• 24 Posts
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Joined 3 years ago
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Cake day: July 9th, 2023

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  • there’s been little progress toward creating the unfathomably long carbon fiber tether

    When space elevators were first discussed, there were no materials that could possibly be used. Now we have carbon nanotubes that may be strong enough. That’s huge progress.

    But yeah, the political issues will prevail. If we can’t even agree enough to build California high speed rail, think of the impossibility of a major infrastructure project several orders of magnitude bigger and more complex, several orders of magnitude more costly, and where a failure is essentially a weapon of mass destruction affecting hundreds of millions of people.






  • I’m more concerned about people wanting to use that to raise the retirement age.

    1. They don’t understand averages. Reducing childhood deaths significantly raises average life expectancy by increasing the number of people who reach retirement ages, not by making them more able to work
    2. Nothing forces people to retire at a specific age. I’m more concerned about being able to work long enough to afford retiring. “Retirement age” is 67 and I don’t expect to be able to work that long
    3. Ageism is a thing. As I’m approaching 60, I understand I may never be able to get hired again in my field. This may be my last job, whether I want that or not, and regardless of what retirement age is
    4. There is no such thing as retirement age in the us. There is only the age range at which social security will start paying out. That has nothing to do with how old you need to keep working, how old you can keep working, or how old you’re allowed to keep working


  • On the surface, this could be entirely legit, not worth the outrage.

    I can easily believe

    • regulations are not ready for self-driving vehicles
    • a manufacturer decided some required equipment is not suited for a car meant to be self-driving only
    • the manufacturer self-certified, with exemptions where there is no regulatory framework yet.
    • government agency sees that and starts an investigation to see if they agree

    Even before you get into what you think of this specific manufacturer and whether they’re really ready for self-driving, this is a “normal” process

    I’m more worried about regulations defining what self driving needs to be capable of and tests to qualify it

    Whether a cyberCab is capable of safely self-driving is a different question from whether a self-driving vehicle is required to have a steering wheel





  • Dust devil maybe? I’ve seen those several times, never strong enough to damage anything.

    I don’t know if this counts but I found a courtyard between buildings on Manhattan where there was always a swirl of wind at a specific spot from prevailing winds being funneled between buildings. A bunch of time I went back there I’d see a swirl of leaves and trash like a mini-tornado, always in the same spot








  • It’s not just that, but yeah, some changes aren’t incentivized by quarterly profits. The Chinese government did help with planning and incentives to help manufacturers transition to new technology and to build out the supply chains they would need.

    Now they’ve made the transition to new technology, established supply chains, scaled up, and have strong competition to keep progressing rapidly.

    US government tried at various points, only to have progress thrown away by the next administration. So now we have protectionism. Consumers pay more while legacy manufacturers milk obsolete technology for a few more quarters of profit……. While losing any hope of competing globally