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Showing posts with label invention. Show all posts
Showing posts with label invention. Show all posts

Thursday, September 18, 2025

GARBAGE IN, GARBAGE OUT

I think to truly understand the programmer's axiom, “garbage in, garbage out”, you have to go back to 1933, when two British chemists, Reginald Gibson and Eric Fawcett, were trying to do two things at the same time - get rich by inventing a substitute for rubber, and avoid blowing up their lab.
See, natural rubber comes from ParĂ¡ rubber trees which grow in hot , humid places like Malaysia, Vietnam and Burma, which are also places that grow malaria infested mosquitoes, and which tended to be politically unstable, because of all the Europeans bribing locals who would then sell them the rubber for cheap.  Lots of chemists were looking to make a molecule that would act like rubber but avoid the bugs and the angry locals. But it was dangerous and expensive work
Dangerous because Gibson and Fawcett were working with a hydrocarbon, meaning it contained combinations of carbon and hydrogen atoms. The hydrogen makes all hydrocarbons flammable, and this particular one, ethylene, or C2H4, was made from either alcohol or petroleum, and was more flammable than most. But Gibson and Fawcett figured if they heated the ethylene in a pressure cooker, to prevent it from burning, that would break the bonds binding the ethylene atoms together, and when they cooled the atoms would recombine in a way that would imitate rubber.  

Most of the time, the experiments ended with an explosion, which is why it was expensive.  They had to keep rebuilding their lab.  But in 1933, somehow they avoided the boom and got, instead, what looked like a lump of coffee colored sugar but which behaved like rubber. So they tried it again, and this time got nothing – no explosion and no “lump”. Now they were confused. 

