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April 23 2012
BotSpot – Open Source Art Robots

What happens when you mix art with robotics and make it open source? That’s the question that haunts Carter Stokum and Wayne Campbell, two artists with technical backgrounds who want to find the answer. Both passionate about the idea, they’re currently running a Kickstarter campaign to create a community to explore the question.
These two met as student and teacher when Carter was Wayne’s instructor for several classes at TechShop. As time went by, they became friends, and as tends to happen between friends, they discovered common interests. It turns out that robotics, which Carter knows well, when applied to construction, which Wayne knows well, made for interesting conversation.
A train of thought that started with robots doing automated 3D scans of buildings under construction would meander into robots painting parking lot lines. Many of the tasks they discussed had been done by robots in Japan for over a decade but had never found their way to the US. While they felt challenged to perhaps address this gap, before they could take action, they had an epiphany. If robots could mark up construction sites, then robots could certainly paint using the world as its canvas.
That insight set them free. What if a robot could draw giant portraits in public places? How cool would it be if a robot kept a giant calendar so Google Satellite images could be dated? What fun would come from the ability to paint giant mazes? But then it dawned on them that these were all too predictable, too rigid. There wasn’t enough artistic expression in the making of exact copies.

What they’d been thinking about so far was creating vector art, the kind of graphic defined by math which can scale perfectly to any size. It didn’t include variability, randomness, and bit-mapped elements which could be means of artistic expression. They wanted to expand the definition of what their art robot might do.
What if an artist mixed vector and raster graphics and incorporated randomness based on tweets received from a community of followers? How cool would it be to have a robot incorporate environmental factors such as light, heat, and humidity into its output? What if a robot’s movement could have randomness injected into its path, allowing its tread to periodically overwrite the art?

To their artistic way of thinking, this was getting pretty exciting. If the code they wrote was open, then anyone could make modifications. There could be thousands of different ways of injecting artistic expression into the robot’s art and most of them might never occur to Wayne and Carter. The prospect of what might come of open software got them thinking about open hardware.
Spray paint and chalk are the media they’d been thinking about. Then someone asked Carter about painting on ice. Another wanted to apply frosting. Yet another was interested in using felt-tip markers as their medium. Each of these would require hardware modifications to be done well. Opening up the hardware design would add many new dimensions and not just to applying the media. This was really getting interesting!
So now the definition of their ambitions took shape: using robots for creative expression with the world as a canvas was the goal. How could they achieve it? Open software and hardware would be the keys to having a community expose the possibilities but such communities don’t spontaneously appear. If they were going to explore the potential of this idea then they were going to have to build and foster a community. To fund the development of the website they chose Kickstarter.

These two are passionate to fill a gap between technology and art using robots to paint the world. Will they get the funds necessary to build and stock the site? Will their site succeed at enlisting a corp of people with a similar ambition? They hope so. However, even if it doesn’t, theirs is not a passion that’s ebbing anytime soon. Carter and Wayne are into this for the long haul and I suspect we’ll soon be seeing expressive evidence of their success.
April 22 2012
MAKE Flickr Pool Weekly Roundup
This week in the MAKE Flickr pool we saw…
lego production from rubygirl jewelry.
String Boat 1 from fsm vpggru.
Kevin’s Noise Box from Pete Prodoehl.
Tridimensional Chess Set (3D Star Trek Chess) (2) from gmjhowe.
Bubble Display Wiring from Mr. Bell.
Transistor Nixie Tube Clock – Completed from KLaFaille.
Wooden Knuckles from Pete Prodoehl.
April 19 2012
Matthias Wandel’s Carving Machine

