vttoth

I am a software developer and author of computer books. I also work on some problems in theoretical physics. For more information, please visit my personal Web site at http://www.vttoth.com/.

Feb 262022
 

This piece of news caught my attention a couple of weeks ago, before Tsar, pardon me, benevolent humble president Putin launched the opening salvo of what may yet prove to be WWIII and the end of civilization. Still, I think it offers insight into just how sick (and, by implication, how bloody dangerous) his regime really is.

We all agree that planning to blow up a major institution, even if it is a much disliked spy agency, is not a good idea. But this is what the evil extremist, hardliner Nikita Uvarov was trying to do when he was getting ready to blow up the headquarters of Russia’s FSB, its federal security service.

Oh wait… did I mention that Mr. Uvarov was 14 at the time, and the FSB building he was planning to demolish was, in fact, a virtual version that he himself and his buddies constructed in the online computer game Minecraft?

It didn’t deter Mother Russia’s fearless prosecutors, intent on restoring law and order and maintaining the security of the Russian state. A couple of weeks ago, Mr. Uvarov was sentenced, by a military court no less, to serve five years in a penal colony.

 Posted by at 12:25 am
Feb 242022
 

These words, uttered by Putin, are the words of a madman:

Whoever tries to interfere with us, and even more so to create threats to our country, to our people, should know that Russia’s response will be immediate and will lead you to such consequences as you have never experienced in your history. We are ready for any development of events. All necessary decisions in this regard have been made. I hope that I will be heard.

Enjoy these good days with warmth, food security, functioning Internet and a working infrastructure. They may not last much longer, no matter where you live in the world. And when the nukes come, thank Putin.

 Posted by at 1:25 am
Feb 222022
 

This is the last moment until well into the 22nd century that the current time and date in UTC can be expressed using only two digits.

I can only hope that this date will not be memorable for another reason, you know, something like the start of WW3?

 Posted by at 5:22 pm
Feb 212022
 

There is an imminent possibility that Russia, a fossilized, sick regime, might attack Ukraine. The supposed reason? Ukraine is seen as a persistent national security threat bordering Russia.

There is a sobering historical parallel. A little over a century ago, another “sick man of Europe,” the Austro-Hungarian Monarchy, faced a similar perceived threat by a much smaller nation bordering their empire, Serbia. After the assassination of the Crown Prince, Franz Ferdinand, by a Serbian nationalist who was supposedly supported by the Serbian state, the Monarchy decided to act. Committed to Serbia’s defense, Russia entered the war; committed to their allies, but also fearing an emerging Russia, Imperial Germany soon followed suit. And as they say, the rest is history.

But what history books don’t often detail is what happened to the Monarchy’s armies in Serbia. Surely, the great armies of a major European power just crushed the defenses of a much smaller, less well-developed neighbor?

Er… not exactly. First, in August 1914, Serbian forces won the first Allied victory, when they pushed back the armies of the Monarchy in northwestern Serbia. Later that year, in December, the Serbian army launched a successful counteroffensive and pushed the troops of the Monarchy out of Serbia.

In other words: with sufficient material help from France and Russia, plus support on the diplomatic front, Serbia could have bloodied the nose of the Monarchy and won the war, without Russia or Germany (or France, or Britain) ever entering into the conflict. The Great War, arguably, was both avoidable and in the end, completely unnecessary.

I wonder what things will be like in the Ukraine. Should Russia attack, will other powers enter the conflict, risking a wider war, perhaps a world war? And if they do so… will it be just as unnecessary as it was in the case of Serbia a century ago?

I hope we won’t get a chance to find out. Meanwhile, I cannot help but wonder what Europe would be like had events in 1914 unfolded without the Great Powers entering the fray. An embarrassing military fiasco in Serbia might have done to the Monarchy what the Falklands war did to Argentina, ending authoritarianism, forcing the Habsburgs, if not to abdicate, then to enact reforms that would have transformed Austria-Hungary into a modern, constitutional monarchy. Similar developments might have taken place in Russia and Germany, following the British model, and avoiding bloody communist revolutions. Just imagine a united Europe emerge by the 1920s, 1930s, without the rise of fascism, Nazism, Bolshevism, without the devastation of two world wars?

Instead, 1914 ended a golden era.

