• maria [she/her]@lemmy.blahaj.zone
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    7 hours ago

    so did they assume a colon was I between those? like this 1:20 instead of 120?

    if not, the microwave probably either has a bad display, is is badly programmed… or im missing something.

    • jumjummy@lemmy.world
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      6 hours ago

      It’s just the way microwaves are programmed. Same reason 99 cooks longer than 100. It interprets a 100, 200, etc as minutes. I think most microwaves handle anything over 100 as minute + seconds, treating it like it had a : in there.

  • BenLeMan@lemmy.world
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    8 hours ago

    And despite all this, Remmy P. can still form babby.

    (And vote. And drive a car, keep and bear a firearm, etc.)

    Scary.

    • Voroxpete@sh.itjust.works
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      5 hours ago

      No, it’s not.

      Scary is the guy who can form babby, and drive and own a gun, who is also absolutely and completely convinced that they are right about everything.

      Remmy P is not the problem, because Remmy P encountered a situation where their poor information didn’t mesh with reality and immediately stopped and asked for help. Remmy P is learning. Remmy P recognizes their ignorance.

      There are people with PhDs who do not have this basic life skill.

      Those people scare me. Remmy P just needs a little help.

      Remember, everyone is a fucking idiot sometimes. Even (especially) smart people.

      • BenLeMan@lemmy.world
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        3 hours ago

        You know what, that’s a fair point. It does take some humility to be able to admit that one might be wrong. And it seems like that kind of humility is somewhat hard to come by these days.

    • Voroxpete@sh.itjust.works
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      5 hours ago

      More people to understand and internalize this idea.

      There’s nothing wrong with ignorance. It’s refusing to recognize and correct ignorance that’s the problem.

  • qjkxbmwvz@startrek.website
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    11 hours ago

    The thing that fascinates me is that every single digital microwave I’ve ever used behaves the same way, and allows the “seconds-place” to be 0-99.

    My best guesses are

    • There’s some ASIC that’s been around forever and everyone uses it (a cockroach chip like the 555)
    • The first digital microwave did this and all subsequent ones followed
    • There’s actually some implementation reasons why this is way more sensible.

    Writing it in software, there are different ways that folks would probably implement it, for example, “subtract one, calculate minutes and seconds, display” seems reasonable. But nope, every one I’ve ever used is just the Wild West in the seconds department.

    • ChaoticNeutralCzech@feddit.org
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      1 hour ago

      Tap into the button wiring in the control panel (if you’re qualified!). Maybe you’ll be able to type FF (hexadecimal) seconds, resulting in cooking time of 150+15=165 seconds!

      Now seriously, a big portion of BCD (binary-counting-decimal) equipment is actually binary-to-hexadecimal but the counter is expected to reset before reaching A. Sometimes it doesn’t:

      https://www.youtube.com/watch?v=MvZgfj0_hJU&t=86

      Another video, super compressed, by me, shot on a feature phone:

      You also see it go to 3 st 14 lb, which should not be possible because it’s suppoded to show 4 st 0 lb at that point. (I use kilograms, I was just wondering what the switch in the battery compartment does.) I originally thought the ASIC inside would be a kind of microcontroller stripped down to what’s needed: CPU (8- or even 4-bit, likely von Neumann) with a few registers (hard to call that RAM), (EE?)PROM for the program and calibration data (there’s a pair of pins labeled “CAL” for a jumper or serial interface; I won’t mess with them), 1:4 multiplexed LCD driver, digital input (not even GPIO) pins for the unit switch and calibration interface, differential amplifier and A/D converter, plus some support circuitry like an RC oscillator for the CPU clock, charge pump for the LCD, low battery voltage detector and sleep/wake circuit for power saving. This could enable the same ASIC to be used in personal and kitchen scales, maybe even pressure gauges, thermometers or more, just with a different program, LCD and external components. However, now that I see that there is likely no CPU because doing the math in software would make such errors impossible. So there’s most likely a hardwired logic system with hardware counters (just a little more complex than those cheap 3½-digit multimeters) with a flaky analog threshold system in the st:lb mode (the kg mode is a robust 1500-count decimal counter).