Matthias Wandel’s Woodgears.ca may be my favorite personal maker website. It’s clean, well organized, packed with resources, and every click brings new inspiration. I can get stuck there for hours, so be careful when you click through.
This time it’s Matthias’s homemade 3D pantograph carving machine / pattern duplicator that I’m fixated on. Mechanical pattern-copying machines like this, of course, are not new. They’re often used in restoration work, for instance, to replace a damaged architectural detail by directly copying a surviving original.
There are commercial versions, but it’s also pretty common for shops to build their own, and Matthias’s is one of the best looking DIY versions I’ve ever seen. Plus, the build is documented with his characteristic attention to detail. In the embedded video, above, Matthias is using it to cut patterns of pips in giant wooden dice.
More:
Guitar “photocopier”
April 15 2012
MAKE Flickr Pool Weekly Roundup
This week in the MAKE Flickr pool we saw…
let there be light! from marianna – away for a few.
wind field from lookseeseen.
Polargraph Bracket Closeup Front from kongorilla.
DIY Printed Circuit Board from kjackman.
Lunch in the lab from jdoscher.
Decode and Drive sections from KLaFaille.
360˚ proximity sensor – top view from zeni666.
April 13 2012
April 08 2012
MAKE Flickr Pool Weekly Roundup
This week in the MAKE Flickr pool we saw…
Harbor drive from cloudchaser32000.
Robot Munny from Bryan_Collins.
Geometry On The Beach Year II from fdecomite.
Alas, pink Yorick from hudson.
Clamping a Tantillus 3d printer frame from John Biehler.
PCB Etching from MichaelRucci.
Ram Pack from nickandfelice.
April 06 2012
Make: Talk 012 – Ayah Bdeir of littleBits.cc
Here’s the 12th episode of MAKE‘s podcast, Make: Talk!
Our maker interview this week is with Ayah Bdeir, the founder and lead engineer of littleBits, an open source library of electronic modules that snap together with magnets, making it fun and easy to build interactive electronic projects.
I met Ayah at the TED2012 conference last month, where she was awarded a TED Fellowship for littleBits. You can watch my video interview with Ayah at TED here, and you can also watch Ayah’s TED presentation here.
And in this episode of Make: Talk, Ayah has a big announcement: littleBits has just launched its new littleBits Community, a website where people can share their creations. I’m looking forward to seeing the different projects people make with littleBits.
Ayah and littleBits will be at Maker Faire in San Mateo, California on May 19 and 20, and she’ll also be presenting at Make’s first Hardware Innovation Workshop in Palo Alto, California on May 15 and 16.
April 04 2012
High Schoolers Build the Styrofoam Plate Speaker

Every year for the past few years, David Veloz Jr., a Navy engineer, has volunteered to facilitate an outreach program for high school students with an interest in science and engineering, and MAKE has donated magazines. The students always make a project from the issue we send, and this year, they made the Styrofoam Plate Speaker, originally published in MAKE Volume 12. David says:
Hi Laura, Hope everything is well at MAKE. We’re chugging along doing what we always do, making the Navy better. I just had the high school students visit a couple of days ago for my workshop/session. As always, I told them a bit about myself and what I do and what engineering is. Then we got started on the Styrofoam Plate Speaker project, which they were very excited about. I was so surprised at how smart these kids were. We were talking about how speakers work, we talked about current and copper and magnetic fields, and they followed along very easily and were able to answer all my questions. They asked me how to get the resistance of a wire, and we talked about surface area and integrals, they told me about divergence and convergence (Gabriel’s Horn, which I still have to look up), they asked about batteries and polarity and magnetic poles… they were a smart bunch. I was really impressed.
I let them know that MAKE magazine donated the magazines to them; I was surprised only a few students had heard of it. They were impressed and appreciative.
David is stationed at Port Hueneme, in southern California.
Veloz’ reports from past years:
2009


April 01 2012
MAKE Flickr Pool Weekly Roundup
This week in the MAKE Flickr pool we saw…
[Untitled] from bert_m_b.
[Untitled] from mauxfaux.
homemade car from nicknormal.
trumpet hero rev2 from evilsigntist.
Rotofence Oldschool from mauxfaux.
Laptop, etch thyself from hudson.
Pedal Powered Generator from zeni666.
March 31 2012
March 30 2012
March 27 2012
John Muir’s Maker Days
The naturalist John Muir, who founded the Sierra Club and is depicted on the California state quarter, was also an amazing maker and became a local legend in Wisconsin, where he grew up, for his clever and artful inventions. One example is a working hickory wood clock shaped like a scythe, to symbolize the scythe of Father Time, with a bunch of arrows as a pendulum, symbolizing the flight of time. Project Gutenberg has published 1913 memoir, The Story of My Boyhood and Youth, in which Muir describes how he started making things as a boy, and how his life changed after he went to the State Fair in Madison to exhibit his inventions.
Muir recalls that he wanted to read whatever he could get his hands on, but his pastor father disapproved, saying that the Bible is the only book that humans require. John pointed out that some people can only read the Bible using eyeglasses, and so shouldn’t some people also study some helpful science, like optics? His father told him OK, if you must read, you can get up as early as you want and read in the morning. That night, he woke up at 1am. Muir writes:
I sprang out of bed as if called by a trumpet blast, rushed downstairs, scarce feeling my chilblains, enormously eager to see how much time I had won; and when I held up my candle to a little clock that stood on a bracket in the kitchen I found that it was only one o’clock. I had gained five hours, almost half a day “Five hours to myself!” I said, “five huge, solid hours!” I can hardly think of any other event in my life, any discovery I ever made that gave birth to joy so transportingly glorious as the possession of these five frosty hours.
In the glad, tumultuous excitement of so much suddenly acquired time-wealth, I hardly knew what to do with it. I first thought of going on with my reading, but the zero weather would make a fire necessary, and it occurred to me that father might object to the cost of firewood that took time to chop. Therefore, I prudently decided to go down cellar, and begin work on a model of a self-setting sawmill I had invented. Next morning I managed to get up at the same gloriously early hour, and though the temperature of the cellar was a little below the freezing point, and my light was only a tallow candle the mill work went joyfully on. There were a few tools in a corner of the cellar,—a vise, files, a hammer, chisels, etc., that father had brought from Scotland, but no saw excepting a coarse crooked one that was unfit for sawing dry hickory or oak. So I made a fine-tooth saw suitable for my work out of a strip of steel that had formed part of an old-fashioned corset, that cut the hardest wood smoothly. I also made my own bradawls, punches, and a pair of compasses, out of wire and old files.
My workshop was immediately under father’s bed, and the filing and tapping in making cogwheels, journals, cams, etc., must, no doubt, have annoyed him, but with the permission he had granted in his mind, and doubtless hoping that I would soon tire of getting up at one o’clock, he impatiently waited about two weeks before saying a word. I did not vary more than five minutes from one o’clock all winter, nor did I feel any bad effects whatever, nor did I think at all about the subject as to whether so little sleep might be in any way injurious; it was a grand triumph of will-power over cold and common comfort and work-weariness in abruptly cutting down my ten hours’ allowance of sleep to five. I simply felt that I was rich beyond anything I could have dreamed of or hoped for.
[…]
After completing my self-setting sawmill I dammed one of the streams in the meadow and put the mill in operation. This invention was speedily followed by a lot of others,—water-wheels, curious doorlocks and latches, thermometers, hygrometers, pyrometers, clocks, a barometer, an automatic contrivance for feeding the horses at any required hour, a lamp-lighter and fire-lighter, an early-or-late-rising machine, and so forth.