PS: I wrote much of the above last night, less than 24 hours ago, but before Russia’s announcement that they now recognize the “independence” of two regions of Ukraine that their irregular troops “liberated” a few years back, and before they announced that they will send “peacekeepers” there. History, here we come…

 Posted by at 8:53 pm
Feb 202022
 

Engineers sometimes have to deal with unexpected challenges. This is especially true for systems that have to operate in a natural environment, subject to the elements, unpredictable weather, and, well, wildlife.

Take these beautiful Starlink satellite dishes. Little technological marvels that bring Internet service to rural users through Musk’s Starlink satellite constellation. Key to the system is a steerable small satellite dish that can be set up, e.g., in the backyard of the Starlink customer.

Unfortunately electronics ultimately converts electrical energy into waste heat, and the Starlink dish is no exception. The dish actually has a “snow melt” mode that is supposed to keep it free of snow and ice for uninterrupted operation. And it certainly has a comfy shape… especially when you are a feral cat in the middle of winter.

I doubt this issue was ever considered by Starlink engineers who designed the customer equipment. On the other hand, I would not be surprised if, in the future, engineering courses end up using this as an example of the unexpected, facing engineers.

 Posted by at 5:31 pm
Feb 202022
 

Recently, I came across an interesting article by a Jonathan Jarry from McGill University, suggesting that the much heralded Dunning-Kruger effect is not real, but a data analysis artifact.

Here is the famous Dunning-Kruger graph:

The usual interpretation is that those in the bottom quartile significantly overestimated their ability. This is the famous Dunning-Kruger effect.

But, Jarry says, a completely random model yields a very similar-looking graph:

and thus concludes that the Dunning-Kruger effect may not be real after all.

But wait. When we compare the two graphs, there are qualitative similarities but also striking differences. Notice how, in the second graph, the two curves intersect each other at roughly the halfway point. That makes perfectly good sense: If the model is that people in all four quartiles fail to assess their abilities accurately at the same rate, those in the bottom quartile will overestimate their ability just as much as those in the top quartile underestimate theirs. This would be the effect of random noise.

However, when we look at the original Dunning-Kruger curve, this is not what we see. Those in the bottom quartile overestimate their ability to a much greater extent than those in the top quartile underestimate theirs. Even in the 3rd quartile, people tended to overestimate their abilities, though only slightly, by the same amount as those in the top quartile underestimated theirs. So what the original Dunning-Kruger curve actually appears to show is a more ore less random spread in the 3rd and top quartiles, but significant bias in the bottom and 2nd quartiles, consistent with the notion that people in these quartiles overestimate their abilities.

Of course it would be nice to see a proper statistical analysis that also evaluates the statistical significance of the finding, but a simple, qualitative comparison of the two plots seems to show is that the Dunning-Kruger effect is real, after all.

 Posted by at 2:18 am
Feb 192022
 

I first heard about it from a friend, though he didn’t call it by this name.

It was a few days ago. Another convoy of trucks was approaching downtown Ottawa, to join their freedom-loving brethren to promote their message of love, peace, and, ahem, “fuck Trudeau”, “Trump 2024”, “Make America Canada Great Again” and other wonderfully delightful things representing our shared Canadian values.

But some evil, selfish Ottawa citizens, like my friend, had enough. Enough of the noise, the disruption, the lawlessness, the mob rule. And since the police were nowhere to be found, they took matters into their own hands.

Quite simply, they blocked the convoy’s path. They did exactly what free citizens are supposed to do when their community is threatened by a lawless mob: they defended it. The convoy turned back. And this event now has a name: The Battle of Billings Bridge.

Thank you, neighbors. And finally, a few days later (and arguably, three weeks late) our police are doing what they are supposed to do, and by all indication, they are doing a good job. Of course there are the inevitable cries, complaints about the abuse of power, the end of democracy, the tyranny of Trudeau. Never mind that it’s our city police (of course with help from other police agencies) and they are not doing it for Trudeau. They are doing it for us, citizens of Ottawa. To help us get our city back.

No, I do not enjoy the thought of a city under lockdown, with checkpoints all over downtown. And once the thugs with their weaponized transport trucks are gone, I hope our city will come back to normal, and that the lessons learned will not include turning Wellington Street into a copy of Pennsylvania Avenue, blocked from traffic with permanent concrete barriers, with ever present police armed with military gear. This spring, I hope I’ll be able to walk on Parliament Hill again, a free citizen, not prevented by the authorities but also not intimidated by thuggish occupiers and their vehicles.

 Posted by at 10:18 pm
Feb 192022
 

In the first season of Amazon’s political thriller series Jack Ryan, a terrorist cell releases poison gas in a crowded church after chaining the doors on the outside, to ensure that the victims are locked in and suffocate.

