and depression coordinates many changes in the body to help people analyze their problems without getting distracted. In a region of the brain known as the ventrolateral prefrontal cortex (VLPFC), neurons must fire continuously for people to avoid being distracted. But this is very energetically demanding for VLPFC neurons, just as a car's engine eats up fuel when going up a mountain road. Moreover, continuous firing can cause neurons to break down, just as the car's engine is more likely to break down when stressed. Studies of depression in rats show that the 5HT1A receptor is involved in supplying neurons with the fuel they need to fire, as well as preventing them from breaking down. These important processes allow depressive rumination to continue uninterrupted with minimal neuronal damage, which may explain why the 5HT1A receptor is so evolutionarily important.Depression's Evolutionary Roots (via Neatorama)Many other symptoms of depression make sense in light of the idea that analysis must be uninterrupted. The desire for social isolation, for instance, helps the depressed person avoid situations that would require thinking about other things. Similarly, the inability to derive pleasure from sex or other activities prevents the depressed person from engaging in activities that could distract him or her from the problem. Even the loss of appetite often seen in depression could be viewed as promoting analysis because chewing and other oral activity interferes with the brain's ability to process information.
But is there any evidence that depression is useful in analyzing complex problems? For one thing, if depressive rumination were harmful, as most clinicians and researchers assume, then bouts of depression should be slower to resolve when people are given interventions that encourage rumination, such as having them write about their strongest thoughts and feelings. However, the opposite appears to be true. Several studies have found that expressive writing promotes quicker resolution of depression, and they suggest that this is because depressed people gain insight into their problems.
WAHHA GO GO is a mechanical Japanese laughing robot that uses a flywheel and bellows; the accompanying text says something like, "Moving the bellows with the rotation of the flywheel energy in the wind 'artificial vocal'. Rashitsutsu the 'Pitch' 'formant' "amount of air flow' to control the machine like a human laugh."
WAHHA GO GO
(via JWZ)

Steampunk Art @ Oxford (Thanks, Art!)

Now that is love.
Where the Wild Things Are cupcakes (via Neatorama)
There is something that can be done, and the federal government ought to do it: allow sports betting on newspaper Web sites. That would save every newspaper in America. The New York Times.com could do it. Plenty of British papers do this; for them it's a crucial part of their net revenue stream. I know a major newspaper in London that makes $15 million a year from sports betting alone.I think it's a lot better of an idea than a paywall (though, Zuckerman likes the paywall idea, but tellingly notes, "I'll be the second or third to do it. Not the first."), but I'm not sure why a newspaper is any better at doing it than other sites. Perhaps because they have the sports reporting, but it's not clear how that's really unique to them. On top of that, given the way the US gov't treats online gambling as being something somewhat close to pure evil, combined with the powerful casino lobby, it's difficult to see this actually getting anywhere.
They Might Be Giants is one of my favorite bands of all time, and over the past few years they've made some really top-notch kids' albums, each of which I make sure to buy for my nephew. The newest one is called Here Comes Science, and the song above is called "Electric Car." I love the recycled papercraft animation style. [via BBG]
More:
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Matthew Paul Thomas "Why Free Software has poor usability, and how to improve it".... Interesting article via Tom-
When I wrote the first version of this article six years ago, I called it “Why Free Software usability tends to suck”. The best open source applications and operating systems are more usable now than they were then. But this is largely from slow incremental improvements, and low-level competition between projects and distributors. Major problems with the design process itself remain largely unfixed.Many of these problems are with volunteer software in general, not Free Software in particular. Hobbyist proprietary programs are often hard to use for many of the same reasons. But the easiest way of getting volunteers to contribute to a program is to make it open source. And while thousands of people are now employed in developing Free Software, most of its developers are volunteers. So it’s in Free Software that we see volunteer software’s usability problems most often.
That gives us a clue to our first two problems...
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About a year ago, Phil posted about Telstar Logistics' rockin' custom Tonka truck mods. As it turns out, Todd Lappin wrote a how-to for turning this classic toy into a one-of-a-kind ride for MAKE Volume 19. Todd has a longstanding tradition of presenting this durable classic to all friends and family members upon arrival of their firstborn child. When Todd had his own firstborn baby girl, there was no doubt she was getting a Tonka, but naturally he wanted to mod hers to be extra special, and his Tonka modding days began full force. First came the Rat Rod Tonka detailed by Oakland pinstriper Eric Kirby (my favorite, pictured above), followed by a pink Hello Kitty Tonka and a whole pink Tonka brigade:

In the article, Todd shares his extensive Tonka modding knowledge garnered from numerous mods. Deconstruct, prep, paint, rebuild, add flair, repeat. Why reinvent the (plastic) wheel when you can learn from a pro?

Pick up your copy of MAKE Volume 19 in the Maker Shed or on a newsstand near you.


Grab your friends, your relatives, and your robots, and get ready for a great time this Saturday at the Ann Arbor Mini Maker Faire! Don't let the mini in the title dissuade you, there will be plenty of cool things going on. From the event website:
Local "Makers" will demonstrate robots, bookbinding, electric vehicles, computer-controlled machinery, high-altitude balloons, vortex cannons, and other projects, devices, and inventions at the first Ann Arbor "Mini" Maker Faire, Saturday August 29, at the Washtenaw Farm Council Fairgrounds. Visitors can silkscreen their own t-shirt and learn to solder by making their own "Wee Blinky" electronic circuit to take home. Admission, parking, and all activities are free. Over 25 different groups and individuals from the Ann Arbor and surrounding area are scheduled to exhibit.
I'll be exhibiting a few of my projects there, be sure to stop by and say hi!
WHAT: Ann Arbor Mini Maker Faire
WHERE: Washtenaw Farm Council Fairgrounds
5055 Ann Arbor Saline Road, Ann Arbor, MI 48103
WHEN: Saturday, Aug. 29 10 a.m. to 5 p.m.
HOW MUCH: Free!!!

Droops of the Daily Duino shows off this painting created by a student enrolled in his Summer Arduino class. Wow - must be a pretty enthralling curriculum to inspire microcontroller art! Now he gets to use it as a reference chart with his next round of students.
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