They wanted to try it a third time, but the Imperial Chemical Company, which employed them, decided it was too expensive, and even if it did work, it would never show a profit until long after the current executives had retired and cashed in their pensions. So they told Gibson and Fawcett to move on.
Well, Fawcett figured he was being cheated out of a Nobel Prize, and in 1935, this ambitious, bitter chemist started telling anybody who would listen what he and Gibson had done. Two other ICC chemists, Michael Perrin and John Paton, decided to duplicate the experiment without telling their bosses, and got the same rubber imitating lump.  
But in checking their data, Perin and Paton discovered their pressure cooker had leaked, which is what must have happened to Fawcett and Gibson. When they fixed the leak, Perrin and Paton got no “lump”.  So, figuring the missing element was the oxygen in the air that had leaked in, they added a drop of almond oil, or benzaldehyde, which has seven carbon atoms, six hydrogen atoms and a single oxygen atom. They heated up the ethylene and benzalheyde in the pressure cooker and they got the “lump”.  Which turned out to be the rubber like thing they were looking for.  They could now make artificial rubber anytime they wanted. They called their artificial rubber polyethylene, or PE for short.
Now, PE is better than rubber because it is a thermoplastic polymer, meaning it is a chain of chemically stable molecules, each exactly like the others, like rubber. But when PE is re-heated under normal pressure, it can be easily injected or extruded into molds. The first idea ICC had was to use PE to insulate underwater telegraph cables. They had been using the sap drained from Gutta-percha trees, native to northern Australia and many of the same unpleasant places (for Englishmen) that rubber came from. Now they had a way to avoid those places. 
So they built a plant on Wallerscote Island in the middle of the Weaver River, just upstream from the Liverpool docks. They planned to produce 100 tons of PE a year. But on the day the Wallerstcote plant opened, September 1, 1939, Nazi Germany invaded Poland, setting off World War Two.  And nobody could think of anything to do with PE to aide the war effort, so they did nothing with it.  Flash forward five years and 85 million dead.
Britain won the Second World War, but they went $50 billion in debt doing it – the equivalent of one trillion dollars today. To repay that debt British corporations held industrial yard sales, including selling the formula for polyethylene (above) to the American company Dow Chemical. 
And this is where Harry Wasylyk comes into our story. He was born on the Canadian prairies of Manitoba to Ukrainian immigrants, and was just as ambitious as Eric Fawcettt.  
After the war Harry was living in Winnipeg, Manitoba, and he knew the Winnipeg General Hospital (above) was facing a big problem. Their admissions had increased by 50% in the previous ten years, and the post war baby boom was promising even bigger growth in the near future. What were they going to do with their swelling medical wastes?. It was an increasingly important question, and an old one.
It is an evolutionary artifact that before humans came down from the trees, our thinking was strictly “out of sight out of mind”. Thanks to gravity, anything we dropped, from our hands or our butts, magically disappeared. And we continue to suffer from this elevated view.  In 1887, when the Prefect of Paris tried to require all citizens to use “sanitary” metal garbage cans, libertarian landlords justified blocking the measure not because of the expense, but - so they said - because their “right” to throw garbage in the street was being infringed upon. 
The argument that living surrounded by garbage was unhealthy did not impress this early Tea Party logic.  As John Ralston Saul pointed out in his 1993 book “Voltair's Bastards”, “The free market opposed sanitation. The rich opposed it...That is why it took a century to finish what could have been done in ten years”  In short, public hygiene remained stubbornly “out of sight” because that the rich and powerful did not think they should pay for it. 
Six years after Parisians had rejected metal garbage cans, the Boston Sanitary Commission reported, “The means resorted to by a large number of citizens to get rid of their garbage and avoid paying for its collection would be very amusing were it not such a menace to public health. Some burn it, while others wrap it up in paper and carry it on their way to work and drop it when unobserved, or throw it into vacant lots or into the river.” About the same time a visitor described New York City as a “nasal disaster, where some streets smell like bad eggs dissolved in ammonia.” City dumps were established to allow rag and bone men to simplify their jobs, and usually next to pig farms (below), as 75 pigs were able to dispose of a ton of human produced garbage a day.  None of this, of course, solved the problem of disease spreading flies, cockroaches, and mammals, all drawn to the aroma of rotting garbage produced by an average human household.
Only because of high insurance rates were the thousands of small smoky fires in the once ubiquitous backyard trash incinerators, finally extinguished  And as living space in cites shrank, so did room for compost kitchen waste. By the middle of the twentieth century, in most of the first world, trash and garbage were now lumped together and left at the curb to be removed by the modern day rag and bone men - now called garbage men.  Anyone who thought about public health, like the directors of the Winnipeg General Hospital, expected the post World War II population boom would lead to an explosion of plagues, brought on by garbage spilling out into the streets.
And that was where Harry Wasylyk came in. In 1949, in his Winnipeg kitchen, Harry melted pellets of polyethylene. He chose PE because it was cheap, available in large quantities, easy to work with, water proof and air tight. He squeezed it between rollers into thin twin sheets, cut and sealed it into bags, and in a stroke produced the world's first plastic garbage bag. The directors of Winnipeg General saw it as the hygienic solution to their growing waste problem, and it made garbage easy and safer to handle. The hospital eagerly signed a contract. 
By 1951 Henry Wasylyk had leased a warehouse, installed equipment, and was mass producing garbage bags for Winnipeg General, and a few other local industrial customers.
At about the same time, the Union Carbide PE plant in Montreal, Quebec, had a back log of pellets.
Larry Hanson, at the UC facility in Lindsay, Ontario, about 60 northwest of Toronto, was assigned to find something profitable to do with them. He quickly hit upon the same idea of making garbage bags, and they proved so popular with the janitorial staff, that management adopted the idea. Doing patent research Dow found out about Harry a thousand miles to the west, in far off Manitoba, and decided to buy his factory and his process. In the end, the patent for the plastic garbage bag is held jointly by two Canadians, Harry and Larry.
Every year humans produce 4 to 5 trillion polyethylene bags, mostly the flimsy supermarket shopping bags. And every year those discarded bags kill a billion seabirds, reptiles and sea mammals, making them one of the most toxic materials in the 4 billion year history of our planet. Less than 1% of 380 billion PE bags discarded each year in the United States are properly recycled. The obvious answer would be to ban the production of all PE bags. But, of course no problem is solved that simply
According to a 2011 study by the British Environmental Protection agency, the average cotton tote bag has a life span of 52 trips to and from the supermarket, and replaces less than 2% of the “fresh water aquatic ecotoxicity” of 350 PE bags. But PE bags themselves make up less than 1% of American landfills. What fills the landfills, is what's in the bags. Concern about the environmental impact of plastic garbage bags is a case of not being able to see the garbage for the garbage bags. They solved a problem, but not THE problem. As Beth Terry writes in her “My Plastic Free Life” web page ““The fact is, there is no magically perfect way to dispose of garbage since the whole concept of garbage itself is not Eco-friendly. The best option is to try and reduce the amount of waste we generate in the first place.”
Less garbage in, fewer garbage bags out. But the constant remains – garbage
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Friday, August 08, 2025

