812
Look at hiiim
(lemmy.world)
Reposting bc I dun goofed before
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this post was submitted on 15 Feb 2024
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I'm sure the artist intended to be smart and use metric time as something silly.
The problem is he used regular time.
60 * 60 * 24=86400=>86.4 kseconds where k stands for 1000. Like kilo for 1000 grams. Kilometer for 1000 meters etc.
The comic doesn't make sense...
I cannot see what's wrong saying a day consists of 86.4 ks. It's a fact and it's mathematically correct.
If we're redifining time, why do we have to keep the same unit size? Simply adjust the duration of a second to make exactly 100 ksecs per day.
It's ingrained and arbitrary. The only thing we've found so far for measuring time that doesn't appear to be arbitrary is Planck time, which is so small it has no use in daily life. So if you have to use an arbitrary unit anyway, why make a new arbitrary unit? And while the second, minute, hour, and to a lesser degree month are arbitrary, days and years are not, they are just based on the unique circumstances of when we started observing our world in a scientific manner.
Because whole point of metric is to use powers of ten.
The SI unit for time is the second. It just happens to be the same length as the imperial second. Minutes, hours, days, weeks, months, and years are not SI units.
12, 24, and 60 are highly composite numbers and easily divisible by more numbers than 10. Also, if you are doing that, go ahead and redefine degrees in a circle and all that jazz too. Go ahead.
There has been a "metric" measurement of angles for a long time. The radian. It's pi based instead of 10 based, but it makes way more sense than degrees.
No, it really doesn't
Yes, it really does. Degrees are arbitrary, radians are derived from the unit circle.
Arbitrary with extra steps
The unit circle is hardly arbitrary.
This is all arbitrary
If everything is arbitrary, nothing is arbitrary.
Do you even know what arbitrary means?
Surely its meaning is arbitrary.
In the days of doing math by hand, that might have mattered.
Let me introduce you to this little thing called a calculator.
Plank time is arbitrary too. Plank time is the time it takes light to move 1 Plank length. It's no different than any other time measurement other than it's the shortest measurable unit of time.
How is the shortest measurable amount of time it's possible to measure with the physics of our universe arbitrary?
It's arbitrary in the same way measuring the time between photon absorption/emission in a cesium atom is arbitrary or the rotation of our planet is arbitrary.
Picking the smallest is arbitrary just like picking a larger interval.
In the cesium clock case, you count 9192631770 because it's close to 1 second we already are familiar with and arbitrarily say 9192631770 transitions is defined as 1 second.
For example Planck time is defined as 5.391247(60)×10−44 seconds. But what is that second? It's the arbitrary 9192631770 cesium transitions we picked because it's close to the second that come from Earth's spin.
Planck time doesn't appear to be arbitrary, but a feature of our universe, hence the shortest measurable unit of time. It's length in seconds is arbitrary because seconds are arbitrary. And seconds are arbitrary because the only non-arbitrary unit of time we have found so far is too unwieldy to use for anything but scientific purposes, and it's very unwieldy for many of those.
How is a unit that varies in time less arbitrary than units that at least have a fixed length?
Because the day and year have meanings. They are "the time it gets for the earth to make a full rotation" and "the time to come full circle around the sun". They are of varying length, so we actually use time periods that are almost the real day and year, and call them day and year. These are fixed length.
The second is arbitrary, because we just arbitrarily decided to split up the day in 24 hours, hours into 60 minutes and minutes into 60 seconds. Why 24/60/60? Kinda arbitrary.
Now, does arbitrary mean it's bad? I don't see why. The meter is defined in a similar manner, but using multiples of 10 instead of 24/60/60.
I know the meter and second have been redefined to be based on scientific phenomena and be independent from the earth, but their length has the same arbitrary origin. And as such, they are arbitrary.
I don't see what being arbitrary has to do with being a good or bad unit of measurement.
It was created by the Babylonians, who had a base 12 numbering system. It's no more arbitrary than base 10, and in fact superior in some ways. 12 can be evenly divided by 2, 3, 4, or 6. 10 can only be evenly divided by 2 and 5.
I was referring to months which are arbitrary "to a lesser degree" but maybe I misunderstood the comment above mine
Seconds are defined as one gazillion times the Phase transition of some caesium atom, not the planck time.
Otherwise you are correct.
No matter how you alter seconds, minutes, and hours, days and years are fairly well set. There is no nice basket to put 365.25ish days as a year into.
No, it's correct, metric time is just using seconds for everything, you end up with minutes, hours, days,... as auxiliary units. And then there's decimal time, which tries to divide the day into 10 hours, the French tried to introduce that during the revolution.
Are you talking about SI unites? I mean, sure, there is overlap but the metric system is what people use in everyday life and SI is a scientific system where you don't even use prefixes (like kilo) but just powers of 10. In no case to people use kiloseconds
The SI system is a metric system and also defines the use of the words describing powers of ten. The use of kiloseconds also isn't wrong, it just means 1000 seconds, obviously. But it only makes sense in context (for example short lived isotopes).
The same way "Megameter" is formally correct but no one uses it because there is rarely a context where this was useful.
I bet there is are least one or two kilo people who use it unironically.
Jokes aside, there is a different between a metric system and the metric system, and also between not wrong and right but at this point I'm just nitpicking that people shouldn't be so nitpicky. Don't take me serious.
Yeah... That 10 hours thing made some heads spin....to the floor that's it.
That ... Is metric time. The si unit for time is seconds. So ...
There's loads of comments mentioning this site https://metric-time.com/
Thats brukt beyond kiloseconds and into something else entirely