After the sawmill was proved and discharged from my mind, I happened to think it would be a fine thing to make a timekeeper which would tell the day of the week and the day of the month, as well as strike like a common clock and point out the hours; also to have an attachment whereby it could be connected with a bedstead to set me on my feet at any hour in the morning; also to start fires, light lamps, etc. I had learned the time laws of the pendulum from a book, but with this exception I knew nothing of timekeepers, for I had never seen the inside of any sort of clock or watch. After long brooding, the novel clock was at length completed in my mind, and was tried and found to be durable and to work well and look well before I had begun to build it in wood. I carried small parts of it in my pocket to whittle at when I was out at work on the farm, using every spare or stolen moment within reach without father’s knowing anything about it. In the middle of summer, when harvesting was in progress, the novel time-machine was nearly completed. It was hidden upstairs in a spare bedroom where some tools were kept. I did the making and mending on the farm, but one day at noon, when I happened to be away, father went upstairs for a hammer or something and discovered the mysterious machine back of the bedstead. My sister Margaret saw him on his knees examining it, and at the first opportunity whispered in my ear, “John, father saw that thing you’re making upstairs.” None of the family knew what I was doing, but they knew very well that all such work was frowned on by father, and kindly warned me of any danger that threatened my plans. The fine invention seemed doomed to destruction before its time-ticking commenced, though I thought it handsome, had so long carried it in my mind, and like the nest of Burns’s wee mousie it had cost me mony a weary whittling nibble. When we were at dinner several days after the sad discovery, father began to clear his throat to speak, and I feared the doom of martyrdom was about to be pronounced on my grand clock.
“John,” he inquired, “what is that thing you are making upstairs?”
I replied in desperation that I didn’t know what to call it.
“What! You mean to say you don’t know what you are trying to do?”
“Oh, yes,” I said, “I know very well what I am doing.”
“What, then, is the thing for?”
“It’s for a lot of things,” I replied, “but getting people up early in the morning is one of the main things it is intended for; therefore it might perhaps be called an early-rising machine.”
[…]
The clock had a good loud tick, and when he heard it strike, one of my sisters told me that he left his study, went to the parlor, got down on his knees and carefully examined the machinery, which was all in plain sight, not being enclosed in a case. This he did repeatedly, and evidently seemed a little proud of my ability to invent and whittle such a thing, though careful to give no encouragement for anything more of the kind in future.
But somehow it seemed impossible to stop. Inventing and whittling faster than ever, I made another hickory clock, shaped like a scythe to symbolize the scythe of Father Time. The pendulum is a bunch of arrows symbolizing the flight of time. It hangs on a leafless mossy oak snag showing the effect of time, and on the snath is written, “All flesh is grass.” This, especially the inscription, rather pleased father, and, of course, mother and all my sisters and brothers admired it. Like the first it indicates the days of the week and month, starts fires and beds at any given hour and minute, and, though made more than fifty years ago, is still a good timekeeper.


