For me it is the fact that our blood contains iron. I earlier used to believe the word stood for some ‘organic element’ since I couldn’t accept we had metal flowing through our supposed carbon-based bodies, till I realized that is where the taste and smell of blood comes from.
You must log in or register to comment.
A loosely moderated place to ask open-ended questions
If your post meets the following criteria, it’s welcome here!
- Open-ended question
- Not offensive: at this point, we do not have the bandwidth to moderate overtly political discussions. Assume best intent and be excellent to each other.
- Not regarding using or support for Lemmy: context, see the list of support communities and tools for finding communities below
- Not ad nauseam inducing: please make sure it is a question that would be new to most members
- An actual topic of discussion
Looking for support?
Looking for a community?
- Lemmyverse: community search
- sub.rehab: maps old subreddits to fediverse options, marks official as such
- !lemmy411@lemmy.ca: a community for finding communities
Icon by @Double_A@discuss.tchncs.de
- 0 users online
- 233 users / day
- 946 users / week
- 2.44K users / month
- 5.59K users / 6 months
- 1 subscriber
- 3.07K Posts
- 119K Comments
- Modlog
A day on Venus is longer than a year on Venus. One day takes 243 Earth days, while a year takes 225.
Maybe it’s not “well known”, but still interesting in my opinion.
I mentioned this one to my friends the other day and it took so much convincing before they actually believed me! Definitely an interesting one. Venus also spins the opposite direction to all the other planets in the solar system, meaning the sun rises in the west and sets in the east.
I get people telling me “no, that’s impossible” every time I mention this fact.
“Search your feelings, you know it to be true”
Wouldn’t spinning in the opposite direction indicate that it’s axial tilt is flipped or something?
The leading theory is a moon sized object hit it with enough force to spin it backwards.
Ok hold up so the way I’m understanding this is that its tilt (day) is slower than it’s rotation around the sun (year). Is that right or am I way off?
Yep, and as a result, the ‘movement’ of the sun across the Venusian sky during a day seems to change direction (I think?)
Yeah the Venus makes a lap around the sun in less time than it does a rotation around itself relative to said sun’s position in its sky.
I’ve seen this fact somewhere before, but I still am unable to grasp it in my mind
Short: It completes a full 360° of the sun before the planet itself does a full 360° spin.
A few sentences longer:
In planet Earth human terms, we have defined one day as “how long it takes the planet to do a full 360 degree rotation”. Example: You spin a basketball on your finger and it does one full rotation.
A year to us is “how long it takes the planet to go around the sun”. Example: You hold a basketball out in front of you and you do one full rotation.
How does this affect its gravity?
It doesn’t. Gravity is caused by mass not spin. The planet’s rotation about it’s own axis will create a centrifugal effect that offsets gravity, but the effect is negligible for anything rotating as slow as planets.
It doesn’t. Gravity is related to its mass, not it’s orbit or rotational velocity.
The others already said the core aspect, but to get specific: the difference between your weight on the pole and your weight on the equator differs only by like .5% or something like that. This is the difference between spinning and not spinning (centrifugal force and no centrifugal force). (And also the difference in radius, since the Earth’s rotation makes it a tiny bit flatter than a perfect sphere would be)
Planets and stars and galaxies are there. You can see them because they’re right over there. Like, the moon is a big fucking rock flying around the earth. Jupiter is even bigger. I see it through a telescope and think “wow that’s pretty,” but every once in a while I let it hit me that I’m looking at an unimaginably large ball of gas, and it’s, like, over there. Same as the building across the street, just a bit farther.
The stars, too. Bit farther than Jupiter, even, but they’re right there. I can point at one and say “look at that pretty star” and right now, a long distance away, it’s just a giant ball of plasma and our sun is just another point of light in its sky. And then I think about if there’s life around those stars, and if our star captivates Albireoans the same way their star captivates me.
And then I think about those distant galaxies, the ones we send multi-billion dollar telescopes up to space to take pictures of. It’s over there too, just a bit farther than any of the balls of plasma visible to our eyes. Do the people living in those galaxies point their telescopes at us and marvel at how distant we are? Do they point their telescopes in the opposite direction and see galaxies another universe away from us? Are there infinite distant galaxies?
