• 0 Posts
  • 31 Comments
Joined 9 months ago
cake
Cake day: October 5th, 2023

help-circle

  • The problem is that this isn’t really even trickle charging. Customers would absolutely complain and say it’s not working because it couldn’t charge the battery more than 1-2% in an entire day of sun. EV batteries are 60kWh+ yet getting more than 2kWh/sq meter daily from residential panels is hard for much of the US. Add to that the:

    • weight of panels
    • cost of panels
    • heat trapped in the car from having a roof literally designed to absorb solar radiation
    • fragility of panels (although all these glass roof EVs have that problem already) And it’s really not worthwhile.

    One solution to the apartment street parking problem is adding charging ports to streetlights (they do this in Europe). But for most of US apartments there’s already dedicated parking space so also space for chargers. The unruly size of new vehicles is a much bigger problem in my mind, if there were actual motivation to fix this problem in government it would already be solved through some tax credits.


  • Firefox mobile isn’t there yet. Passwords will conveniently autofill from your Google account thanks to the Android level implementation of password management, but more importantly it’s resource heavy and bad UI design. Ublock support is nice but some websites just don’t deal with it well. The nightly builds do fix my main problems with the UI but they crash all the time. So there’s hope for the future, but for now it’s not great unless you absolutely need proper browser level ad blocking rather than Blokada.



  • It’s still not a lot of energy though. Some rough napkin math for how far this would get you is below:

    Typical medium size cargo ships in the Panama Canal travel around 25 knots burning 63000 gallons per day of fuel with 5000TEU of cargo. That’s roughly 600mi/63000gal or 1142miles per ton gallon. That Silverado EV somehow weighs 4 tons (totally safe to be driving at highway speeds), so this is the equivalent of roughly 285.5mpg per Silverado. The Silverado is 67mpge on its own, so the ship is just over 4x as efficient (and slower which is ignored here but would impact the vehicle efficiency).

    So using the Silverado’s 450 mile optimal range we can say it has at most an optimistic 7 gallons equivalent fuel in its 200kWh battery. 50 MWH would be enough for a theoretical 1750 gallons equivalent if efficiency were the same. But for the efficiency difference this corresponds to a 4.2x improvement to 7350 gallons equivalent. Therefore this is enough to run that typical ship above for 2.8 hours. So with 65000 tons of cargo in the above ship to do a 200 mile route this ship would need roughly 3x as large a battery. More likely it will just carry ~1/3 the cargo or have charging stops en-route.

    The 19.4km/h top speed of this ship suggests they’re well aware of the extremely limited range this will have for its size and it sounds like the Shanghai to Nanjing route will be pushing it’s limits despite being less than 200 miles.



  • Posy has many videos along the lines of technology connections with incredible macro footage as well as lots of other random interesting stuff.

    mitxela for well documented high quality projects blending mechanical and electrical engineering.

    The Tim Traveller is basically Tom Scott if only covering strange historical things. And unlike Tom Scott he’s still making videos.

    Cathode Ray Dude does a mix of long form content like technology connections, but focusing on relatively modern computers.




  • Every other year or so, but only because there somehow keep being better deals. Over the last 8 years mint mobile has been consistently good pricing even for returning customers provided you’re willing to pay for the whole year up front. That’s my baseline. From there other small carriers come along offering unlimited for less and you join for a year or two until they go bust. Right now I’m on Spectrum mobile since it’s free with even the cheapest home internet available to my address (for 12 months).


    1. Quality electric toothbrush. I can’t get my teeth feeling clean without one anymore.

    2. A rice cooker. Doesn’t need to be fancy, but it lowers the barrier to cooking substantially given how many dishes use rice.

    3, A phone with a camera that’s at least mid-range, as it’s the camera you’ll have on you most. I used to always use phones from cheap brands like Umidigi and although some of them did perform quite well others left me with gaps of my life where none of the photos I took have any detail.



  • To be fair to Netflix before other networks took streaming seriously they were charging very little to license their content on Netflix. That’s why it had everything and was so good to be better than piracy. The royalties from Netflix couldn’t be enough to fund these networks. Even Netflix themselves as the studio has struggled substantially promoting these price hikes and the effective recreation of cable TV.

    As they lose more of the licensed content they’re forced to focus on their own. Unfortunately for the just part they can’t compete with constant new mediocre shows and movies. The streaming industry as a whole has lost sight of what made it popular in the first place.


  • Anything over $100k is plenty to live, travel, and invest with if you don’t plan on having kids. There’s a point where it’s time and experiences that are more valuable than the money, so I’d prefer fewer working hours or more engaging work than simply just salary increases. I’m certainly happy to receive bonuses and raises, but as an engineer who has never made under $100k/yr the money doesn’t change anything about the way I live and enjoy life (note that I don’t have expensive tastes and carefully watch for lifestyle creep).


  • AA is the last United States based airline to even have one. This move is an industry-wide trend now that lie-flat business class seats are standard. Business class has gotten much nicer in the past 10 years and taken away the customers that previously would have flown in first.

    I’d rather fly Qatar qsuites or many other si-enclosed business class seats than the first class ones remaining on European airlines like British Airways, Lufthansa, of air France. And doing so is a fraction of the price.


  • The Galaxy A5x series is excellent value. It’s not the absolute cheapest but for ~$300 there’s nothing it does wrong. I’ve used a Galaxy A52 (older 4g version) for the last 2 years without any issues. Before that I stuck to Umidigi phones in the ~$120-$150 range which were all great except for the cameras.

    Over Christmas I won a Pixel 8 Pro giveaway but except for in the lowest lighting conditions the difference is insignificant to my eye. I actually really miss some of the Samsung software features (namely secure folder and free-form windows).

    Having a cheaper phone is also freeing to treat them less gently. I often found myself taking photos I might not otherwise due to the fact all my prior phones were so cheap. I’m not about to hold my Pixel 8 Pro out over a cliff, but for the Umidigi phones and Galaxy A52 that was no problem when traveling.


  • Ya I used to always tip cash but stopped all food delivery entirely ~5yr ago. By turning food delivery into a live auction everybody loses except the company running the service. Drivers compete against eachother accepting the absolute lowest fees while customers need to play the game of choosing an appropriate tip for a prompt delivery while also ideally not shorting the employee who ultimately accepts the order. But since to accept the order they need to compete with other drivers it’s naturally going to lead to them accepting lower prices, allowing the delivery company to pocket the difference. Not a good system.



  • External batteries are not the same as there is substantial loss in transmitting the power to the phone, particularly with the many “magsafe” compatible wireless ones. The wired ones add substantially more bulk for similar battery size and although the standard for battery life is much better now, for many otherwise great phones it’s still not amazing (aka every pixel prior to this year’s).

    Being able to quickly swap a battery or simply replace it with a 10000mAh cell for only a few mm more thickness (my preferred method) simply isn’t an option now.