Amidst all the news unfolding in our fine city, it escaped my attention that something similar almost took place two weeks ago on Lisgar street in the downtown core: two criminals, apparently associated with the “freedom convoy”, attempted to set the lobby of an apartment building on fire while taping its front door shut on the outside.

In case anyone wonders what grants us the right to ask our police force to defend our city from those who occupied its downtown core for more than three weeks, this is your answer.

Had this attempt succeeded, it might have entered the history books as one of the worst incidents of terrorism in the history of Canada. Thankfully, the door was freed up and the fire was extinguished by a good Samaritan. The police are still looking for the perpetrators.

 Posted by at 6:05 pm
Feb 192022
 

The 64-antenna radio telescope complex, MeerKAT, is South Africa’s contribution to the Square Kilometer Array, an international project under development to create an unprecedented radio astronomy facility.

While the SKA project is still in its infancy, MeerKAT is fully functional, and it just delivered the most detailed, most astonishing images yet of the central region of our own Milky Way. Here is, for instance, an image of the Sagittarius A region that also hosts the Milky Way’s supermassive black hole, Sgr A*:

The filamentary structure that is seen in this image is apparently poorly understood. As for the scale of this image, notice that it is marked in arc seconds; at the estimated distance to Sgr A, one arc second translates into roughly 1/8th of a light year, so the image presented here is roughly a 15 by 15 light year area.

 Posted by at 5:04 pm
Feb 142022
 

Protesters here in Ottawa claim that the public supports them, but surveys say otherwise. In fact, apparently some two thirds of Canadians support the use of the military to end the illegal occupations.

I am fed up to my eyeballs with these insurgents, these seditionists who think mob rule is the way to resolve what could be a rational discussion about the value and validity of certain pandemic measures. (Of course we all know that it’s not about the mandates, it never was. The protesters might think that they are here on account of the mandates but in reality, they are just pawns, the forces behind them are much more sinister.)

But using the military? Talk about turning the propaganda into a self-fulfilling prophecy. The protesters may think of themselves as peaceful, perhaps even law-abiding, but the forces behind them actually covet violence: To them, success is measured by the number of dead cops and dead protesters that will be left on Wellington Street.

Which is why I sincerely hope that the military stays put in their barracks, and once this madness is resolved, the only thing that will need to be cleaned up on Wellington Street will be some litter and debris, and perhaps some doggie poo.

 Posted by at 2:26 pm
Feb 102022
 

Some random thoughts concerning this siege and occupation by an astroturfed movement.

  • Lots and lots of volatile fuel in unsafe containers in the open, and people playing with powerful fireworks. What can possibly go wrong?
  • To those concerned about the rights of these truckers, ask yourself: were you equally concerned about the rights of Occupy protesters who were evicted from Ottawa a decade ago? What about the rights of BLM protesters last year in the US?
  • A protester asserted that they cannot cut off his fuel supply that keeps him warm. It is against the law. Isn’t occupying the streets of my city, honking through the night, creating a fire hazard with fireworks and fuel in close proximity, and holding a city hostage while demanding the resignation of a lawfully elected government not against the law?
  • How an issue gets politicized, in three acts:
    Act I: Natural disaster occurs.
    Act II: Politicians in charge respond.
    Act III: Populist opportunists react: Look, the government is politicizing the disaster!
    (NB: I don’t care if the populist are MAGA-hat wearing opportunists from the US or the left-wing opposition in Orban’s Hungary.)
  • In a recent article, Toronto journalist Matt Gurney describes the protest as having evolved into a “cover to a cadre of seasoned street brawlers whose primary goal is to further erode the legitimacy of the state — not just the city of Ottawa, or Ontario or Canada, but of democracies generally,” and worries that “any move they make will trigger an incident that can easily result in dead cops, dead truckers and delighted far-right agitators.” Wish I could disagree with him.
  • One swastika flag is one too many. Why was it tolerated any more than an “I love Trudeau” flag would have been tolerated by the same protesters?
  • The Conservative Party may have done an about-face today, but it will take a long time for me to forgive them for abandoning core values of our constitutional order for the sake of short-term populist advantage.
  • Is it 1914 all over again? Looking at Ukraine, I wonder. Or is it more like 1933? That’s what Wellington street looks like, for sure. History, of course, never repeats itself, it only rhymes. But generation after generation, we keep making the same mistakes…
 Posted by at 11:54 pm
Feb 042022
 

Here is a quote from an internal e-mail, obtained by The Globe and Mail, that interim Conservative leader Candice Bergen authored:

“I don’t think we should be asking them to go home […] I understand the mood may shift soon. So we need to turn this into the PM’s problem.”