Anyway I should get back to work so I can make rent this month
If I point my finger at one of those galaxies, there’s more gas and shit between us within a hundred miles of me than there is in the rest of the space between us combined
What’s even more fascinating is that most of the stars we see in the sky are afterimages of primitive stars that died out long ago yet they shine as bright as the stars alive today
That doesn’t seem right. The galaxy is only 100,000 light years across (give or take) and the life span of stars is measured in billions of years.
Most of the stars we see are in our galaxy, so at most, we are seeing them as they were 100,000 years ago, which means that the vast majority of them will still be around, and looking much the same as they did 100,000 years ago.
I seem to have made a mistake then. Thank you for correcting it.
Thinking about it further, if we’re talking about stars that we can see with telescopes, Hubble, James Webb etc, then you’re on the money. Stars in remote galaxies far outnumber the ones in our galaxy and show us glimpses of the early stages of the universe. And many of those stars are long gone
Not too sure where you got that number from. From what I can find, the radius of the observable universe is estimated to be about 46.5 billion light-years.
Edit: I see now that you are talking Galaxy. That’s different.
deleted by creator
You should try Space Engine. It’s a program to explore the universe, based on real telescope data. It also has the ability to procedurally generate galaxies, planets, and stars in unobserved parts of the universe.
In the same vein, I like to remind myself that every field in physics is literally happening all around me, right now, and it always has been, in fact, I’ve never seen anything without these invisible fields in it and for some reason, that really makes me super aware of our place in the order of magnitudes.
It’s wild we can see so much further down than up.
I can really relate to this. I remember a weird night in my teens where I must’ve spent at least an hour staring out of my bedroom window at the moon, because really for the first time I’d had the exact same thought. It’s right there. It’s so easy to get desensitised to that and to just think of it all as an image projected on the sky. The thought has never really left me and even now I still linger on the moon every time I see it and try to acknowledge that it is a 3 dimensional object lol.
“Just a bit farther” is quite the understatement!
I mean, you may think it’s a long way down the road to the chemist’s, but that’s just peanuts to space.
First time I saw Jupiter through a telescope I got hit hard by the feeling: “Oh shit, that giant monster is real”.
Time relativity always boggles my brain, I accept the fact but I find crazy that if I strap my twin and his atomic clock to a rocket and send them out to the stratosphere at the speed of light, when they return he’ll be younger than me and his clock will be running behind mine. Crazy
Light is something else. If you were a photon, your existence wouldn’t be any measurable amount of time. You’d pop in and out of existence at the same time. Not only that, but your destination would be right where you popped into existence. Point being, photons do not experience time or distance. Only us outsiders do. If you managed to travel at the speed of light, from your perspective your destination would be right where you are and you’d get there instantly. Only contact with the outside world would confirm how far you traveled and for how long.
Also the idea that light is both a particle and a wave always mess with my head because I wanted to know why does it decide to change and when? And the answer is that light is always a particle and always a wave at the exact same time.
It is a wave particle.
And it is possible from light alone to build both an electron and a positron as demonstrated in a 1999 laser science experiment in New York.
I usually interpret this as behaviour: photons are not “particles” or “waves”, photons are photons. They just behave as waves and as particles, depending on how you’re looking at them.
Note that even things with a resting mass (like you or me) are like this, too. It’s just that, as the mass increases, the wave behaviour becomes negligible.
I think the double slit experiment is one piece of evidence (among a vast amount of other evidence) that Everett’s theory is absolutely true.
This doesn’t make it any less crazy
The crazy thing is there are actually two double slit experiments, and that light can tell whether or not you are actively observing it or not, and decides whether or not to actually exist as a wave or particle.
I heard from someone I respect irl that these experiments were debatable, but I can’t personally hold an argument about it.
It’s even crazier because you don’t need to reach the speed of light. It’ll happen in a smaller degree for any speed. Even in mundane conditions.
For example, if your twin spent four days in a 300km/h bullet train, for you it would be four days plus a second.
Usually this difference is negligible, but for satellites (that run at rather high speeds, for a lot of time, and require precision), if you don’t take time dilation into account they misbehave.
(For anyone wanting to mess with the maths, the formula is Δt’ = Δt / √[1 - v²/c²]. Δt = variation of time for the observer (you), Δt’ = variation of time for the moving entity (your twin), v = the moving entity’s speed, c = speed of light. Just make sure that “v” and “c” use the same units.)