My mind still running on clocks, I invented a big one like a town clock with four dials, with the time-figures so large they could be read by all our immediate neighbors as well as ourselves when at work in the fields, and on the side next the house the days of the week and month were indicated. It was to be placed on the peak of the barn roof. But just as it was all but finished, father stopped me, saying that it would bring too many people around the barn. I then asked permission to put it on the top of a black-oak tree near the house. Studying the larger main branches, I thought I could secure a sufficiently rigid foundation for it, while the trimmed sprays and leaves would conceal the angles of the cabin required to shelter the works from the weather, and the two-second pendulum, fourteen feet long, could be snugly encased on the side of the trunk. Nothing about the grand, useful timekeeper, I argued, would disfigure the tree, for it would look something like a big hawk’s nest. “But that,” he objected, “would draw still bigger bothersome trampling crowds about the place, for who ever heard of anything so queer as a big clock on the top of a tree?” So I had to lay aside its big wheels and cams and rest content with the pleasure of inventing it, and looking at it in my mind and listening to the deep solemn throbbing of its long two-second pendulum with its two old axes back to back for the bob.
One of my inventions was a large thermometer made of an iron rod, about three feet long and five eighths of an inch in diameter, that had formed part of a wagon-box. The expansion and contraction of this rod was multiplied by a series of levers made of strips of hoop iron. The pressure of the rod against the levers was kept constant by a small counterweight, so that the slightest change in the length of the rod was instantly shown on a dial about three feet wide multiplied about thirty-two thousand times. The zero-point was gained by packing the rod in wet snow. The scale was so large that the big black hand on the white-painted dial could be seen distinctly and the temperature read while we were ploughing in the field below the house. The extremes of heat and cold caused the hand to make several revolutions. The number of these revolutions was indicated on a small dial marked on the larger one. This thermometer was fastened on the side of the house, and was so sensitive that when any one approached it within four or five feet the heat radiated from the observer’s body caused the hand of the dial to move so fast that the motion was plainly visible, and when he stepped back, the hand moved slowly back to its normal position. It was regarded as a great wonder by the neighbors and even by my own all-Bible father.

When I was talking over plans one day with a friendly neighbor, he said: “Now, John, if you wish to get into a machine-shop, just take some of your inventions to the State Fair, and you may be sure that as soon as they are seen they will open the door of any shop in the country for you. You will be welcomed everywhere.” And when I doubtingly asked if people would care to look at things made of wood, he said, “Made of wood! Made of wood! What does it matter what they’re made of when they are so out-and-out original. There’s nothing else like them in the world. That is what will attract attention, and besides they’re mighty handsome things anyway to come from the backwoods.” So I was encouraged to leave home and go at his direction to the State Fair when it was being held in Madison.
[…]
When we arrived at the village tavern, it seemed deserted. Not a single person was in sight. I set my clock baggage on the rickety platform. David said good-bye and started for home, leaving me alone in the world. The grinding noise made by the wagon in turning short brought out the landlord, and the first thing that caught his eye was my strange bundle. Then he looked at me and said, “Hello, young man, what’s this?”
“Machines,” I said, “for keeping time and getting up in the morning, and so forth.”
“Well! Well! That’s a mighty queer get-up. You must be a Down-East Yankee. Where did you get the pattern for such a thing?”
“In my head,” I said.
Some one down the street happened to notice the landlord looking intently at something and came up to see what it was. Three or four people in that little village formed an attractive crowd, and in fifteen or twenty minutes the greater part of the population of Pardeeville stood gazing in a circle around my strange hickory belongings. I kept outside of the circle to avoid being seen, and had the advantage of hearing the remarks without being embarrassed. Almost every one as he came up would say, “What’s that? What’s it for? Who made it?” The landlord would answer them all alike, “Why, a young man that lives out in the country somewhere made it, and he says it’s a thing for keeping time, getting up in the morning, and something that I didn’t understand. I don’t know what he meant.” “Oh, no!” one of the crowd would say, “that can’t be. It’s for something else—something mysterious. Mark my words, you’ll see all about it in the newspapers some of these days.” A curious little fellow came running up the street, joined the crowd, stood on tiptoe to get sight of the wonder, quickly made up his mind, and shouted in crisp, confident, cock-crowing style, “I know what that contraption’s for. It’s a machine for taking the bones out of fish.”
This was in the time of the great popular phrenology craze, when the fences and barns along the roads throughout the country were plastered with big skull-bump posters, headed, “Know Thyself,” and advising everybody to attend schoolhouse lectures to have their heads explained and be told what they were good for and whom they ought to marry. My mechanical bundle seemed to bring a good deal of this phrenology to mind, for many of the onlookers would say, “I wish I could see that boy’s head,—he must have a tremendous bump of invention.” Others complimented me by saying, “I wish I had that fellow’s head. I’d rather have it than the best farm in the State.”