The evil cynicism is palpable. As is her complete disregard, contempt even, for the well-being of us, residents of Ottawa.

There was a time when I considered myself a supporter of the Conservative party. I even voted for Kim Campbell in the first Canadian election in which I could participate as a newly minted citizen.

But this sick joke of a party? I’d sooner vote for a rabid toad as prime minister than these shameless, power-hungry sociopaths.

 Posted by at 12:01 am
Jan 272022
 

I am restraining myself as I do not wish to contribute to the hate and division that is plaguing our societies. I keep many of my thoughts and suspicions on this topic to myself.

But I still can’t not comment on this “freedom” convoy that is coming to mess up our lives here in Ottawa this weekend.

Freedom to do what? Let me tell you:

  • The freedom to infect others with a severe illness.
  • The freedom to act in a way that can be a direct, tangible threat to the lives of some of the most vulnerable among us.
  • The freedom not to take part in preventing the spread of a severe communicable disease.
  • More broadly, the freedom from any responsibility towards others in our society.

Presenting this as “freedom” offends me deeply, as I personally experienced not being free, having grown up in a communist dictatorship. What is evident to me is that you don’t know what it is like to be deprived of freedom. This is why you cannot tell the difference between a true desire to be free as opposed to just blind, unconstrained selfishness and egotism, the freedom to do whatever the heck you want with no regard to any consequences that might impact the lives of others.

 Posted by at 8:15 pm
Jan 262022
 

World War III is long overdue.

Back when I started grade school, more than 50 years ago (yikes!) no sane adult expected the world to survive through the rest of the 20th century in one piece, without another major war. Recall that even Star Trek, for all its optimism, assumed that World War III (sometimes called the Eugenics Wars) would break out in 1992.

Yet here we are, the year is 2022, and the world is still largely peaceful. But for how much longer?

Ukraine is rapidly turning into a hot spot that might yet trigger a conflict the world has not seen in many decades. And it appears that we are on a collision course that resembles in some ways the events leading up to World War I. Nobody wants escalation; yet everyone believes escalation is inevitable and necessary.

Russia supposedly wants NATO to stop expanding, stop encircling their country. On the surface, this might seem like a valid concern. Russia, after all, has been one of the great losers of the past half century. The collapse of the USSR, the loss of its system of allied satellite states, internal strife, a struggling economy all add up. Of course having an increasingly authoritarian government serving a corrupt oligarchy doesn’t exactly help either.

On the other hand, Russia’s willingness to use force in the “near abroad”, including Georgia, the annexation of Crimea, and Eastern Ukraine rightly troubles other neighboring nations, especially the Baltic states that spent decades under Soviet occupation, incorporated into the USSR. Other Eastern European states also have not forgotten what it was like to be occupied by the Soviet Union. NATO is rightfully concerned that if it does not show resolve, its credibility as a defensive alliance will be destroyed.

And this sets up a tricky situation. Every step Russia takes to push back NATO actually strengthens NATO’s resolve. Every step NATO takes to deter Russia from aggression and to assist Ukraine actually strengthens Russian resolve. Moreover, NATO’s resolve helps Putin set the pretext for an almost certainly unpopular war, by presenting NATO actions as a threat to Russian security. Add to this that a war in Ukraine could do wonders to help Putin’s waning credibility, and that Russians, rightly or wrongly, see political discord in the United States as a sign of weakness and, for them, an opportunity, and we have a perfect storm.

Do I worry unduly? Is it not possible that even if Ukraine goes up in flames, it will remain a regional conflict on the geopolitical map, like Korea or Vietnam were many decades ago? Or perhaps a quick and decisive victory by Putin, like the one he enjoyed in Crimea, would settle this affair in his favor and the world will move on? Perhaps.

But it will also be the biggest military confrontation on European soil since 1945. And if that doesn’t scare the bejesus out of you…

And of course nobody wants a world war. Nobody wants escalating conflict that gets out of hand. That was true back in 1914 as well. But just as in 1914, political ineptitude, miscalculations, overestimation of capabilities, underestimation of opponents, a false sense of urgency to act, may all add up. And there may very well be parasitic opportunists, other nations who will join the circus sensing opportunities. I can easily imagine, unfortunately, Xi’s China entering the fray when they have reason to believe that the West’s attention is elsewhere. And that’s how a regional conflict becomes a global one.