I wonder how long it would have taken for us to figure out time dilation in Einstein hadn’t predicted it. I wonder if it would have taken until we observed it with satellites.
Without Einstein, I think that the discovery of time dilation would be delayed by only a few years. There were a lot of people working in theoretical physics already back then; someone else would inevitably dig through Lorentz’ and Poincaré’s papers, connect the dots, and say “waitaminute time might be relative”. From that, time dilation is a consequence.
In special I wouldn’t doubt that Max Planck would discover it.
I’m saying that because, in both science and engineering, often you see almost concurrent discoveries or developments of the same thing, because the “spirit of a time” makes people look at that aspect of reality or that challenge and work with it. The discovery of helium and the development of aeroplanes are examples of that.
IIRC the orbit of Mercure doesn’t work with Newton Model, and astronomers were predicted the discovery of Vulcain a small planet between Mercure and the Sun. So a new model had to be invented since Vulcain couldn’t be found.
We would have definitely figured it out once we built GPS, since you need to account for relativistic effects there.
Yes I knew about that and I’m glad that doesn’t make it crazier for me, instead it makes it easier to accept. If it were something that happened only after hitting some arbitrary speed value I’d be a lot more mentally damaged
To be fair the only ones that don’t get mentally damaged at all with this stuff are theoretical physicists. After all being crazy makes you immune to further madness.
Here’s something I just ran into looking stuff up for my comment: GN-z11 is one of the farthest galaxies we’ve ever seen. Thanks to the expansion of the universe, at a distance of over 30 billion light-years, it has to be moving away from us at over twice the speed of light.
What the fuck does that mean, temporally? Like, forget the speed of light, time dilation has to do with space and relative speeds. If I’m moving at near the speed of light relative to you, then my clock will physically tick more slowly. What happens if I’m moving over twice the speed of light? Is the real life GN-z11 in our reference frame moving backwards in time at over twice the rate we’re moving forward?
From my understanding, this is caused by the universe itself expanding between the 2 objects, not that the object itself is moving that speed relative to us. It’s still completely insane to think about, either way.
I can’t find any reference that says it’s moving away from us at twice the speed of light, which would violate Relativity. The fact that it is further away from us in light years than the age of the universe in years, is due to the fact that the space itself is expanding.
The thing is, it’s moving that fast because of the expansion of space. ≈30 billion light-years over ≈14 billion years equates to over twice the speed of light. Does that mean there’s no crazy relativistic time dilation, and time is moving normally for them in our frame of reference, since they aren’t physically moving, it’s space that’s expanding? That’s just as wild to my brain
The part that I understand in the intellectual sense, because I know or at least used to know how it follows from the math, but which just doesn’t feel like it should be the case, is the whole “relativity of simultaneity” aspect of it. That there isn’t an objectively true order in which events happen in, if the events in question aren’t linked by cause and effect. That is to say, it is possible for one person to see an event A happen before another event B, a second person to see the two happen at exactly the same time, and a third to see event B happen first and then event A, and for all three of them to be equally right. It just feels like, on some level, there ought to be one objectively true order to time, a single valid timeline that all events can be placed in relative to eachother, and for time not to work that way feels so absurd as to not even be able to articulate why the idea feels wrong.
Some schools of thought (sorry I’m a proponent of Everett’s theory) say that time is an illusion and every moment is as equally a part of reality as any other moment. Like a flipbook, all moments exist and always will. Time is our perception of these moments being in a sequence.
Another cool idea: time may be a consequence of the universe trying to reach the absolute highest point of entropy and may not exist for any other reason. Life may exist to assist in reaching that entropy since life is extremely good at creating entropy. Where life exists, entropy is created en masse.
Sorry, I’m blabbering. I’ll shut up now.
From what I understand, you are always travelling at the speed of light through space/time, but when you move at high speeds through space that shifts the proportion of your speed out of the time dimension. And a photon travels only through space, experiencing no time between the time it was emitted and the time it was absorbed. What I just can’t wrap my head around is the concept of travelling at some speed without involving the time dimension at all.
I wish we could test this out with only simple apparatus. Unfortunately the common people do not have access to satellites or nonstop bullet trains.
Nobody has access to the speed of light (or anything near it).
There’s a giant ball of extremely hot plasma in the sky and we aren’t supposed to look at it. What is it hiding? Surely if someone managed to look at it long enough, they would see the truth!
