This is a short post, but useful. We had a moaning toilet. This was “our two-mode commode” described previously, but the same thing happens with one-mode commodes too. I cured it. At issue, the toilet moaned or wailed after it was flushed. Either the toilet was possessed by a tormented soul, as sometimes happens, or the moan was caused by a vibration in the fill diaphragm. That was the case here.
It’s usually toilets in social science university buildings that get inhabited by tormented souls, as these are typically social scientists who are forced to come back this way as punishment for passing themselves off as real scientists. Sometimes they show up making the heating pipes rattle and clang. You can cure this by bringing in a plumber or heating professional to encourage the soul to repent. The heating professional then adjusts some things and the soul moves on. In our case, a toilet in a private home, it required no exorcism, just an adjustment of the flow.
In our case, it became clear that the fill valve had become partially blocked resulting in a high flow against the diaphragm. This diaphragm, shown below, is in the valve that gets closed when the float in the toilet tank rises. At high flows the diaphragm begins to vibrate and moan, sounding just like a possessed toilet.
toilet diaphragm
For most toilets, replacing this diaphragm is an easy repair: buy a new diaphragm for about $4, (and typically, also a new flapper — it’s a good idea to change the flapper every 4-6 years), remove the old diaphragm. It’s behind a thumb-nut, typically, and do the necessary exchange. Remember, thumbnuts are better than others. Sorry to say, our toilet has a new-fangled float mechanism where the diaphragm is hidden inside, not easily replaced. A normal thing to do is to replace the float mechanism, but those cost $30 or more, and take a fair amount of work. Instead, I choose to reduce the flow speed of the water by partially closing the inlet valve sending fill water to the commode. It now fills slightly slower than before, but since there is less flow, there is no longer any audible vibration. A quick fix at zero cost.
If that hadn’t worked, I’d have called in the exorcist, an expensive proposition. You have to pay your the exorcist. If you don’t, you get repossessed.
Canada has long-standing economic problems relative to the US, and they have been growing since 2015 as the figure shows (figure from a conservative, Canadian politician, Ryan Williams). These problems infect most of Europe, and will soon extend to the US. They are largely due to a declining birthrate, bad management, and an aging population. The result is a declining Canadian dollar (CAD), rising housing prices, rising national health costs and rising government debt. In both countries, life feels less affordable than in previous years, but the effects hit harder in Canada. Consider, for example, that the average salary in Toronto, Canada’s largest city, is $62,050 CAD. that’s pretty low by US standards, the equivalent of $45,000 US, well below the average salary in Chicago or Houston, two comparable US cities. In those cities the average is ~$63,000 US. Meanwhile rent prices in Toronto are about the same as in Chicago in US dollars, and far above rent prices in Houston. If you wish to buy a home, the price in Chicago is about half that in Toronto. Even with healthcare, life is generally more affordable in the US, and home ownership, though difficult, is not out of reach, especially in Houston.
Image generated by (for) Ryan Williams, a Conservative Canadian politician. It overstates the problems caused by Trudeau. Canada first began falling behind in the 1980s, though problems increased in 2015.
A main reason that Canadian housing is so expensive is permitting is difficult. Canada has plenty of space for housing, but it’s hard to get a permit to build, and it’s hard to sell the home, too. To be a real-estate agent in Canada, for example, you have to take a year-long course, and pass several stages of permitting tests costing $6000 -$10,000 CAD. In the US, it’s cheaper, about $1000 US and generally it requires only a month-long course. These same regulations also cause salaries to be low, by decreasing productivity. It is hard to start a company in Canada, and hard to retain good workers, since low-productivity workers have rights to equal pay for equal work, with no regard to productivity.
Canadian salaries also suffer from high immigration, particularly of low skill labor. Canada accepts about 500,000 immigrants per year, offering free healthcare and social services. During the Biden years, we accepted 6x more, about 3 million per year, mostly illegally, but Canada has 1/8 the population of the US and more generous benefits. As a result the decrease in affordability has been far greater. In the US and Canada, immigrants have been low skill or unemployed, presenting tough competition for native-born, low-skill workers, and burdening the government welfare system. There has been a push-back in Canada, as in the US, and Canada has begun removing illegal immigrants, as have we in the US. It’s less unpopular in Canada because Canadians see themselves as good no matter what they do. The Canadian population shrank by 0.15% last year, while ours continued to grow. In both countries, lower immigration of unemployed individuals, should lower housing prices, and should protect the welfare system. Of course some businesses benefit from low wage immigrant, and from the unemployed, the social services industry for one, Janitorial services for another. Rich folks are alway s complaining for more immigration because they find it’s hard to get cleaning help, and because they rarely pay taxes at any meaningful rate.
