• 6 Posts
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Joined 10 months ago
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Cake day: June 5th, 2025

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  • increased fuel consumption of spinning down and then spinning back up

    wastes a tremendous amount of fuel to spin down/up again

    I think a flywheel mechanical energy storage system could both serve as a way to store energy and as a way to manipulate the rotation while preserving rotational energy. To slow down the rotation, transfer the rotational energy to a flywheel, and then transfer it back when you need to go back to speed. That adds some mechanical complexity but it creates a more efficient way to control rotation. Plus with electric motors and solar panels, that should be possible to manage without using any propellant fuel.



  • Maybe other intelligent life forms don’t make the same assumptions that we do that lead to the statement that there are two “apples,” and maybe mathematics isn’t universal.

    That just shows that “Apple” isn’t necessarily universal, and doesn’t actually disprove the universality of the concept of “two.”

    There are a ton of different physical ways to represent the Fibonacci sequence, for example, and I would imagine the first contact looks for ways to find the mutually understood medium by both sides: raised symbols, pulses of radiation, pulses of vibrations, physical pebbles arranged in a line, physical pebbles manipulated over a timeline, etc.

    Once we establish a common medium, we’d explore mutual understanding of prime numbers, approximations of pi/e/phi, and things like that.











  • Back in the day you called a repairman.

    That guy’s time is worth probably $30/hour, so if you want to use up his 8 hour day you’d better be willing to pay $240, plus parts, plus the gas money of driving his truck to your home, plus the cost of keeping those parts on hand and the truck available.

    Or if it’s something he knows is only a half day job, then he can book something else so that he only really needs to charge you $120.

    Now that a lot of these appliances are like $500, it’s pretty hard to justify the cost of professional repair.

    50 years ago, when the price of an appliance was something like 50 hours of a repairman’s hourly wage, it made a lot of sense for most issues to be fixed by a professional. Now that these appliances are worth like 15-20 worker hours, it’s much harder to justify.









  • It’s a lot easier when you’re in a social circle where most people (regardless of gender or sexual orientation) are already like that.

    I’ve lived in rural places where the dominant industry skews blue collar and less educated, and it was a bit harder to find my people in that kind of community. But I still found a good friend group in that environment. Dating scene was pretty abysmal, though, and I spent most of my time single.

    I’ve also lived in places and contexts where it’s the opposite. There are university towns where most people in their late 20’s are grad students or faculty, lab towns with a disproportionate number of Ph.D wielding scientists, tech cities where software engineer seems to be the most common job, big cities where you’re running shoulders with people from all walks of life and employed in all sorts of industries, etc.

    I’ve lived in a lot of these types of places and if you’re in the right environment (and you’re social enough to where you can make new friends easily), getting plugged into the right social group makes it easier to meet and date people who fit what you’re looking for.