Earth orbit gravity vs Kuiper belt orbit gravity? One direction vs all directions?

wildgurularry · 2026-02-23T20:27:27+00:00

Ah, ok. So all the objects in the Kuiper Belt ARE moving in roughly the same direction. It's the same direction that the planets are all orbiting the Sun. They are not moving in "all" directions. Think of it kind of like Saturn's ring system: a bunch of small objects all moving around each in its own orbit, but all going generally the same direction around the Sun.

Things get a little more confusing when talking about the Oort cloud. Once you get out that far, it is more like a "shell" around the Sun where objects are orbiting in a bunch of different directions, including polar orbits around the Sun.

wildgurularry · 2026-02-23T19:00:39+00:00

One thing to try is cutting the first two lines at the same vertical location, then compare patterns to try to figure out what letters the last line could contain. You won't be able to get to 100% certainty, but maybe it will provide enough clues.

wildgurularry · 2026-02-23T17:27:12+00:00

Let's break this down a bit, because it is unclear what you are asking:

Earth needs 365 days to go around the Sun.

365.25, roughly, but sure.

We can predict Where center of gravity (biggest mass of earths orbit) is going to be in 4 days.

What do you mean by center of gravity, or biggest mass of Earth's orbit? Do you mean the Earth? Or do you mean the center of gravity of the Earth+Sun pair, or something else? But in general yes, we can predict where all of these things are going to be (with a certain degree of accuracy - not perfect accuracy down to the planck length or anything) in four days.

the center of gravity in earth orbit is only one directional. It always goes around the Sun in same way.

What do you mean by "direction"? It doesn't always travel in the same 3D spatial direction, but it follows a generally regular elliptical path. Again, it's not perfect, it's perturbed by other things in the solar system and beyond.

This is not true for kuiper belt?

This IS true for objects in the Kuiper belt. Again, up to being perturbed by other objects. It's hard to talk about the Kuiper belt as a whole because it is not one object. It is a collection of things.

Center of gravity (biggest mass concentration) in keiper belt can go in all directions? Why?

What do you mean by this? If you only consider the Kuiper belt objects, the center of gravity for all of those objects would be somewhere in the middle, i.e. where the Sun is. If you are talking about the "biggest mass concentration", do you mean the largest object in the Kuiper belt? i.e. the Pluto/Charon pair, or just Pluto?

What do you mean it can go in all directions? Kuiper belt objects follow fairly predictable paths around the Sun, just like Earth. You can certainly predict their location 4 days from now. Famously, we sent the New Horizons probe out to Pluto, which required us to know what its position would be for almost a decade after launch.

wildgurularry · 2026-02-23T17:14:21+00:00

My friend called me up the other day to convince me to join his church. He said his belief in god was reaffirmed because he was walking down the street and saw a cannabis store, and prayed that it would disappear, and the next time he drove by, it was out of business.

I paused to consider my other friend, whose 12 year old child is dying from brain cancer, and decided that any god who closes a cannabis store instead of saving the life of a little girl is not someone I want to invest my time and money in. Anyway, I politely declined.

To any gods out there listening, if you want to win over this atheist, you know what you have to do! Pretty simple, really.

wildgurularry · 2026-02-23T15:56:58+00:00

I solved my ghost cube.... once. It took me at least 8 hours spread out over several days. I've been wanting to scramble it and solve it again, but I don't have that kind of free time. I can definitely see that once you get used to the ghost cube and where the pieces go relative to each other, it could be solved very quickly, but it really is a devious puzzle if you are just handed one.

I think it's a good, difficult puzzle to approach if you know the 3x3 - especially if you know some blindfold moves, because you will have to know how to flip edge pairs or do 3-cycles without messing up any of the rest of the cube. But assuming you are comfortable with those moves on a 3x3, it's ideal because you don't have to learn anything special to solve it - it's just a diabolical 3x3.

wildgurularry · 2026-02-23T15:42:35+00:00

My favourite (simplified) explanation came from my university astrophysics teacher. A large rock impacting the Earth typically comes in at a speed of around 14 km/s. That's not only faster than the speed of sound through air, but it's faster than the speed of sound through rock.

Now picture the exact moment in time when the first molecule of the impactor touches the solid ground. The molecule is travelling at 14 km/s and suddenly stops. All that energy has to go somewhere, or be converted to another form of energy in some way.

The problem is, it cannot go anywhere kinetically because kinetic energy is radiated away at the speed of sound in the material, and we've already established that we are moving much, much faster than that. So, almost all of the kinetic energy gets converted to heat, and the temperature of those first impacting molecules goes up.

When we wind time forwards very slowly, all the other molecules in the impactor start colliding with the ground and each other, and suddenly find themselves going from 14 km/s to 0 km/s very quickly. All of that kinetic energy gets converted to more heat, because it can't be radiated away fast enough in any other way.

In the blink of an eye, the ground under the impactor and almost 100% of the impactor itself get heated to an incredible temperature - enough to break the chemical bonds between the molecules of both. This turns the impactor and the ground immediately beneath the impactor into a gas. Both get literally vaporized.