I stayed overnight at this little tavern, waiting for a train. In the morning I went to the station, and set my bundle on the platform. Along came the thundering train, a glorious sight, the first train I had ever waited for. When the conductor saw my queer baggage, he cried, “Hello! What have we here?”
“Inventions for keeping time, early rising, and so forth. May I take them into the car with me?”
“You can take them where you like,” he replied, “but you had better give them to the baggage-master. If you take them into the car they will draw a crowd and might get broken.”
So I gave them to the baggage-master and made haste to ask the conductor whether I might ride on the engine. He good-naturedly said: “Yes, it’s the right place for you. Run ahead, and tell the engineer what I say.” But the engineer bluntly refused to let me on, saying: “It don’t matter what the conductor told you. I say you can’t ride on my engine.”
By this time the conductor, standing ready to start his train, was watching to see what luck I had, and when he saw me returning came ahead to meet me.
“The engineer won’t let me on,” I reported.
“Won’t he?” said the kind conductor. “Oh! I guess he will. You come down with me.” And so he actually took the time and patience to walk the length of that long train to get me on to the engine.
“Charlie,” said he, addressing the engineer, “don’t you ever take a passenger?”
“Very seldom,” he replied.
“Anyhow, I wish you would take this young man on. He has the strangest machines in the baggage-car I ever saw in my life. I believe he could make a locomotive. He wants to see the engine running. Let him on.” Then in a low whisper he told me to jump on, which I did gladly, the engineer offering neither encouragement nor objection.
As soon as the train was started, the engineer asked what the “strange thing” the conductor spoke of really was.
“Only inventions for keeping time, getting folk up in the morning, and so forth,” I hastily replied, and before he could ask any more questions I asked permission to go outside of the cab to see the machinery. This he kindly granted, adding, “Be careful not to fall off, and when you hear me whistling for a station you come back, because if it is reported against me to the superintendent that I allow boys to run all over my engine I might lose my job.”
Assuring him that I would come back promptly, I went out and walked along the foot-board on the side of the boiler, watching the magnificent machine rushing through the landscapes as if glorying in its strength like a living creature. While seated on the cow-catcher platform, I seemed to be fairly flying, and the wonderful display of power and motion was enchanting. This was the first time I had ever been on a train, much less a locomotive, since I had left Scotland. When I got to Madison, I thanked the kind conductor and engineer for my glorious ride, inquired the way to the Fair, shouldered my inventions, and walked to the Fair Ground.
When I applied for an admission ticket at a window by the gate I told the agent that I had something to exhibit.
“What is it?” he inquired.
“Well, here it is. Look at it.”
When he craned his neck through the window and got a glimpse of my bundle, he cried excitedly, “Oh! you don’t need a ticket,—come right in.”
When I inquired of the agent where such things as mine should be exhibited, he said, “You see that building up on the hill with a big flag on it? That’s the Fine Arts Hall, and it’s just the place for your wonderful invention.”
So I went up to the Fine Arts Hall and looked in, wondering if they would allow wooden things in so fine a place.
I was met at the door by a dignified gentleman, who greeted me kindly and said, “Young man, what have we got here?”
“Two clocks and a thermometer,” I replied.
“Did you make these? They look wonderfully beautiful and novel and must, I think, prove the most interesting feature of the fair.”
“Where shall I place them?” I inquired.
“Just look around, young man, and choose the place you like best, whether it is occupied or not. You can have your pick of all the building, and a carpenter to make the necessary shelving and assist you every way possible!”
So I quickly had a shelf made large enough for all of them, went out on the hill and picked up some glacial boulders of the right size for weights, and in fifteen or twenty minutes the clocks were running. They seemed to attract more attention than anything else in the hall I got lots of praise from the crowd and the newspaper-reporters. The local press reports were copied into the Eastern papers. It was considered wonderful that a boy on a farm had been able to invent and make such things, and almost every spectator foretold good fortune. But I had been so lectured by my father above all things to avoid praise that I was afraid to read those kind newspaper notices, and never clipped out or preserved any of them, just glanced at them and turned away my eyes from beholding vanity. They gave me a prize of ten or fifteen dollars and a diploma for wonderful things not down in the list of exhibits.
[….]
At Madison I raised a few dollars by making and selling a few of those bedsteads that set the sleepers on their feet in the morning,—inserting in the footboard the works of an ordinary clock that could be bought for a dollar. I also made a few dollars addressing circulars in an insurance office, while at the same time I was paying my board by taking care of a pair of horses and going errands. This is of no great interest except that I was thus winning my bread while hoping that something would turn up that might enable me to make money enough to enter the State University. This was my ambition, and it never wavered no matter what I was doing. No University, it seemed to me, could be more admirably, situated, and as I sauntered about it, charmed with its fine lawns and trees and beautiful lakes, and saw the students going and coming with their books, and occasionally practising with a theodolite in measuring distances, I thought that if I could only join them it would be the greatest joy of life. I was desperately hungry and thirsty for knowledge and willing to endure anything to get it.
One day I chanced to meet a student who had noticed my inventions at the Fair and now recognized me. And when I said, “You are fortunate fellows to be allowed to study in this beautiful place. I wish I could join you.” “Well, why don’t you?” he asked. “I haven’t money enough,” I said. “Oh, as to money,” he reassuringly explained, “very little is required. I presume you’re able to enter the Freshman class, and you can board yourself as quite a number of us do at a cost of about a dollar a week. The baker and milkman come every day. You can live on bread and milk.” Well, I thought, maybe I have money enough for at least one beginning term. Anyhow I couldn’t help trying.
With fear and trembling, overladen with ignorance, I called on Professor Stirling, the Dean of the Faculty, who was then Acting President, presented my case, and told him how far I had got on with my studies at home, and that I hadn’t been to school since leaving Scotland at the age of eleven years, excepting one short term of a couple of months at a district school, because I could not be spared from the farm work. After hearing my story, the kind professor welcomed me to the glorious University—next, it seemed to me, to the Kingdom of Heaven.
[…]
One winter I taught school ten miles south of Madison, earning much-needed money at the rate of twenty dollars a month, “boarding round,” and keeping up my University work by studying at night. As I was not then well enough off to own a watch, I used one of my hickory clocks, not only for keeping time, but for starting the school fire in the cold mornings, and regulating class-times. I carried it out on my shoulder to the old log schoolhouse, and set it to work on a little shelf nailed to one of the knotty, bulging logs. The winter was very cold, and I had to go to the schoolhouse and start the fire about eight o’clock to warm it before the arrival of the scholars. This was a rather trying job, and one that my clock might easily be made to do. Therefore, after supper one evening I told the head of the family with whom I was boarding that if he would give me a candle I would go back to the schoolhouse and make arrangements for lighting the fire at eight o’clock, without my having to be present until time to open the school at nine. He said, “Oh! young man, you have some curious things in the school-room, but I don’t think you can do that.” I said, “Oh, yes! It’s easy,” and in hardly more than an hour the simple job was completed. I had only to place a teaspoonful of powdered chlorate of potash and sugar on the stove-hearth near a few shavings and kindling, and at the required time make the clock, through a simple arrangement, touch the inflammable mixture with a drop of sulphuric acid. Every evening after school was dismissed, I shoveled out what was left of the fire into the snow, put in a little kindling, filled up the big box stove with heavy oak wood, placed the lighting arrangement on the hearth, and set the clock to drop the acid at the hour of eight; all this requiring only a few minutes.


