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Cake day: April 3rd, 2024

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  • Meshtastic gives you three hops by default (and strongly advises against going beyond that, even if the maximum is seven). The furthest node I see right now is about 200 km away.

    MeshCore gives you 64 hops. They can afford that because MeshCore devices send way less telemetry by default; Meshtastic assumes that you want to broadcast e.g. your GPS position regularly. The furthest node I see right now is about 50 km away.

    By the way, while LoRaWAN is a thing, neither Meshtastic not MeshCore are really designed for data traffic. Owing to the low (and shared) bandwidth, they’re more like IRC over radio.



  • There seems to be more traffic on MeshCore than on Meshtastic, probably due to its greater range. Also, the core library seems to be MIT-licensed.

    Besides, given the goals of Meshtastic/MeshCore (low power long range text communication without a radio license), LoRa is a sensible choice: It operates in appropriate radio bands, is power-efficient, and hardware is readily available at reasonable prices.

    Sure, something like DASH7 would be more open but it’s also much harder to find hardware for. The most ideologically pure stack in the world won’t do anything if there’s not enough users to actually form a mesh.

    WiFi is useless when you’re trying to send messages over long distances without any infrastructure beyond “I tied a few battery-powered transceivers to trees along the way”. It has completely low range and high power draw.

    Packet radio gets you a lot of range but may require a license for legal operation. It also has high power requirements; you’re not going to run your radio setup off a 1000 mAh battery for a week.


  • It typically doesn’t. Most countries don’t care about where your ancestors came from. Being fluent in the local language and culture will generally give you a leg up if you already qualify for immigration so I hope your family kept those alive (and not Americanized versions like Irish-Americans wearing green on St. Patrick’s Day). But your ancestry is usually completely irrelevant.

    Those genetic test results absolutely don’t mean anything. If you’re culturally American with an American passport, you’re American and that’s it.



  • To put in context how much they are driving up demand: OpenAI just bought 40% of the global wafer production from two of the three major RAM manufacturers, Samsung and SK Hynix. SK Hynix Micron (best known for their Crucial brand) decided to drop out of the consumer market entirely.

    Of course the other AI companies are going to try to nail down supply as well. If they get similar deals, 10 € per GB of DDR5 will look cheap.

    This will increase the cost of computers, phones, and laptops, both directly and indirectly (e.g. GPUs will also become more expensive; VRAM doesn’t grow on trees). We’re already at a point where Samsung Semiconductors reportedly refused to sell RAM to Samsung Electronics. I fear we might enter into an age of 2000 € basic office PCs and 1000 € mid-tier phones if the AI bubble won’t pop first. Even when it does, the repercussions will be felt for some time.




  • And don’t feel bad for getting an e-bike. Riding that is still a good workout if you get into the habit of going fast. E-bikes usually have a hard speed cutoff (25 km/h by law where I live); if you want to go faster it’s all you and the motor is just there to give you better acceleration and take the pain out of things like hills or opposing wind.

    If you don’t want to go fast, the bike still expects you to put in a certain amount of work. Low-intensity training is still training. Most crucially, getting that bit of assistance might get you to use the bike when you otherwise wouldn’t, turning no exercise into some exercise.

    People underestimate the benefits of light exercise. Even brisk walks or relatively leisurely motor-assisted bike rides can absolutely be beneficial if done regularly.