BY ANY OTHER NAME

I can think of no more misbegotten group of failures, frauds and grief stricken dullards than the people who collectively are responsible for one of the most vital and fundamental inventions of the modern world. But I have to wonder, if we called it something else, would it have become so ubiquitous? A rose may be a rose by any other name but would it inspire poets? But the subject of this essay...if it had been called anything else it might not have made it down this tortured path to fame and ubiquity.

It all started with a Parisian tailor named Barthelmy Thimonnier (above), who invented the sewing machine in 1830. I know, you think it was invented by Elias Howe, but that is because Elias Howe was a “patent troll”, an opportunist and a liar.
And it took so long because in January of 1839 a mob of 150 or so French "Luddiet" tailors smashed 80 of Thimonnier’s machines, burned down the factory making them and almost lynched Barthelmy. On 23 February five of the rioting tailors were sentenced to a month's imprisonment, 69 to eight days, and the 75th defendant was acquitted.
Not that the trial mattered to Barthelmy. With his investment left smoldering, Thimonnier died flat broke and forgotten in 1857. But first he had invented the sewing machine.
The vacuum he left behind was filled by the American Walter Hunt, who was a mechanical genius and a business boob from upstate New York.

Among other things, Walter invented the safety pin, U.S, patient #6281 (above), and a repeating rifle, and a bicycle and a road sweeper.

And then, in 1834, he improved on Thimonnier’s sewing machine (above).

What Walter Hunt actually invented was a sewing machine needle (above) with the hole - aka, the eye - at the pointy end. Regular needles, invented almost a million years ago, have the eye at the blunt end. But Hunt reversed that.

As the needle pushed through the cloth the eye carried the thread with it. When the needle stopped it formed a loop in the thread behind it, and a second thread (from the bobbin) was pushed through the loop. The needle was then withdrawn, pulling the loop tight or “locking” it, around the bobbin thread. This “Lockstitch” was sheer genius and a brilliant insight. But Hunt never did anything with it because he didn’t want to be lynched by American tailors and he was safely making plenty of money from his safety pin. And that opened the door for Elias Howe to slink through.
Elias Howe told at least two versions of how he "invented" the sewing machine.

In the sympathetic version he spent hours watching his poor wife Elizabeth (since dead, and unavailable to testify) support her family doing piecemeal sewing work . In the Freudian version, Howe dreamed about Indians shooting arrows through a blanket. In fact, both stories were pure horse manure.

In fact Howe had been a mechanic repairing looms in a textile mill, before he started living off his wife's sewing abilities, and that is where he learned all about shuttles and bobbins, and probably saw a version of Hunts sewing machine needle. Like a loom, Howe’s sewing machine, patient #4750 (above) granted in 1846, fed the cloth in vertically and the needle and bobbin worked horizontally. Because of this uncomfortable assembly, Howe’s sewing machine only worked sort of, and it was so clumsy that Howe couldn’t find anybody to buy it. He never made a dime selling what he claimed was his actual invention.
Then in 1850 Howe saw a demonstration of a machine which did work, built by a mechanic and an actor and one of the most foul-tempered bigamists in antebellum America, Mr. Isaac Singer (above).

