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Cake day: July 24th, 2023

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  • Having knowledge in power electronics i can confidently say the DC output of solar is easily and regularly inverted in phase with grid. In fact, DC is often used for undersea cables switching AC to dc then back to AC, All at extremely high voltage and varying demand(up yo 600kV/600MW but varying by installation).

    Wind turbines go online after the blades start spinning and connect to the grid in the same way as any other generator, controlled by internal electronics. Power is regulated through blade feathering and can be turned off as supply exceeds demand. This, other than for maintenance reasons, is why you might see one turbine spinning while the next is standing still. This capability actually means the grid is MORE stable with wind power.

    Any further fluctuation is managed in the same way as conventional power generation.





  • Yeah that’s fair. But the works and practice in mobilizing the workforce in the new deal played a big part in the US having industrial capability prior to WWII. Not mentioning other logistics, the power grid improvement alone may have made the difference in the war effort even being possible for the US. After the war private industry continued to benefit from cheap energy coming from those same projects. Hell if there’s a miuntain range in your state you’re almost certainly getting some of your power from a hydro plant made in the 30’s.










  • Actually the liquor is quite high quality, almost certainly better in general. My favorites are Irish and Scottish. But i don’t drink much liquor for safety reasons.

    Norway has excellent pilsners and ciders. Ireland has a good brewery in dingle (i think) can’t remember name, was in Gaelic. The Finns have mastered the seltzer.

    I think the micro brew culture in the US, PNW specifically, just beats the selection available in any one particular region i’ve visited in EU. I’m sure in aggregate EU has a larger selection. I mean, i haven’t been to Germany yet so…

    But for example, it’s common to find only 1-2 smaller breweries on tap where I’ve been in EU, but in US it’s common to have several micro brews in any restaurant. Larger breweries are often mid anywhere you go in the world.


  • untorquer@lemmy.worldtoMemes@lemmy.ml*Permanently Deleted*
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    26 days ago

    Per the kW vs kWh, see top level reply.

    Yeah a metric would be nice but it would need a standard test. That’s why idle time and video playback time makes a good amount of sense. But it’s not entirely clear how that would translate into usage for example in back country (where cell network drains power harder) or travel. So it’s not perfect. But it is probably the best measure guven hardware and usage vatiation. In any case it’s subject to marketing dudging the numbers in various ways.


  • untorquer@lemmy.worldtoMemes@lemmy.ml*Permanently Deleted*
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    26 days ago

    Yes power is a rate. As you said energy is the time integral of power. So it’s meaningless to state an “energy draw” without a duration implied or explicit. E.g. what does drawing 2kWh at idle even mean?

    I agree about end user sentiment. I was trying to suggest as well. The only way to know which battery/phone is going to have a better battery life is to identify reviews with similar usage to your own or cross-compare metrics across devices you’re familiar with. In general, phone A with a 4000mAh battery won’t necessarily outlast phone B with a 4500mAh batt.


  • They would also have to give current draw which isn’t really possible since each end user has different apps and behavior. So you more often get standby time or video playback time which are based on an “ideal” (probably non-bloated) clean OS. That’s more useful to an end user but also subject to marketing fudging the figures.

    You can often look up the battery chemistry or use an app to access sensors btw.

    At the end of the day battery capacity is only one factor of many in battery/charge life and is generally just marketing in the context of phones.


  • Not really a tourist but…

    Netherlands, Ireland, and denmark on par for restaurants and bar pricing. Good sourcing is ubiquitously higher quality. Norway expensive restaurants and bars. In general US has better small/micro-breweries.

    In EU, women don’t seem as wary of being alone in public or in the presence of masc presenting people. People seem to care less how others present themselves(they’re not offended by eccentric styles). I feel safer in general. America has a bunch of creeps who care that your shirt is pink or your hair is too long for a good Christian.

    Healthcare exists. That’s $3k-$10k+ you don’t have to worry about every year.

    Public transit exists. Like good public transit. The best systems in the US are garbage in comparison with the exception maybe of NYC. Though US public transit tends to be cheaper.

    Can’t speak for Mediterranean or eastern Europe.