The first morning after I had made this simple arrangement I invited the doubting farmer to watch the old squat schoolhouse from a window that overlooked it, to see if a good smoke did not rise from the stovepipe. Sure enough, on the minute, he saw a tall column curling gracefully up through the frosty air, but instead of congratulating me on my success he solemnly shook his head and said in a hollow, lugubrious voice, “Young man, you will be setting fire to the schoolhouse.” All winter long that faithful clock fire never failed, and by the time I got to the schoolhouse the stove was usually red-hot.
[…]
I invented a desk in which the books I had to study were arranged in order at the beginning of each term. I also made a bed which set me on my feet every morning at the hour determined on, and in dark winter mornings just as the bed set me on the floor it lighted a lamp. Then, after the minutes allowed for dressing had elapsed, a click was heard and the first book to be studied was pushed up from a rack below the top of the desk, thrown open, and allowed to remain there the number of minutes required. Then the machinery closed the book and allowed it to drop back into its stall, then moved the rack forward and threw up the next in order, and so on, all the day being divided according to the times of recitation, and time required and allotted to each study. Besides this, I thought it would be a fine thing in the summer-time when the sun rose early, to dispense with the clock-controlled bed machinery, and make use of sunbeams instead. This I did simply by taking a lens out of my small spy-glass, fixing it on a frame on the sill of my bedroom window, and pointing it to the sunrise; the sunbeams focused on a thread burned it through, allowing the bed machinery to put me on my feet. When I wished to arise at any given time after sunrise, I had only to turn the pivoted frame that held the lens the requisite number of degrees or minutes. Thus I took Emerson’s advice and hitched my dumping-wagon bed to a star.
I also invented a machine to make visible the growth of plants and the action of the sunlight, a very delicate contrivance, enclosed in glass. Besides this I invented a barometer and a lot of novel scientific apparatus. My room was regarded as a sort of show place by the professors, who oftentimes brought visitors to it on Saturdays and holidays. And when, some eighteen years after I had left the University, I was sauntering over the campus in time of vacation, and spoke to a man who seemed to be taking some charge of the grounds, he informed me that he was the janitor; and when I inquired what had become of Pat, the janitor in my time, and a favorite with the students, he replied that Pat was still alive and well, but now too old to do much work. And when I pointed to the dormitory room that I long ago occupied, he said: “Oh! then I know who you are,” and mentioned my name. “How comes it that you know my name?” I inquired. He explained that “Pat always pointed out that room to newcomers and told long stories about the wonders that used to be in it.” So long had the memory of my little inventions survived.
March 25 2012
MAKE Flickr Pool Weekly Roundup
This week in the MAKE Flickr pool we saw…
Headphone Amplifier from 220.
SMT_JouleThiefFinal from alx_chief.
Make Magazine Egg from Pete Prodoehl.
Noctis Labyrinthus Explorer from Tinkerbots.
WCRH – Crimp Tool Holder from oomlout.
Nerd Bird Nest Box from dvanzuijlekom.
In action! from Solarbotics.
March 23 2012
Make: Talk 010 – Andy Cavatorta, Bjork’s Musical Roboticist
Here’s the 10th episode of MAKE‘s podcast, Make: Talk! In each episode, I interview one of the makers featured in the magazine.
Our maker this week is Andy Cavatorta, a roboticist, artist, musician, and filmmaker. He was at MIT’s Media Lab from 2007 to 2010. In the current issue of MAKE, Volume 29, Andy wrote an article about his collaboration with the Icelandic musician Bjork to create robotic gravity harps for her touring performance. In my interview, we talk about this project and more.
Before the interview with Andy, I mention the latest deal in the Maker Shed: these fun-to-make Papertronics Lunar Modules with LEDs. They’re $10 for a set of 3.
March 18 2012
MAKE Flickr Pool Weekly Roundup
This week in the MAKE Flickr pool we saw…
pi day pie…i mean half-tau day from dragonflyducky.
Drawdio from Brigade Neurale.
DIY: dds60 kit (60MHz rf sine/square signal generator using AD9851 chip) from linux-works.
Oregon FIRST Robotics Competition from ap..
porter turret telescope interior from lookseeseen.
K3 keyboard from the Mean Machines course from dcuartielles.
March 13 2012
Make: Talk 008 – Kyle Machulis, Kinect Hacker
Here’s the 8th episode of MAKE‘s podcast, Make: Talk! In each episode, I interview one of the makers featured in the magazine.
Our maker this week is Kyle Machulis, a hardware and software hacker who led the team in making the reverse engineer drivers for the Microsoft Kinect. Kyle is also an avid self-tracker, which means he uses technology to measure different aspects of his health and biology.
Here’s what we talked about in this episode:
- PlantSmart
- MAKE’s Game Developer Conference Coverage
- iStand in Make: Projects
- OpenYou
- FitBit
- Nonpolynomial Labs
- Keepon Kinect Control
- Boot2Gecko
March 11 2012
MAKE Flickr Pool Weekly Roundup
This week in the MAKE Flickr pool we saw…
POW! from lookseeseen.
Creeper from adopt-a-bot.
The Whisker – firefighters gasmask project from KoeneoK.
corner joint from davidrockdan.
2nd-order Voltage-Controlled Filter from johngineer.
Friday Night Drawbot at the Art Jamboree from Pete Prodoehl.
Uber Tripedo Rides Again! from whymcycles.
Alt.SXSW: MAKE’s Take on the Festival