I often used to look at it as a child, however the adults wouldn’t let me. I knew there was some ulterior motive behind it.
“You look unhealthy! You should go stand in that really large room and absorb the radiation from that gigantic space-based fusion reactor more!”
You’re right, that sounds like a great idea.
I had the same thought so I looked directly at it everyday during an hour at sunset for a year, it was intense and an interesting feeling, it is called sungazing.
I’ve seen some of its secrets during the eclipse. It’s an angry, writhing tentacled thing. Be thankful it’s so far away.
Don’t look up!
Not exactly bizarre, but it’s fun to learn that the delicious fragrance of shrimps and crabs when cooked comes from chitin, and chitin is also why sautéed mushrooms smell/taste like shrimps.
And since fungi are mostly chitin, plants have evolved defenses against fungi by producing enzymes that destroy chitin, which is how some plants eventually evolved the ability to digest insects.
EDIT: a previous version of this post mistakenly confused chitin with keratin (which our fingernails are made of). Thanks to sndrtj for the correction!
Chitin is not produced by mammals.
Fingernails are composed primarily out of keratin (same as hair and skin).
Oops! I stand corrected.
Wow I didn’t know this and I’ve never felt a similarity between seafood and mushrooms either in flavour or smell. But, still a cool fact.
It’s one of those things that feels really obvious if you cook a lot of east/south Asian dishes - shrimp sauce and mushroom soy sauce have a pretty similar aftersmell to them because they’re so concentrated
I’ll be honest, I’m not much into cooking Asian. I’m also not a frequent crustacean eater, but I eat mushrooms regularlish. I’ll pay more attention from now on, but I would have never otherwise thought of making a link between the two
The sun could’ve gone nova 8 minutes ago and we wouldn’t know for another 20 seconds or so.
Interesting fact: the sun becomes 1 million tons lighter every second.
Diet specialists hate this trick.
It’s simply burning calories.
Lighter or brighter?
The ton is not a unit of brightness
You sure? The wacky system of units has a lot of different meanings for the word ton. Among others, it is a measure of power.
Yes.
Well, we’d know by now
37 minutes later…still here.
Any moment now! Hopefully…
The birthday paradox
If you get 23 people in a room the odds of two of them sharing a birthday are 50%
it’s not part of the paradox, but there are also days when people tend to have more sex
like new years, valentines, christmas etc. (in the west at least)
so you tend to get more people born 9 months after those days
Relevant
I listen to This American Life also.
i don’t know what that is
! I just assumed, lol
They have an episode where they talk about the birthday paradox and then follow it up with talking about how the math isn’t 100% correct as applied to humans bc birthdays aren’t normally distributed.
https://www.thisamericanlife.org/630/transcript#:~:text=A simple way to think,those two share a birthday.
ah, fair enough lol
Yeah that’s why so many people have birthdays in September
Blows my mind how this by its bare bones is just simple statistics and combinations but is a totally different story when described in English. I’m sure there are similar facts like this that are mathematically logical but to a layman is confusing and inconceivable.
I’d test this, but I don’t have 22 friends.
The concept of a room is malleable. Go to a 22 person tf2 server and ask birthdays.
But you need 23 people.
Swab is a person, are they not?
So not really then. I’ve always heard this but not seen it explained. But what you’re saying is that with every interaction the likely hood of finding a match goes up. But realistically, probabilities like that are just fun quirks of math, not representations of reality. Probabilities are doing the math on events, but these are events discussing concrete and unchanging dates. Every person paired up isn’t given a random date in every interaction. They have a set date from the outset, you just don’t know it. There’s not a random number generator picking a number from a set every time. Unless you’re in a simulation and none of this is real and birthdays don’t exist and the computer you’re plugged into has to make up a random birthday every time you interact.
Sorry, but I honestly have no idea what you’re trying to say. If you have questions you can click on the Wikipedia link!
Ah. Sorry, I assumed you knew what you were talking about about and not just copy/pasting a thing you found. My bad.
It helps if you can compose a coherent sentence! :)
Your inability to understand is not my problem. I suggest a reading comprehension class. I understand that some of those big words like “Probabilities” and “math” might be too much for you. It’s okay. We all have things we’re good at. You’ll find yours one day.
That’s completely wrong lol. Nowhere is there an assumption that birthdays are randomized each time, you just don’t understand the math.
