Maker Faire Detroit: Pumpkin Embalmer interview

By , 2010/07/22 @ 5:42 pm

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The first ever Maker Faire Detroit is taking place next weekend (July 31 and August 1) at The Henry Ford, and the more I read about the over 250 makers who will be displaying their creations, the more I’m amazed at the variety of projects that will be there. Arts, engineering, robotics, food, you name it. Today we chat with Steve Frey, the brains behind Dr. Frybrain’s biodegradable Pumpkin Embalmer.

1. Tell us about the project(s) you’re bringing to Maker Faire.
Pumpkin Embalmer is a chemical formula that extends the life of carved pumpkins, aka jack-o’-lanterns. Normally pumpkins only last a day or two before they start to rot. Why? Decay bacteria need two things: water and food. A pumpkin is 90% water, and the other 10% is food! The bacteria also need an acidic environment (pH below 7), and pumpkins are naturally acidic. Pumpkins will also start to shrivel as they naturally lose their moisture.

When a carved pumpkin is soaked in the Pumpkin Embalmer solution, the natural moisture is drawn out of the flesh of the pumpkin, and it is replaced with a mineral. This starves the bacteria of their water source, and at the same time helps to retain the pumpkin’s natural shape. The solution also has a high pH level (basic), which raises the pH of the pumpkin, thus retarding the growth of the bacteria.

2. How did you hear about Maker Faire and why did you decide to participate?
A friend of ours is actively involved in the DIY “Home Haunt” scene, and suggested we attend. We are hoping to find a company or individual interested in licensing our chemical formula (U.S. patent pending) and registered trademark, to produce and distribute the product.

3. Tell us about yourself. How did you get started making things and who are your inspirations?
Ever since I can remember, I have always loved working on some sort of a “project” or craft. By the time I was in junior high school, I knew that I wanted to design things for a living. Back then, everything was done on a drafting board with a pencil, but as I progressed in my profession so did technology, so now I work out my designs with state-of-the-art CAD software.

I can’t say that anyone has ever inspired me, as I have always been a self-starter. I will say, however, that I have a great respect for men like Thomas Edison, Benjamin Franklin, and Leonardo Davinci because they did not accept the world for what is was, but rather imagined what it could be.

4. Is your project strictly a hobby or a budding business? Does it relate to your day job?
Invention is my hobby. Pumpkin Embalmer is only one of my inventions. In fact, at any given time, I am working on or experimenting with at least half a dozen different ideas. For me the joy is in the design of something that has never existed before, but once it has been created, I seek out ways to turn my ideas into a business. In my day job, I design things for companies, with their goals and objectives in mind. When I design for myself, I am free to be much more creative.

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You know you want a picture with Dr. Frybrain’s 1983 hearse, which will be parked on-site all weekend.

5. What new idea (in or outside of your field) has excited you most recently?
I am encouraged by the advancements is rapid prototyping. The higher-end machines are coming down in price, while the lower-end machines are improving their capabilities. I am hopeful the two will meet in the middle soon, so that we will have a high quality, yet affordable, machine.

6. What is your motto?
I have a few that I like, depending on the situation:

a. Work smarter, not harder.
b. Challenge the notion that something has to be a certain way because “that’s the way it’s always been done.”
c. Do something right, or don’t do it at all.
d. No half measures.

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7. What advice would you give to the young makers out there just getting started?
Just START! Try out an idea. If it doesn’t work, that’s alright. Don’t treat it as a failure. Consider it a learning experience. Try it again, but maybe a little different the next time. But most of all, don’t listen to people who tell you that your idea will never work. Where would we be right now if the Wright brothers or Steve Jobs listened to such advice?

8. What do you love most about Detroit?
We can do anything here, and the rest of the world knows it. When I travel, being from Detroit gives me instant credibility.

Thanks, Steve! Folks, if you’re in the Detroit area next weekend, come play with us at The Henry Ford. All the information you need, including how to get tickets online, is on the Maker Faire website. See you at the Faire!

FreeTrack, an open source head-tracking program

By , 2010/07/22 @ 1:28 pm

FreeTrack is an open-source head tracking program for Windows. Using a webcam (or WiiMote) and some LEDs, the software is able to determine where your head is and where you are looking. It appears to be used mostly for gaming, but could come in handy if you need a simple way to track things in your next project. [via nicholaswallen]

The Chipophone: An 8-bit synthesizer

By , 2010/07/22 @ 12:05 pm

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Linus Ã…kesson’s Chipophone is a 8-bit synth built into an old electric organ.

All the original tone-generating parts have been disconnected, and the keys, pedals, knobs and switches rerouted to a microcontroller which transforms them into MIDI signals. Those are then parsed by a second microcontroller, which acts as a synthesizer.



The synthesizer is implemented on an ATmega88, an 8-bit microcontroller with 1 kB of RAM and 8.5 kB of ROM. It receives MIDI data at a jumper-configurable baud rate and produces a 12-bit mono line out signal.