Hot on the heels of alt.GDC comes alt.SXSW. What does “alt.” mean? It’s a throwback to the old alt. domains on USENET and refers to MAKE taking a slightly askew view of these large commercial tech events, in search of maker stories amongst the conventional mayhem. We have a video team and some bloggers at SXSWi and are doing live streaming of the event, making it up as we go along. And this is alt.SXSWi (interactive), so we want to hear your ideas for what we should cover, where we should point our cameras. Send your thoughts and feedback to #makesxsw @make.
March 09 2012
“Da-ding!” Illuminates Video Game Nostalgia

Touch-sensitive switch triggers light and rewards with nostalgic video game sounds. (Photo courtesy of Adam Ellsworth.)
An inspired idea grown in a makerspace can produce retro magic. That’s the message from 8bitlit collaborators Bryan and Adam. In less than two months, they’ve gone from concept through prototyping to small scale production. Their touch-sensitive Mario Brothers-themed pendant lamp is starting to sell. “Da-ding!”
Late last year, Bryan was reveling in laser cutting: cutting projects, toying with joinery. and learning. Several projects were in process: a peristaltic pump, a T-slot screw together enclosure, and a tree-shaped lamp. He had tried snap-together laser cut joints and was experimenting with acetone welding. These worked well. What new project could he build with what he had learned? Creating an acrylic box was already on Bryan’s short list of ideas. However, as a child of the 1980s when Mario reigned supreme, the box idea quickly made the leap to being a Mario cube. A quick mashup with his tree-shaped lamp project and voila! The Mario Cube Lamp was born.