 Posted by at 12:55 am
Jan 172022
 

Another week has passed in this amazing world of ours.

It is easy to lose perspective as we struggle with the pandemic and make our way through everyday problems. But we shouldn’t. These days, I must admit, I worry more often than ever that our world is heading towards conflict and upheaval, in some ways a repeat of the mistakes made back in 1914, ending a golden era.

A golden era I say? You bet. Yes, I recognize it’s not for everyone, far from it. Far too many people on this planet still struggle for the basic necessities of life; die in conflict; or live miserable lives under oppressive regimes. Yet it is also true that never before did such a large percentage of humanity live as well as today, with access (at least) to most basic necessities, some level of medical care, schooling, a degree of public safety, with at least some of their basic rights respected.

Meanwhile those of us living in luckier corners of the world enjoy everyday luxuries that not even the kings and queens of the past could dream about. Case in question: the other day, my beautiful wife visited a grocery store and came home with a package of assorted fruits, not perfectly fresh, which the store sold at a discount rather than throwing it away. One of the fruits was a kiwi fruit. As I was munching on it (yum!) it just hit me. Here I am, in Ottawa, in the middle of a very cold winter day (it was I think -26 C outside) eating a … kiwi fruit? Not a carrot. Not a potato. A kiwi fruit. Probably not all the way from New Zealand, “only” from California, but still!

Let that kiwi fruit be a reminder of what we might be throwing away if we allow the politics of the day to radicalize us. If we allow politicians to choose conflict that might escalate and get out of hand. “We have no choice” is not an acceptable excuse. It was what the leaders of Europe said back in 1914 when they plunged the world into a conflict of unprecedented scale. But choices do exist.

The world in which I grew up was the world of the Cold War. Yet it was a world led by politicians who experienced war first hand, and for whom avoiding conflict (or at least, avoiding escalation) was a top priority. This was even true for the septuagenarian Soviet elite. Whatever their intentions were concerning the USSR and the spread of communism, plunging the world into another global conflict was not considered an acceptable outcome.

Today? I am not so sure. There are flashpoints we know about (Ukraine, South China Sea) and flashpoints that we may not even have considered yet. More troubling, the world is now led by my generation: a generation that takes peace and prosperity for granted, a generation that believes they have an inalienable right to munch on a kiwi fruit even in the middle of a harsh Canadian winter, and who take it for granted that kiwi fruits appear magically on supermarket shelves whenever they desire to eat some.

That, of course, is not true. But if we have to find it out the hard way, it will be too late.

This is what happened in 1914. No kiwi fruits or supermarkets just yet, but still, that fateful year was preceded by an unprecedented golden era that, in many parts of the world (especially in Europe and North America but not only there) brought about amazing progress. Then, myopic politics ended it all. And now I worry that there will be a repeat performance, and as the world plunges into chaos, just as in 1914, we’ll be told that “we have no choice”.

We do.

 Posted by at 2:15 am
Jan 112022
 

My name is not the rarest, but also not terribly common. I never met another Viktor Toth in person, but over the years, I came across a few and I’ve at least been in close contact with one.

The first Viktor Toth I read about as a teenager was featured with his girlfriend in some silly magazine for young Pioneers in then-communist Hungary.

Around the same time, I also read about a Viktor Toth in a small town in Hungary, who butchered his unfortunate wife with an axe. Yikes!

When I came to Ottawa, Canada, I was surprised to learn that there was already a Victor Toth in the local phone book. I never met him, but I did end up working with a gentleman who knew him.

It was still relatively early in the Internet era when I first searched for my own name, in the context of the small Hungarian town of Visegrad where I once lived. Much to my surprise, I found a Viktor Toth but it wasn’t me. It was a Hungarian astronomer who organized a conference that happened to take place in that small town. (Much later, he and I got in touch and even collaborated a little, contributing an article to a Hungarian popular science magazine about the future of radio astronomy in the country.)

There is a Viktor Toth who is an internationally renowned jazz saxophonist; unfortunately the type of improvisation-based modern jazz he plays is not my favorite subgenre, but he seems very well regarded.

And finally, there’s the Viktor Toth who recently put his pet rat into a virtual reality harness and had him play Doom. For the record, the only rat I own is this one, and he definitely doesn’t play Doom:

 Posted by at 12:25 am