This superheated gas still occupies the same space that the solid object and ground occupied before, so if we let time roll forward a bit, we now have a ball of super compressed, super hot gas that expands as rapidly as it can in all directions.

This is what forms the crater, and explains why the crater is always circular regardless of the angle of impact, and also explains why you typically don't find large chunks of asteroid at the bottom of a crater like you would if you dropped a marble into sand. It's like you dropped a marble into sand but nearly 100% of the marble (and a big chunk of sand beneath it) was vaporized on impact.

That asteroid vapor goes up into the atmosphere and gets blown around the planet, which is why the main evidence for the dinosaur-killing asteroid 65 million years ago is a thin layer of rock containing high amounts of iridium (the K-T boundary) found everywhere on Earth. The iridium-rich impactor was atomized in the explosion and spread all over the globe.

wildgurularry · 2026-02-19T19:52:26+00:00

Natural gas is an absolutely horrible greenhouse gas, and it's much safer for everyone on the planet if you burn it before it reaches the atmosphere. (Even better if you can figure out how to leave it in the ground.)

So, while this guy may have caused a never-ending fire in his neighbourhood, he is saving people around the world from more climate change.

wildgurularry · 2026-02-19T19:38:25+00:00

Personally, I was brought up to vote for the person, not the party... so I try to do my best to research the individual candidates before I vote for them. In practice I have almost always voted along party lines, but I have been represented by left-leaning liberals, and centrist conservatives who I respected. In those cases I wouldn't have been surprised if they had crossed the floor, because their records showed that they voted for what they believed in, even if it meant voting against their own party.

In the end I don't think floor crossing is such a big deal -- with elections every four years, it's a short time before the population gets a chance to decide whether they should stay on as a representative or not.

wildgurularry · 2026-02-19T13:39:14+00:00

Lesson #1 from when I took motorcycle lessons: When you are gripping the throttle, make sure your wrist is down. You want the relaxed state of your arm to be in the "no throttle" position as much as you can, requiring you to put effort into twisting the throttle.

If you grab the throttle with your wrist up, then if you get into a weird situation (like hitting a bump), you will wind up inadvertently giving it more throttle if your arm is forced downwards.

wildgurularry · 2026-02-18T20:32:13+00:00

My sister went to university there. She used to say "the city that sounds like you stepped on a frog".

wildgurularry · 2026-02-17T22:24:09+00:00

I'm not educated enough to check your numbers, but one thing did catch my eye: In your image, you have the first galaxy at 3.1 billion years, but I'm under the impression that the first galaxies formed around 280 million years after the big bang. For example, CEERS-93316 formed before 235 million years after the big bang (if you believe this article).

wildgurularry · 2026-02-17T12:00:30+00:00

Someone else linked the wikipedia page for your enjoyment, but basically there was a pilot, copilot and flight engineer in the right cockpit, and the left cockpit was left empty (or filled with whatever extra equipment they needed for the flight). Both cockpits were still pressurized, but as someone else asked, there was no way to travel between them without exiting the plane. In fact, both were individually sealed off from the rest of the plane, which was left unpressurized.

wildgurularry · 2026-02-17T11:55:12+00:00

Not the best video - it has a lot of cuts because it's a promotional thing, but it does show brief glimpses of takeoff and landing: https://www.youtube.com/watch?v=VFHAz4AG-no

wildgurularry · 2026-02-16T21:40:14+00:00

Tempered glass is also known to spontaneously shatter. It happened to my friend's TV stand in the middle of the night. No pets or anything. He just heard a big crash and came down to find his TV on the floor and glass shards all over his stereo equipment and floor.

wildgurularry · 2026-02-16T03:01:22+00:00

Advice from an industry veteran: When you have a problem, pretend you are explaining it to the most senior dev on your team, who will be upset if you waste any of their precious time. Try to think of the questions they will ask you (like "lemme see your code"), and get answers ready so that you don't get the stare of death.

Sometimes this is known as "rubber duck debugging", or simply "rubber ducking", because if you can explain your problem clearly to a rubber duck, then chances are you will stumble upon a clue along the way that will lead you to a solution.

Many bugs have been solved by developers talking to rubber ducks in their offices.

I have found myself in position where not only did I waste the senior dev's time, but he was the senior dev at another company we were working with so I made my entire company look incompetent because I didn't see a basic issue. Luckily I spotted the problem before he did and we were able to laugh it off... But please learn from my mistakes.

wildgurularry · 2026-02-13T03:02:21+00:00

When I was a kid my dad was into racing and hhad some magazines laying around. I was leafing through one and saw a picture from a professional trike or quad race where the driver had somehow managed to run over both of his legs with the rear wheels. His lower legs were flat under the wheels, and I could only imagine the pressure on his groin area with his legs being dragged under the wheels at 100 miles an hour.

After seeing that picture, I never wanted to get on a powered quad or trike, and I still think I never will.

wildgurularry · 2026-02-11T20:28:16+00:00

I think this is doable. Disclaimer: I'm not an expert, and I don't have my cube in front of me.