You can follow developments of Cube Lamp and its dynamic maker duo, Bryan Duxbury and Adam Ellsworth, on Twitter @8BitLit. They'll be give away a free lamp at 1000 fans.
Now, how to make it? Bryan had a great idea, knows software, design circuits, and is a maker, but he didn’t have the means to bring the cube to life. With work, a family, and a baby due soon there was no way he’d have the time to build the product. The answer became apparent at a Christmas party where Bryan met Adam, a member of TechShop.

By day, Bryan Duxbury is a software engineer and team lead at Rapleaf. By night, he trades virtual bits for physical ones and dabbles in electronics, laser cutting, and 3D printing. And he's been known to write some science fiction, when he's not chasing his kids around to give his lovely wife a break. You can check out his blog at blog.bryanduxbury.com
Like so many others have, Adam grew as a maker in a makerspace. These tool-filled, collaborative environments are where learning, teaching, and making are a way of life. The confidence and competence he earned had convinced Adam that fast prototyping for product development is what he wants to do. In a way, Adam was Bryan’s natural compliment with the experience and the means to make the venture a reality. Over banter that started with Arduino development but led to the coin block lamp, Adam quickly concluded “I could build that!” The date was December 15.

Adam Ellsworth spent the last three years developing his passions, which have included Brain Computer Interfacing at MIT, 3D printing in zero gravity, and motion sensing for sports applications. He specializes in fast-turnaround prototyping and his goal is to create products that make people smile. He's also building an electric guitar and has a few ideas left kicking around.
Within two days, the first prototype had been built and the odyssey had begun. Over the next two months they would learn many things, face many challenges, and experience many satisfying successes. As I write this, they stand on the cusp of selling into a new channel with great potential.
From the start, the features they wanted in the product were clear. The cube had to be translucent, it needed a touch-sensitive bottom, and it had to play the coin sound. However, getting it right and keeping it cheap would be a real challenge. For example, the ATTiny microcontroller was tempting to use because of its low cost but there was a nagging concern that it might not be capable enough to do the job. The list of things they didn’t know was long.
Many answers came from prototyping, learning, and improving with each iteration. They plowed through prototypes: acrylic choices changed, circuit board design improved, building techniques were refined. They iterated on the product: fully-assembled product made room for a kit version, suspended pendant lamp was augmented with a light stand option, pricing points changed. In a maker world with access to good tools, cost-effective rapid improvement is a realistic business expectation.
Along the way, fellow makers and enthusiast communities were also there to help with answers. What’s a cost effective way to trigger a light with the touch of a hand? What was the best design approach to implementing the ATTiny microcontroller? How could you generate the musical tunes associated with triggering the light? The willingness on the part of others to help them kept the project moving ahead with improved prototypes.
As time went by, Bryan and Adam became increasingly convinced they had created something special. More people were experiencing the product and having a reaction similar to theirs. The sights and sounds of a joyful youth spent playing video games were resonating. People who triggered the lamp were actually enjoying it more than they expected. Smiles were quick to surface. While many aspects of marketing will eventually become a challenge, they were confident in their product concept.
Rapid progress on the product led quickly to selling. The first sales were among friends and family. Soon after, they opened a store on Etsy.com, where their amateur video quickly drew 11,000 views — an inspired start. Just recently, the product found its way to the video game fan product site Lootiful.com. It’s only the beginning but things are looking bright this February 13.
So what troubles them as they look ahead? A variety of unknowns, but primarily scaling. What will happen if they get a big order? How could they fulfill 1,000 orders if they have sudden success? Problems like this confront every successful product and while they’re nice to have, they can keep you awake at night. Unfortunately, little is available to help with these challenges in today’s makerspace network and this needs to change.
In the meantime Bryan and Adam are having a blast. What’s more satisfying than making something you love? What’s more gratifying that delivering a product that exceeds customer expectations? Hopefully things will continue to go their way and they’ll have started a video game fan product business. What’s next? Guess we’ll have to wait and see. “Da-ding!”
Do you know of a product innovation worth featuring? A new business-in-the-making? Is it a story with an interesting odyssey, especially involving makers collaborating? If so, drop me a note at MakerInnovation@me.com. We want to shine a light on innovative product ideas by makers.
Ralph Baer, 90-year-old Video Game Pioneer
This is an excellent short profile of video game pioneer Ralph Baer. He’s 90 and still inventing.

“I still get a big charge out of making something work. I write the hardware, I push a button, I put it into the microprocessor and it works. Ahhh… beautiful.”
Ralph Baer is often called the father of video games. His invention, the Magnavox Odyssey, was the first home console system. I photographed and interviewed him this summer as part of my ongoing series on inventors (the book and app for which will be out eventually I promise).
Since he turns 90 years old this week, and this year marks the 40th anniversary of the video game, I chose for this video some bits from our interview in which we talk about, among other things, why he’s still inventing at 90 years old.
Director David Friedman says, “This video is part of an ongoing series of photo and video portraits of contemporary inventors from all walks of life.”
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