Calcium is a metal. We have metal bones.
From Wikipedia on bones:
So the statement is a bit faulty, not only because of the relative low amount of calcium in our bones, but also because it appears as a mineral. We distinguish between salts and metals because of their chemical properties being quite different (solubility, reflectiveness, electrical conductivity, maleability and so on).
Edit: I do realize the point of the comment was not to be entirely factual, so if I am allowed as well I would say science is pretty metal.
We also distinguish between metals and non-metals by field of study. Ask an astronomer which elements are metals sometime.
How so? I thought they were mostly determined by their positions in the table of periodic elements.
Lol, they are. In astronomy anything heavier than Helium. is considered a metal.
https://en.m.wikipedia.org/wiki/Metallicity
Well TIL. It makes sense that from an astronomical perspective the use of metal as a qualitative distinction of material properties makes less sense than as a distinction of mass.
Thanks for the reality injection!
The statement was glib but even the partial truth of it made me wonder when I first learned it.
By the sound mine make I would have thought free jazz.
Oh my… I refuse to accept this as reality
We’re all organically powered metal meat machines? 😭
They’re made out of meat.
Here is an alternative Piped link(s): https://piped.video/GggK9SjJpuQ
Piped is a privacy-respecting open-source alternative frontend to YouTube.
I’m open-source, check me out at GitHub.
In the same sense that we contain a massive volume of gas, because there is a lot of hydrogen in our bodies. Yes, hydrogen is a gas, and yes, there is a lot of it on our body. But it’s bound, so it doesn’t count.
It would be more accurate to call it stone than metal, because the calcium in our bones is also bound to other elements, which means it does not exhibit its usual metal characteristics.
They sure don’t feel metal.
There is about 8.1 billion people in the world. Assuming romantic cliches to be true and that we all have exactly one soulmate out there, we would have a very hard time sifting them out. If you were to use exactly one second at meeting a person it would take you 257 years to meet everyone alive on earth at this moment, which due to human life span being significantly shorter and the influx of new people makes the task essentially impossible without a spoonful of luck. Moral of the story: If you believe you have found your soul mate, be extra kind to them today.
Soul mates are made, not found. You get with someone compatible to you, and through the sharing of experiences and affection, if nothing goes excessively wrong, they become unique for you.
That catch is, you need to find that someone in the first place, and that takes a bit of looking around. So in effect, soul mates are found.
Definitely agree and beautifully put :)
Well said!
there’s people that don’t like music.
I’m one of them. Haven’t been able to listen to music since I stopped drinking.
Can you tolerate it at least, or you get annoyed if it’s playing at an event/Uber/supermarket etc?
I can tolerate it to an extent. I really don’t like it, though, so any prolonged amount of music exposure and I’ll start complaining. Supermarket? Fine. I’ll live, but a road trip in the car? Hell no.
It’s weird when you’ve chemically dulled your senses for 13 years how intense emotions really become.
Wait, what? Are you saying you actively don’t like music? I mean i can (kind of) understand if a person doesn’t really get a pleasure response from listening to music, but you’re saying listening to music actually gives you a displeasure response?? ALL music? It’s ok if that’s the case, you didn’t choose to have that response, but i just want to be clear that this is what you’re saying?
Yes, that is the case.
I enjoyed music when I was a drunk. However after dulling my emotions for so long, music causes intense emotions that can be extremely uncomfortable now. It’s hard to describe I guess. I permanently altered my brain with years of abuse so it’s not normal anymore.
Man that sucks. But it seems like you’re doing better these days, so that’s good.
It’s all good. Beats being dead! Haha.
A lot of music generates unpleasant sensations for me too, though I can tolerate it a bit. Unlike the other commenter though, I can enjoy a lot of other music. What’s unusual in my opinion is that it’s all music, not the negative response. Lucky you if the worst that music can get from you is indifference!
I see. I totally get what you mean, it’s taken me years to learn how to tolerate a lot of music I don’t like. Thanks for sharing
I told people I didn’t like music, and pretended not to like, when I was young. My sister was really into music, and my dad always had the radio off in the car (I think so conversation could happen), so I thought it was a girl thing and rejected it.
I have since changed my tune.
As a person who was born liking music, I indeed find it too bizarre to believe to be true.