Singer’s sewing machine put the needle vertical and fed the cloth in horizontally, which made the whole thing functional. But Howe noticed that Singer had 'borrowed' "his" lockstitch, which you may remember Hunt had actually invented but never patented. But Howe did. Anyway, Howe immediately demanded $25,000 in “royalties” (i.e. blackmail).

One of Singer’s long suffering business partners observed that, “Howe is a perfect humbug. He knows quite well he never invented anything of value.” Singer was typically more direct, offering to “kick (Howe) down the steps of the machine shop.”
But what eventually made Howe (above) a wealthy humbug was his patent for Mr. Hunt's lockstitch. As a magazine at the time noted, Howe had “litigated himself into fortune and fame.” But then this story is not about the sewing machine.
This story is about another patent Elias Howe trolled for, this one granted him in 1851. And just like his sewing machine, Howe’s patent for an “Automatic, Continuous Clothing Closure” (above) did not work. And just like his sewing machine, rather than improve it, he just filed it away and waited to see if anybody else ever fixed it. But, since nobody else made his ugly and clumsy device work during his lifetime, Howe had nobody to sue and the device remained an obscure little footnote. And people continued to live with the original “Clothing Closure” device, the button.
Until civil war veteran, and traveling salesman Whitcomb Judson, desperate to support his wife and three daughters, missed with his street car invention.


See, originally Whitcomb was not interested in replacing the button. This rather odd man liked to eat bananas and mushrooms because he thought the mushrooms gave him psychic powers. Judson’s “mushroom visions” told him was going to get rich designing pneumatic street cars. He was granted 14 patents for them,

They were a mode of transport powered by, as described rather unhelpfully in his advertising “…a screw, but without a thread; and this screw though always revolving in one direction, will send the (trolley) cars in either direction, and do this by a pure and simple rolling and not a sliding friction..”

It sounded mysterious and magical and vastly overly complicated, and was actually used for a few weeks briefly in Washington, D.C. in the summer of 1890 before it broke down completely.
So, in 1893, as a back up invention, he marketed his patent #’s 504038 and 504037 as a “claps lock” for ladies high button shoes, and “…wherever it is desired to detachable-ly connect a pair of adjacent flexible parts.” Judson was clearly no technical writer.
Mr. Judson explained that “...each link of each chain (4 links per inch) is provided both with a male and a female coupling part…”. But sadly this coupling had a tendency to pop open, leaving the lady in question barefoot on the public way.
So, in 1896, Judson added “….a cam-action slider…” to his invention, now calling it his “C-curity Fastener”. The company he formed to exploit the C-curity (The Universal Fastener Company) did well, and the fungi lover was making money, but he never got as rich as he had expected. It was a shame the mushrooms never warned Whitcomb Judson about the dangers of eating too many mushrooms because he died of liver failure in 1909.
And that brings us to the dull Mr. Otto Frederick Gideon Sundback (above), a Swiss emigrant to Canada, working as an electrical engineer for the Universal Fastener Company, and married to the plant manager’s daughter, Elvira. In 1911 Elvira died, and to distract himself from his grief Gideon started fiddling with Judson's “C-curity Fastener”.
He added more teeth (the male coupler), ten to an inch, and widened the slider, and then he realized he could do away with the couplers entirely. All he needed was the teeth and the slider. Gideon called his invention the “'Separable Fastener”. It was granted Patent # 1219881, in 1917. Gideon even designed a machine to mass produce his fastener. But it remained a curious thing, attracting very little attention except on what were once ladies hi-button shoes, which were soon out of fashion And that was the death of the Separable Fastener... Until!
In 1923, Mr. B.F. Goodrich saw the new fasteners used on a pair of rubber galoshes his company was trying to sell the U.S. Army. B.F. was delighted, and in demonstrating the new rubber boots he told an employee to “Zip ‘er up.” And thus was born the onomatopoeia of the new invention, the name that sounds like the sound the Separable Fastener makes when it is used; the zipper. And the world has been a better place ever since.
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