    • ChaoticNeutralCzech@feddit.org
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      7 hours ago

      So you’re saying they accept up to 99 in the seconds place when typed in but go from 2:00 to 1:59? (I don’t have a digital microwave at home)

  • toynbee@lemmy.world
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    11 hours ago

    Around eighteen years ago I linked a Yahoo! question to a then friend of mine. He said “I love Yahoo! Answers, trolls trolling trolls.”

    Not sure why this comes to mind at the moment …

    • VitoRobles@lemmy.today
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      3 hours ago

      My favorite story about yahoo Answers is that I was a huge troll. Like, telling people the wrong thing in recipes, and certain things was interchangeable. All lies. And I don’t know shit about food.

      And worse, id get lots of Helpful reviews.

      Then a decade later Yahoo Answers sent me a email saying that some of my answers were Abuse and would be banned.

      So for 10 whole years, my lies were up?

      Then the year after, yahoo answers was deactivated.

  • kadu@scribe.disroot.org
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    11 hours ago

    As a side note, I’m glad my early teen Yahoo Answers account was purged before I became an adult and the internet archived everything

  • MarcomachtKuchen@feddit.org
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    15 hours ago

    Honestly a great case for "I have no idea why we chosen 60 as a random ass base for time "

    Also im aware that base is not the proper term in this case since the base is still 10, but I have not idea how you would call the switch to the bigger unit treshhold

    • Impound4017@sh.itjust.works
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      14 hours ago

      I’ve always assumed it’s because of the usefulness in its divisibility, with 60 able to be subdivided evenly in halves, thirds, quarters, fifths, and sixths, and because 24 is just 12x2 and 60 is just 12x5, that remains the case (save for fifths) for all subdivisions of the day in its 60/60/24 configuration.

      My guess is that it’s simply an issue of working with something like a day, defined by cosmic forces rather than human sensibilities or control, where you don’t always get something that can be decimalized and still have useful units of time. I’ve done zero research on the actual reason, though, so that’s just a guess.

    • NaibofTabr@infosec.pub
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      14 hours ago

      Also im aware that base is not the proper term in this case since the base is still 10, but I have not idea how you would call the switch to the bigger unit treshhold

      Actually “base” is entirely the correct term in this case. The first group to write down a really systematic method for timekeeping were the Sumerians, and they used base-60 math. This worked really well with solar and lunar cycles, which were important for crop planting, and with astronomical studies (mapping the stars had major applications for both navigation and religion, so it was culturally significant). Empires that came after the Sumerians copied and expanded their system, so it eventually spread to everyone.

      • Agent641@lemmy.world
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        14 hours ago

        Fun fact you can count to 12 on one hand and 60 on two hands,bits how the Babylonians traded.

        • TheRealKuni@piefed.social
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          12 hours ago

          Is it possible to learn this power?

          Edit: I can count to 9 on one hand and 99 on two hands. This is superior when using two hands, but 12 on one hand?

          • Galapagon@sh.itjust.works
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            12 hours ago

            You can count to 31 on one hand and 1023 on two hands if you get really good at counting and adding with binary

            • TheRealKuni@piefed.social
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              12 hours ago

              That is true! But I’m bad at recognizing the numbers (except four 🖕) once I’ve counted them. The 1-99 method (fingers on one hand are ones and thumb is 5, fingers on the other hand are tens and thumb is 50) is much easier to interpret.

          • Agent641@lemmy.world
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            11 hours ago

            Each finger is divided into 3 parts, tip, middle and base. You use your thumb on the same hand to count the finger part by touching it. Index tip is 1, middle finger tip is 4, ring middle is 8, pinkie base is 12.

            So using just one hand, you could keep count of say, bags of wheat that you’re handing to your customers with the other hand.