I used to be like this, but with movies. When I first met my wife, she was utterly baffled at the concept of somebody not enjoying movies, and she made it her mission to make me enjoy them.
Come to think of it, she actually doesn’t like music much. I’ve failed to change her opinion on that though because my taste in music is shit (and I’m proud of it.)
I am still like this with movies and TV.
It just doesn’t appeal to me. I’ve seen a handful of movies/shows that I’d call “not boring as shit” ever, and even then, its not something I’d choose to do myself, but is fine if I’m, like, chillin and chatting with people or whatever.
Might be my neurodivergence, might also just be how much of a reader I am. Movies are just so slow compared to reading.
I thought my significant other was one of these to a certain extent. It does weird things to me as a DJ. Turns out that she just likes the limited music that she likes and cannot stand most everything else.
The hell that giving birth can be.
A lot of women endure having a baby…and holy. shit. No.
Their bodies produce chemicals that cause them to forget how bad childbirth was.
Exactly. I was there and saw my wife having the worst pain of her life. Really without exaggeration. It was incredibly hard and painful.
Then, 10 minutes after it’s all over, she looks at me and says “Well, that wasn’t so bad”.
Evolution is a hell of a drug.
I suppose it is for the best, but nonetheless I find it uncomfortable how our bodies have the ability to manipulate our brains’ memories and our consciousness residing in the same place cannot do anything about it
Oh, it’s worse than that, the consciousness is in on it.
These chemicals are our memories. They aren’t manipulating it. It’s just how it works.
On another note: the body produces opioids when you’re in great pain
The hormones really carry you through. Lol. And at least it’s relatively short with a positive end goal.
Every time that comes up, I think to myself “Something I’ve gone through must be more painful, right? I’ve gone through some pretty hellish things, and you’re trying to tell me something MORE painful exists? Not just a little more, but dramatically more? For my own sanity, I’m gonna have to live in denial of that.”
Alaska is simultaneously the northernmost, westernmost, and easternmost US state.
How is Alaska easternmost?
Likewise, the closest US state to Africa is Maine.
What would happen if you were to put both of yours legs in these westernmost and the easternmost parts?
Your legs would glitch around the whole circumference of the Earth.
You would have both legs in Alaska.
You’d probably drown.
I need to go to bed, I misread that as “Ahsoka is simultaneously the northernmost, westernmost, *and” easternmost US state."
That “I” am pretty much just the construct of electrons flying around my brain.
That you need to lay down K.O. for many hours every day, otherwise you get insane.
That we are always only 2min or so away from death, if we stopped breathing.
That everything I eat actually gets digested into mousse and bacteria are in my body, digest it and I get the elements into my blood.
That our world is so big, but you could also walk to China
Japanfrom the EU, if you had enough time. But also its crazy how huge our common trade routes are.That a weird minicomputer in my pocket can store 128GB of information, access a wireless network from across the whole planet, and can remember so much more than my brain
Walking through the Sea of Japan is a bit of a challenge, though.
Haha okay there is some water thats true.
Between Japan and the EU, there is an ocean. You also need to swim, not only walk.
Swimming is walking in water /s
That’s not true though. You need REM sleep. Sleeping doesn’t mean you’re K.O. You’re processing things and regenerating. That’s like the exact opposite of being K.O.
But you’re out. That processing is so intense you have to de-link nearly all environmental inputs.
Okay true, but you also need deep sleep a lot otherwise you dont regenerate. Also the body is fully K.O. which may make more sense
If you get into mindfulness meditation a little bit, the concept of self in general shifts in really weird ways. Like I know that I am an individual entity in the world, but the sense of an individual actor or driver within my consciousness has faded somewhat. When you recognize that the thoughts or feelings that manifest in consciousness are about as much under your control as whether the wind is blowing or what the people across the room are talking about, it gives you a new perspective on life.
The mitochondria in all but your blood cells are a different species than us with their own separate DNA.
You mean the power house of the cell?
i love my powerful little friends
Wait what?
That the first civilian hot air balloon was perceived as a flying monster by rural French onlookers who tried to bring it down before beating it with sticks.
Makes the whole Hartlepool monkey story seem sane.
Here is an alternative Piped link(s): https://piped.video/watch?v=U-hiS4YObes
Piped is a privacy-respecting open-source alternative frontend to YouTube.
I’m open-source, check me out at GitHub.