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cynar

@ cynar @lemmy.world

Posts
2
Comments
462
Joined
3 yr. ago

  • All of Humane's AI pins will stop working in 10 days

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  • IoT can be great. The key is, as you pointed out, to actually have personal control over it.

    It also has to account for WAF (wife acceptance factor). If it doesn't fail gracefully to a dumb version of itself, it's not to be trusted

  • Entropy? Never heard of it.

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  • You also need to sustain 5 atm, with no leaks for years. Where is it being stored, and who's paying for the maintenance? All it would take would be a bit of civil unrest, or corruption, and the work could be undone in mass.

  • Entropy? Never heard of it.

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  • It would, but it takes more energy that gets produced total. You're spending 300wKh to make 220kWh of electricity.

  • Entropy? Never heard of it.

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  • And how do you plan to keep it liquefied, on a large scale, for 100s of years? It's currently done using pressure vessels amd chillers, that require maintenance etc.

  • Entropy? Never heard of it.

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  • There are 3 use cases I've seen.

    • Making fossil fuel power stations "clean".
    • CO2 recovery for long term storage.
    • CO2 for industrial use.

    It's no good for the first, due to energy consumption. This is the main use I've seen it talked up for, as something that can be retrofitted to power plants.

    It's poor for the second, since the result is a gas (hard to store long term). We would want it as a solid or liquid product, which this doesn't do.

    The last has limited requirements. We only need so much CO2.

    The only large scale use case I can see for this is as part of a carbon capture system. Capture and then react to solidify the carbon. However, plants are already extremely good at this, and can do it directly from atmospheric air, using sunlight.

  • Entropy? Never heard of it.

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  • Just checked the numbers, for those interested.

    A gas power plant produces around. 200-300kWh per tonne of CO2.

    Capture costs 300-900kWh per tonne captured.

    So this is basically non viable using fossil fuel as the power. If you aren't, then storage of that power is likely a lot better.

    It's also worth noting that it is still CO2 gas. Long term containment of a gas is far harder than a liquid or solid.

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    Nobody hates working together with leftists more than other leftists

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  • There's an awkward open secret in the UK.

    The new forest has a significant 'wild' pony population. More than the forest can support over winter. The excess is gathered up and sold. While some are brought as riders, most are sold to france. On a completely unrelated note. France has no problem eating horse.

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  • A van can't deal with even remotely muddy grass. I lost count of how many vans I rescued, back when I had my pickup. They are also a lot less effective at dragging a horse trailer etc. Vans also (generally) don't have back seats. If you're also having to trek up and down the motorways, then the comfort of the ranger makes a big difference.

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  • They have there place, but they are in the same boat as vans etc. They are commercial vehicles, to do a job, not city runabouts to stroke egos.

  • If the vacuum of space couldn't kill you and you had no suit...

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  • The atmosphere stops a lot of the high energy stuff. It gets absorbed, and turned into a shower of lower energy particles.

    I remember reading once about an astronaut seeing blue flashes in their eyes. When they realised, they got behind the water tank sharpish. It was high energy particles passing through their eyeballs.

  • Complete wiring map of an adult fruit fly brain

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  • Provisio, I have not read up on this particular experience.

    Fruit flies, as used in labs are not like their wild cousins. They have been bred to be exceptionally consistent, since this makes X-Y experiments easier. If you take genetically identical eggs, and raise them in effectively identical conditions, you get almost the same wiring.

    There will still be areas of variability, but a lot will be conserved. This is likely an "average" wiring. Once you have even an approximate baseline, you can vary things and see how the wiring adapted.

  • What are some exceptions to the standards problem?

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  • They've now, at least, released a standard set of markings. Basically, the data speed in Gb and the power capacity in Watts will be printed on the connector. Whether chinese suppliers will bother complying is another matter.

  • What software is so user-centric, you can't believe it's proprietary?

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  • The key to steam is that they realised that being user centric, while bad for short term profits is very good for long term profits. They are also not publicly traded, so not just anyone can buy in and try and make a quick buck burning them to the ground.

    I've found their store and setup to be a reasonable balance of advertising to functionality. The fact that you can adjust it yourself is a good example of their mindset. Most people don't care or find them useful. Those who don't like them are unlikely to interact with them, so it's not worth fighting their efforts to turn them off.

  • Complete wiring map of an adult fruit fly brain

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  • The connectome is a map of individual neurones. The projectome is a map of how larger regions interconnect. Particularly the relative strength of the links.

    It's the difference between a detailed road map vs the relative road capacity between countries. It cuts out a lot of fine detail to see larger patterns. Both are useful, but in different ways.

  • If money was not an issue, is there a movie, series, or a video game you would fund as a passion project with no intention on making a profit on it?

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  • Discworld is one of those series that shows that a good book doesn't necessarily make good tv. You would definitely want writers who can stick to the spirit, while diverging where necessary.

    There's also the possibility of telling whole new stories in the Discworld. It has a LOT of milage as a backdrop for other stories.

  • Biden pardons Fauci and Milley in an effort to guard against potential 'revenge' by Trump

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  • He's likely trying to throw down as many speed bumps as possible. Individually, they won't do much. Each will act as a distraction, a slight delay. Against most people in his position, they would be useless. Trump isn't most people however. He will bite and get distracted by the chew toy. It's likely about all Biden can do to limit the damage a little.

  • Man-made wonders

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  • The pyramids were built by skilled labour. One of the options for paying taxes was to work on public works. It was also seen as a religious event, akin to modern missionaries.

  • SMBC [2013-09-08]

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  • Children are often a mirror to our true selves. My daughter is fascinated by the world, and loves learning. She's a sponge for new knowledge. The only limitation is building up the layers of knowledge, to understand what you are trying to teach.

  • Motorway changing lane protocol

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  • It depends on your vehicle.

    I personally drive a van, most of the time. Checking over my shoulder is a waste of time. What I do need is situational awareness. I'm aware of where my blind spots are, both absolute (e.g. directly behind my back bumper) and partial (e.g. the spot down my side).

    I try and keep an awareness of everything entering and leaving my blind spots. I also do 2 checks of all spots that could have problems when manoeuvring. It's alarming how often a small car or bike can slip through blind spots, when you're doing your checks.

    Basically, know your vehicle, and do what's appropriate to keep everyone safe.