            Now bring your other hand into play, and you curl one finger into your fist each time you reach 12 on the other hand. 4 fingers plus the thumb is 5, 5*12 is 60.

            In theory you could go higher using finger segments on both hands, but the Babylonians liked the number 60, it had a lot of factors. Divides without remainders by 2, 3, 4 5, 6, 10, 12. That’s where we get 12 hour clocks from. 6*60=360, we get degrees of a circle. I could go on. 60 is just a really great number.

            Eye of Horus fractions are another really cool way to represent mathematical concepts in a single compact glyph.

      • Ricaz@lemmy.dbzer0.com
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        9 hours ago

        There was also a great proposal to use kiloseconds.

        We already use 15 minutes (16.67 minutes = 1ksec) a lot in regular speech. My language has a word for it (kvarter) which is used all the time.

        There used to be cool website listing all the benefits but it’s been down for a few years :(

        • BandanaBug@piefed.social
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          9 hours ago

          I’m assuming your language’s word for it comes from “quarter” meaning a forth of the total. In this case the total being an hour.

    • jballs@sh.itjust.works
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      8 hours ago

      People like give shit to the US for not using the metric system (“you have 12 inches in a foot and 5,280 feet in a mile? how do you even remember that?”) but see no irony in using a random ass base for time (“it’s easy you just have 60 minutes in an hour and 24 hours in a day.”)

      • birdwing@lemmy.blahaj.zone
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        6 hours ago

        I actually developed a metric time for that reason, alongside with an International Fixed Calendar using the Holocene Era. It works on a libreoffice spreadsheet. The calendar itself isn’t metric, but it’s highly regular, and that makes it nice imo. The spreadsheet auto-updates the time once you edit the spreadsheet (put random character somewhere, remove). But I sadly don’t know how to put that on a working site or whatever, or as software…

        I picked the Holocene Era because it’s globally actually relevant, and it’s not tied to a controversial figure (2026 being tied to Christ).

        Basically, it’s right now, according to my calendar:

        Year: 11’726
        Month: 1
        Week: 2
        Day of year: 12

        Hour: 8
        Minute: 1


        How does the calendar work?

        There are 364 days in a year. There are 13 months of 28 days each, divided in weeks of 7 days. There are two additional days, New Year’s Eve and Leap Day. They don’t belong to any day of the week. (Religious groups that object, can just have an extra day of prayer, or use their own calendar). The extra month can be called Midsummer, or Solsticy. (Or just name the months “first, second month” and days likewise).

        The first day after New Year’s Eve is the first day that days lengthen again in the North. That day will always be a Monday, starting the year proper.

        How does the day work?

        There are 100’000 seconds (instead of 86,400).
        There are 10’000 tenths.
        There are 1’000 minutes.
        There are 100 quarters.
        There are 10 hours.
        And that is 1 day.

        Left is new unit, right their old equivalent:
        second: 0.864 old second
        tenth: 8.64 old seconds
        minute: 1.44 old minute (1 min, 26.4 sec)
        quarter: 14.4 old minutes (14 min, 24 sec)
        hour: 2.4 old hours (2 hr, 24 min)

        It works out relatively niftily, to be honest.

        • addie@feddit.uk
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          5 hours ago

          Yes to the days of the year - only sensible way to do it. Added bonus that the first day of each month is always a Monday, which makes it easy to calculate days-of-week in your head. Also, two days holiday at new year every leap year, yeah.

          Metric seconds is a bit trickier. Most units of measurement have ‘time’ in them in some way.

          The SI is obviously that way - length is defined as metres per second of light in vacuum, mass by fixing the Planck constant in kilogram metres squared per second. But Imperial units, besides the fact that they’re usually defined in law in terms of the SI, also have a lot of their derived units include time - mph and psi for instance.