As a band-aide to these economic problems, both in Canada and the US, we have caught to raise government income through a new tax, tariffs. We’ve each put 25% tariffs on automobiles produced in the neighboring country. But Canada has a twist, it can benefit bringing bringing in high-tariff and prohibited imports from China and Cuba hoping the imports cross the border to the US. For example, they import Cuban cigars, and sell them near the border at inflated prices to Americans (largely) who smuggle them to the US. It worked too during prohibition for whiskey. In the last month, Canadian PM Carney reduced the tariff on 50,000 China-made EVs to 6.1%. If large numbers find their way to the US as new or used vehicles, the hope is that Chinese companies will buy manufactured goods from Canada, or evenest up manufacturing. It might work, though Cuba never set up cigar manufacturing in Canada. Typically Chinese companies send abroad nearly finished items, allowing the host country to add finishing touches that involve no technology but that can be claimed to raise the value significantly to avoid taxes. As the chart above, China imports from Canada are virtual all raw goods: food, petroleum, iron ore, gold… Technological expertise stays at home. Canada will need a home grown engine to get out of its funk.
At this point, the most likely home-grown engine is likely to be oil. Canada has oil, and the world needs it, especially China. Currently the Straight of Hormuz is effectively closed because of the war. Many countries are being hurt by this, but particularly China because of troubles in three of its major, sanctioned suppliers, Iran, Venezuela, and Russia. China will need a new source of oil, and will likely pay Canadian prices if the Canadian government can see through to provide infrastructure for export. Selling to China could also avoid a war.
Another thought, both to benefit Canada and the US, I’m pro-immigration, but suggest we target hard working, honest immigrants with usable skills: plumbers, cooks, programmers, cement workers … people who are unlikely to start out on welfare, and likely to provide a decent middle class lifestyle. The children from these immigrants integrate well in the US, and likely will into Canada. They integrate far better than the children of unskilled violent refugees. I also favor tariffs, especially on manufactured and luxury goods, like cars and wine. It provides government income, and promotes technical skill at home.
Jeff Bezos’s “Blue Alchemist” program recently got $25M from NASA to develop moon-based solar cell manufacturing on earth. See article here. The idea sort of makes sense to me: instead of transporting solar cells to the moon from earth, why not make them on the moon in bulk. Even light solar cells would weigh about 1kg/kW, making cells on the moon would reduce the effective weight per kW by a factor of 100 it is predicted, see figure. Given a need for megawatts of power, and the high cost to transport things to the moon, $1M/kg currently, this may make sense for the not super-distant future. Moon-made solar cells could reduce the cost per kW on the moon from $1million currently, to a mere $10,000/kW, cheap by moon prices, though super expensive by earth standards.
Elon Musk, perhaps out of envy or long-range vision, wants to go far further. He” recently’s posted’s proposed, at length a plan to launch moon-made solar cells into space along wit moon-made AI chips, with all this done to power AI centers in space, orbiting the earth or moon, see him discuss it here. He notes that “It’s always sunny in space”, so this electricity should be cheap. I don’t consider even moon-solar at $10,000/kW cheap, and power from these moon-launched cells will be pricer yet.
The reason all this makes sense to Musk is that he avoids the disruptions of solar power that come at night-time, and he avoids regulatory boards. He argues that there is no real alternative! given that power on earth is too hard and expensive, and complains that regulators oppose new power plants. I suspect there are some over-regulations, but some regulations are necessary, and I doubt he’ll avoid by going to space. As for the high cost of power, it’s really cheap in China, Lebanon, Iraq, Iran…Just look att he figure below showing the electric cost of bitcoin harvesting around the world. China runs on nuclear power or coal, delivering large-scale electricity at ~ 2¢/kWh. You can make power at a similar cost if you build your own plant, many of the bit-coin folks operate that way. It’s not exactly cheap, but a known technology, and cheaper than space solar amortized to less than 50 years.
AI chip-making is hard to do, even on earth, requiring water, chemicals, equipment and technical attention. Most companies can’t do it; China has barely cracked the technology. Doing it on the moon adds unnecessary difficulties: water and chemicals scarce, skilled servicing labor is hard to find. At some point, the moon and Mars community will want to make AI in space, but before that, they’ll want to make simpler things, like rice cookers. Until we have a fairly large community on the moon, why now make AI chips on earth. If he’s looking for practice, Musk could manufacture in a place that’s inhospitable, but more accessible than the moon: Greenland or Antarctica or the top of Everest. These locations are wam compared to the moon, and they have air and water, and I suspect electricity on Everest is cheaper than on the moon.
Operating AI centers in space is not particularly attractive, by the way. Chips have a tendency to flake-out in space because of cosmic radiation and stronger electromagnetic fields (EM). For this to work at all, chips have to be built specially robust, with correction software that must be particularly active, and you must shield everything from EM to a much greater extent than on earth.
I suspect the reason Musk wants to manufacture AI in space, and to operate there, is to over-shadow Bezos’s solar cell factory, and show off his own (Tesla) technology. Also to have a use for his Starships lifting heavy complicated things. It’s not a plan I would back.
