• 3 Posts
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Joined 1 year ago
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Cake day: June 17th, 2023

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  • cynar@lemmy.worldtoSelfhosted@lemmy.worldServer for a boat
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    5 days ago

    Your best bet might be to use a laptop as the basis. They are already designed with power efficiency in mind, and you won’t need an external screen and keyboard for local problem solving.

    I would also consider having a raspberry pi 3 or similar as a companion. Services that must be up all the time run on the pi (e.g. network admin). The main computer only gets kicked out of sleep mode when required. The pi 3 needs less power than the newer pis, while still having enough computing power to not lag unless pushed hard.

    I definitely agree with SSDs. HDDs don’t do well when rotated when running. Boats are less than a stable platform.


  • In short, Facebook are incentivised to increase conflict and hate, it improves user engagement. They have also leveraged their large user base to boost numbers in threads significantly. Threads is already a cess pip of bigotry and hate.

    Federating with them would be like connecting your house’s drinking water pipe with the sewage pipe of an industrial pig farm. It would pollute our community to the point of destruction.

    They might try and control this initially. Unfortunately, it would almost certainly be part of an embrace, extend, extinguish attempt. ( https://en.m.wikipedia.org/wiki/Embrace,_extend,_and_extinguish ). They play nice till they have control of enough communities, then they stop the controls, to increase profits.


  • One of Sir Issac Newton’s famous phrases is

    “If I have seen further it is by standing on the shoulders of Giants”

    This sounds very nobal and humbling. However, its meaning totally changes with a few facts. It was written in an open letter to Robert Hooke. Hooke was apparently quite short, and EXTREMELY sensitive about this. Newton was basically dissing Hooke. Nobody will be standing on your shoulders, shortie!








  • I’m a parent, and we made the conscious decision to become parents. That said, I can fully understand people who don’t want to have that responsibility. It can be exhausting and thankless, changing almost everything with your life, hobbies and habits.

    On the other side of the coin, the depth of love you feel as a parent is impossible to describe. With that comes a set of incredible feelings, watching your children experience, learn and grow.

    Basically, parenthood is almost completely thankless, but I wouldn’t give it up for the world.


  • cynar@lemmy.worldtoScience Memes@mander.xyzBLOOD IS BLOOD
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    9 days ago

    I have a relative who has an unfortunate condition that causes internal bleeding. They’ve had enough blood transfusions that their antibodies are completely haywire.

    Multiple times, doctors have not listened to their protests, and given them O-. They turn an impressive shade of yellow (among other, more serious, issues).

    Last I heard, there were 2 compatible donors known, 1 in a different country. Thankfully, you can store blood longer term. It’s just not cost efficient to do in bulk. They have their own little stockpile of blood at their local hospital (mostly self donated).


  • That method is still mostly recommended, though mostly for younger children/babies. The Heimlich maneuver is difficult to perform on a small body. You either over squeeze, and cause harm, or are too tentative, and so not helping.

    With babies, you hold them lying on your forearm, facing downwards, and slap (open handed) hard. I’ve only seen it used once, but it worked perfectly then.


  • There’s a story, though I’m not 100% sure on how true it was. Queen victoria did a royal visit to the new lab overseen by Michael Faraday. She asked him what use this new “electricity” was? His response was along the lines of "mam, we’re not completely sure, that’s why we are researching it.

    As for actual uses. It could give us the theoretical key to room temperature super conductors. It could give us a foundation for exotic space drives. It could help crack new forms of fusion reaction.

    Ultimately, it’s a foundational block. What gets built on there is hard to predict. By comparison, GPS is not an obvious extension of relativity. However, without an understanding of relativity, GPS would basically be useless. It would drift km/day


  • The limiting factor is the bend. The subatomic particles want to go in a straight line. A magnetic field is used to bend the beam around into a circle. The faster the particles are moving however, the more energy is needed to bend them. A larger circle has less bend. This lets you get your particles faster.

    Since E^2 = M^2 C^4 + P^2 C^2 (the full form is E=MC^2 ). If you can force the particle to stop rapidly, then you can force the energy from momentum into mass. This is done by hitting 2 beams into each other. The faster the beams, the more energy is available to convert to mass.

    Most of the time, this creates a lot of mundane particles. However, ever so often it creates something interesting. They rapidly decay into mundane particles, but the shower they create tells us a lot about them. The catch is that all the energy needs to be present at once. You can’t use more particles, you need to make them move faster.

    As for why. The more particles we have to study, the more we can figure out about the underlying rules. We have a number of theories. They all agree at lower energy levels, but disagree at higher energy levels. By knowing which is correct, we can pry deeper into the workings of reality.


  • In almost all cases the point is to keep things reversible. The problem is puberty. Once the hormone cascades hit, it’s far harder to transition. At the same time, fully transitioning is not something many children are equipped to cope with.

    Luckily there is a 3rd option. Puberty can be delayed without permanent issues. This gives the patient and doctors time to figure out what to do long term. If they were confused, they stop the drugs, and puberty happens normally. If they truly want to transition, they are in a far better position to change than if they experienced puberty as the “wrong” gender.

    By delaying the changes, it allows time for them to process what they want. It also lets them experience living as the other gender, in a reversible manner.




  • It does. The point is that 1/3 of the victims have nowhere to turn. Almost all the help is directed at women, with active hostility to male “victims”. This leaves abused men nowhere to turn.

    It’s also worth noting that many places have extremely gender biased rules/laws when it comes to domestic violence. The default is often to just arrest the male. This both creates a bias in the data, as well as allowing some women to weaponise domestic violence laws.

    Men are also far less likely to be believed, and so report less.

    It may well be men are more violent, once these are accounted for, but the bias is far less than the raw statistics make out.