          Unless you’re wanting to redefine basically every unit of measurement in your new system, then you need to stick with the second, which means you’re stuck with ~86400 seconds per day, because that’s how fast the world turns, and there’s no particularly better way to subdivide it.

          Although if your new calendar could also fix the damned mess that is time zones at the same time, I’d be willing to give it a shot.

    • Small_Quasar@lemmy.world
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      9 hours ago

      It comes from the ancient Summerians (through the not-quite-as-ancient Babylonians) directly from their use of base 60 (for some things - they used 10 and 12 for others). So I think you’re good.

      • I Cast Fist@programming.dev
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        9 hours ago

        The base 12 comes from the number of divisions from your fingers, minus the thumb: you can count to 12 on each hand :D

    • Denjin@feddit.uk
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      13 hours ago

      According to this article it comes from the first sundials used by the ancient Egyptians which divided the day up into 12 equal parts and then the night being divided up into 12 equal parts from the movement of 12 particular stars.

      The the Babylonians were the ones who divided those 24 hours up into 60s thanks to their numbering system being base 60.

      And then it just sort of stuck? The only large scale attempt to shift to a different numbering system for time and dates was in revolutionary France but it never really expanded beyond that and once the railways and telegraph required a standardised system of time internationally and things became fixed where we are now.

  • JackbyDev@programming.dev
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    15 hours ago

    Well, on a more serious note, it is odd that some microwaves let you type in 90 and time down from “90” instead of “1:30”. I should type in something like 190 and see what it does. My bet is it only does the weird seconds format when it’s 99 seconds or less. Because obviously 100 would be a minute, not 100 seconds.

    • 18107@aussie.zone
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      15 hours ago

      I tried 190. Its counts down 90 seconds to 1:00 before rolling over to 0:59.
      190 is 2 minutes and 30 seconds.

      I’ve also tried 0 and it just beeps.

    • Klear@quokk.au
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      14 hours ago

      I used to have an old digital 24h clock and one time I was watching close to midnight. It went from 23:58 to 23:59, then a minute later 24:00 blinked for a second before it went to 0:00.

      • JackbyDev@programming.dev
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        5 hours ago

        ISO-8601 has some cases where 24:00 is allowed in place of 0:00, or at least it used to. Maybe new editions removed it.

        • Klear@quokk.au
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          5 hours ago

          Sure, but not for one second before reconsidering. That was some weird jank in the way the clock was put together.

    • Tar_Alcaran@sh.itjust.works
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      15 hours ago

      Honestly it’s a nice feature.

      I have a thing that takes 45 seconds to warm. I take two of them, type in 90 and it just works!

      Of course that breaks down if I take four of them and type in 180, but meh. Worst case is that it’ll be a little cold.

      • JackbyDev@programming.dev
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        5 hours ago

        Well hold your horses, why does heating up two take exactly twice as long? Your microwave heats everything inside. I can understand it being longer, but exactly twice as long? Hmmm… I think we need more data.

        • Tar_Alcaran@sh.itjust.works
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          5 hours ago

          why does heating up two take exactly twice as long?

          A microwave works by exciting the water molecules in an object. They start to vibrate from the microwave energy hitting it, and vibrating molecules is what heat is. The microwave energy mostly bounces around inside the metal microwave until it hits something that has water (which is why you should never turn it on empty), so it doesn’t really get wasted.

          So, if you put twice as much stuff inside, it will take twice as much energy to heat it to the same temperature, so at the same setting it will take twice as much time.

          If you want to get nitpicky, it will require very slightly over twice as long, because by needing more time to warm up, it will give off more energy to the air around it, so you need to compensate. But the question of “how much will my food cool down in 90 seconds compared to 45 seconds” should be answered by “shut up dude” and not with a number.

    • grue@lemmy.world
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      11 hours ago

      I microwave in multiples of 11 (up to 99) because I figure hitting the same button twice is slightly faster than finding the 0 button.

    • 4am@lemmy.zip
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      12 hours ago

      My microwave waits to start counting down until it’s been energized