The Chipophone

Toolbox: Retro kids tool sets

By , 2010/07/22 @ 11:01 am

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In the Make: Online Toolbox, we focus mainly on tools that fly under the radar of more conventional tool coverage: in-depth tool-making projects, strange, or specialty tools unique to a trade or craft that can be useful elsewhere, tools and techniques you may not know about, but once you do, and incorporate them into your workflow, you’ll wonder how you ever lived without them. And, in the spirit of the times, we pay close attention to tools that you can get on the cheap, make yourself, or refurbish.


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Everyone has their first maker experience story. Mine was when I was five years old and I got a Handy Andy Tool Set for Christmas, exactly like the one pictured here. My mother walked into our kitchen and cried out in horror as she found me on the counter, using my tools to take apart the family toaster. That was transgressive enough, but the appliance was still plugged in! As the story goes, I had a hammer and screwdriver jammed down into the heating coils and was going to town.

I’ve always had a special misty-eyed fondness for that tool set (and my first Erector Set I got a few years later). Periodically, I go online and do a search on these sets and reminisce. Recently, I bumped into a blog post on Sir Richard’s Tool Kit. He got the same set that I did, also for Christmas, at five years old. His post concludes:

It was a great thing to have these at such a young age. I did a fair amount of harm to myself and the tools during the learning process, but it all worked out in the end. It was that introduction that gave me such a strong interest in tools and making things. Those are skills that have helped me to no end. And that makes me think of the quote by the great Red Green, “If they don’t find you handsome, a least they’ll find you handy.” Words to live by.

I can only hope that kids today, at least those with make-minded parents, will have similar fond feelings, looking back on their first Sparkle Labs or Gakken kits or whatever.

What are your kid tools remembrances and what was your first “maker experience?” Share your stories in the comments.
More:

This is not a real butterfly…

By , 2010/07/22 @ 9:37 am

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…but non-lepidopterists will probably be hard-pressed to figure that out just by looking at it. The video rates high on the jaw-dropping scale. The ChouChou electric butterfly is, in fact, a lepidoteroid robot, of sorts, from Japanese firm Tenyo Magic. It perches, flexes and flaps its wings, and flutters around its jar when disturbed. Preorderable now from JapanTrends.com. [via NOTCOT]

How-To: Restore the color of old Lego bricks

By , 2010/07/22 @ 9:00 am

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We’ve written before about Retr0brite, a technique that originated among vintage computer/electronics enthusiasts for restoring original factory case colors after years of weathering and yellowing. As it happens, the same technique can be used to restore old, yellowed Lego elements, and there is in fact an entire site dedicated to the method, which involves making a gel from 11% hydrogen peroxide, glycerine, vegetable gum, and a touch of sodium percarbonate (OxiClean). The gel is liberally applied to the yellowed plastic and exposed to a strong UV light source, e.g. sunlight, over the course of a couple days.

Turns out the yellowing of old ABS plastic is due to degradation of bromine-containing fire retardants which are added to the plastic during manufacture, which release elemental bromine, causing the yellow color. Shining UV light on the gel accelerates the decomposition of the fragile oxygen-oxygen bond in the peroxides it contains, generating reactive hydroxyl radicals which scavenge the free or loosely-bound bromine in the plastic that causes discoloration.

How-To: Make a metal cracker

By , 2010/07/22 @ 7:37 am

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New York artist Herbert Hoover, aka Makers Market seller Snacks & Bones, presents a tutorial on how to cast your favorite Saltine™-type cracker in shiny pewter. Hoover’s iconic, numbered crackers are sold in Art-o-Mat vending machines around the country, and the Cracker Tracker collects photos of crackers and their proud owners from all over the world. If you don’t have the tools or the time to make your own, and you can’t find a nearby Art-o-Mat, Hoover will gladly sell you one for $15.

8-bit city maps

By , 2010/07/22 @ 7:06 am

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The 8-Bit Cities project, which started with 8-Bit NYC, is an attempt to make the city feel foreign yet familiar, smashing together two culturally common models of space: the lo-fi overhead world maps of 1980s role-playing and adventure games, and the geographically accurate data that drives today’s web maps and GPS navigation. I hope to evoke the same urge for exploration, abstract sense of scale, and perhaps most importantly unbounded excitement that many of us remember experiencing on the Nintendo Entertainment System, the Commodore 64, or any other number of 8-bit microcomputers. Maps offer us visual architectures of the world, encouraging us to think about and interact with space in particularly constrained ways. Take some time to think about your surroundings a little differently. Set out on a quest. Be an adventurer.

[Via Astera]

"I make …" 2010

By , 2010/07/22 @ 5:44 am

Meet just a few of the makers & crafters who made Maker Faire Bay Area 2010 such a great event – a big thanks to everyone helped make it happen.

Be sure to check out Maker Faire Detroit and the upcoming World Maker Faire in NYC!

Subscribe to the MAKE Podcast in iTunes, download the m4v video directly, or watch it on YouTube and Vimeo.

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