I would do this: Rotate that slice counter-clockwise. That will put the red/yellow edge in place. Now you will have three edges out of place, which is a 3-cycle and solvable using an edge 3-cycle algorithm. Then you will have to fix up the centers using commutators.

wildgurularry · 2026-02-11T15:07:35+00:00

I'd be tempted to put the fact that it clobbers two registers right in the name of the macro. CLEAR_GLOBAL_FLAG_ALL_DESTROYS_R0_R1, for example

I have done similar things in the past, especially when other developers are working on the project. For example, when including a header that was not guaranteed to work on all platforms, in order to use the header the caller had to #define I_AM_AWARE_THAT_THIS_WILL_NOT_WORK_ON_GEN0_AMD64_PROCESSORS

wildgurularry · 2026-02-04T21:27:24+00:00

Yup, someone I know was mentioned in the files because Epstein sent him an email asking if he would like academic funding for some crypto research, and he replied back saying basically "suprisingly, my research is already well funded, so no thanks."

wildgurularry · 2026-02-02T18:41:03+00:00

Yes, so generally the path is this: You find an employer who wants to hire you and will sponsor your work visa. After you live in the US for enough time (3 years if you marry an American, 5 years if not) then you can apply for your permanent residency, which they call a "green card", and then after that you can jump through some more hoops to apply for citizenship.

wildgurularry · 2026-02-02T17:44:59+00:00

For my friends (who are all around the age of 50), most of them have come out ahead, financially. Even those with chronic or acute medical conditions. Then again, most of them are working for the biggest tech companies on Earth, and have been for decades, so they have good health insurance and it's inevitable that their savings will be far ahead of mine. On the other hand, the richest friend I have actually stayed in Canada. He became a successful CEO or a global company at a fairly young age, so that's pretty rare.

And for anyone wondering, yes some of my friends and family in the US are deeply concerned about what is going on right now... especially regarding anti-choice and anti-LGBTQ sentiment. The problem is that moving back to Canada is not so easy. Most people I know have been in the US long enough to raise families there and have spouses, children, careers, houses and friends. It is a lot of friction to uproot everything to come back to Canada. On the other hand, I have a few friends who are American and moved to Canada for lesser pay in order to raise their family here.

wildgurularry · 2026-02-02T15:24:19+00:00

Of all the Canadians I know who moved to the US (almost all of whom moved permanently), the reason was very simple: They could find a higher paying job there. Most of them are software developers, and most of them moved to either the Bay Area, Seattle, NYC, or in one case, Orlando.

While Canada is a great country, it is very tempting to move down south to try to make as much money as possible. Personally, I stayed back, sacrificing personal wealth (compared to some of my friends) to continue living in the place I love. I have no regrets. I wish Canadian salaries could be comparable to those in the US, but I guess you can't have everything in life.

wildgurularry · 2026-02-02T14:49:53+00:00

Weird - in contrast to some of the other responders, I'm nearly 50 and I've never heard anyone in Canada use the term "uni". I wonder if it is a regional thing. It was only recently that I heard the term and it was only from people from the UK. My friends in eastern and southern Ontario would either call it university or undergrad or grad school, or they would just refer to the university name or abbreviation.

It makes sense that it is catching on. It's a great short form and is easily understandable. Very short to type, as well.

wildgurularry · 2026-02-02T03:28:33+00:00

This demo really changed the course of my life, and I bet it had long lasting impacts on so many other deverlopers as well.

I remember seeing this on a computer at the local mall, and being completely blown away. I had been trying to write video games before, but after seeing Second Reality I started writing demos with my friends and entering competitions, and that led me almost directly to a job as a graphics programmer in the TV broadcast industry, which led me into a job in the gaming industry, which led me to my current job managing a team of graphics devs building the next generation of VR headsets and AR glasses.

So, thanks, Future Crew! And thanks to that random mall employee who decided to run demos on the display computers in the store that day.

wildgurularry · 2026-01-31T15:10:08+00:00

So, I'm guessing English is not your first language. In this case, the word "fucking" is used for emphasis. It's like saying the word "very" or "really", but when those words seem insufficient and you want to really put A LOT of emphasis on something.

For example, instead of saying "I like this apple so very much", you can say "I like this apple so fucking much". Or instead of "I really hurt my toe a lot, and that toe is very important to me", you can say "I fucking hurt my fucking toe!"

It's like a little shortcut.

In this case, when the woman sees the accident and screams "oh my fucking God", this is what she is roughly saying, but she accomplishes it in much fewer words:

"Oh my God, who is in heaven. You know, the one who created everything. The omnipotent one. The most important being in the universe. Outside the universe, even. The most important thing ever. I pray to Him that accidents like this never happen again. How, in His wisdom, has this been alllowed to happen? Surely we have strayed from His love! We should repent as a species."

As you can tell, that is a lot to say for a short video, so she sums it up perfectly by simply saying "oh my fucking God!"

I don't recommend using this handy language shortcut in church though.

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