this post was submitted on 26 Aug 2023
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Showerthoughts

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A "Showerthought" is a simple term used to describe the thoughts that pop into your head while you're doing everyday things like taking a shower, driving, or just daydreaming. The most popular seem to be lighthearted, clever little truths, hidden in daily life.

Here are some examples to inspire your own showerthoughts: 1

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[–] alvvayson@lemmy.world 200 points 2 years ago (5 children)

A megagram is 1000 kg, by definition. It's symbol is Mg.

In metric countries, we just use the word "ton" as shorthand/slang for it, since it is an easier term and was well known.

The only reason the US calls it a metric ton, is because they have archaic units (long and short tons).

Metric countries don't call it a metric ton.

[–] ArbiterXero@lemmy.world 16 points 2 years ago

Canada does, because we’re mostly metric but still do enough business with the US that we’re sorta half and half

[–] cbarrick@lemmy.world 9 points 2 years ago (2 children)

Yeah, but what about the metric shit-ton?

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[–] someguy3@lemmy.ca 5 points 2 years ago* (last edited 2 years ago) (2 children)

We call it a metric tonne in Canada.

There's also short ton and long ton which have to be differentiated, but no one ever knows which one they are using.

[–] ME5SENGER_24@lemm.ee 17 points 2 years ago (1 children)
[–] theKalash@feddit.ch 6 points 2 years ago (1 children)

Damn, you guys might be worse than the British.

[–] yA3xAKQMbq@lemm.ee 6 points 2 years ago

That’s because you only metricated 40y ago.

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[–] aulin@lemmy.world 70 points 2 years ago

There's nothing wrong with doing so. Perfectly up to you, and everyone would know how much it is.

[–] deekhenbawls@lemmy.world 49 points 2 years ago (18 children)

I sometimes use millitonne (mt) instead of kilogram to keep people on their toes. I've learned that some people doesn't like to have their weight measured in any kind of tonne.

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[–] MystikIncarnate@lemmy.ca 30 points 2 years ago (2 children)

I noticed this with vehicles. Odo has 100,000 km on it? Nah, it's 100 megameters. It just sounds cooler

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[–] Eheran@lemmy.world 25 points 2 years ago (12 children)

Units closer related to everyday stuff are those that stick around. Like horse power or km. People don't use Mm but instead 1'000s of km, even into the million km for cars. Even in space they still tend to use km like for the distance to the moon or sun. Only once the distances get absurdly large is there a shift to either another unit (light years) or the use of different notation (like 3.14E12 m).

[–] aulin@lemmy.world 13 points 2 years ago* (last edited 2 years ago) (2 children)

As a Swede, using units that give numbers above ~100 starts to get unwieldy. Hence why we use mil (1 Scandinavian mile = 10 km) once we get to triple digits in km. "It's 60 mil to Stockholm" is immensely more natural than "it's 600 km to Stockholm".

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The astronomical unit AU is commonly used for things in the solar system. 1 AU is roughly the average distance to the sun, about 150 000 000 km

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[–] eldain@feddit.nl 21 points 2 years ago (1 children)

Earth's circumference is 40 Mm. 1 AU is 14 Gm. I could get used to this.

[–] PowerSeries@lemmy.ca 15 points 2 years ago (1 children)

The moon is 400Mm away. Never say thousand kilometers again, the mega is the way.

Imaging if we started saying millions of kilobytes instead of GB.

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[–] grte@lemmy.ca 21 points 2 years ago* (last edited 2 years ago) (3 children)

Megagram is the official SI term for the weight. Metric tonne is non-SI but happens to be equivalent to a megagram and became the more common parlance (where I am, at least) by historical accident.

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[–] lemmie689@lemmy.sdf.org 20 points 2 years ago

I like metric wrenches, if my 5mm doesnt fit I can try the 6mm. Most nuts and bolds are not metric, so I end up figuring what comes next if my 1/2" doesn't fit. is it like 33/64th? 34/64th? 17/32nd?

[–] YeetPics@mander.xyz 17 points 2 years ago (1 children)

One magnesium please. yes I'm sure, only one.

[–] Sir_Simon_Spamalot@lemmy.world 7 points 2 years ago (5 children)
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[–] FlyingSquid@lemmy.world 16 points 2 years ago (3 children)

What is this metric shit? I'm an American! I measure weight in American units like the hundredweight and the truss and the slug!

[–] FlightyPenguin@lemmy.world 6 points 2 years ago (1 children)

I don't know what a hundredweight is, but I'm just guessing based on American experience that it's a unit of volume equal to 132 quarts.

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[–] zoe@aussie.zone 6 points 2 years ago (2 children)

u guys mesure pressure with elephant stomps per giraffe square feet

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[–] over_clox@lemmy.world 13 points 2 years ago (1 children)
[–] Venicon@sopuli.xyz 6 points 2 years ago (2 children)

Seconded. Who do we need to update?

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[–] Kolanaki@yiffit.net 10 points 2 years ago (2 children)

But then what would a metric fuckton be?

[–] someguy3@lemmy.ca 16 points 2 years ago (1 children)
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2.2 shitloads.

[–] randy@lemmy.ca 9 points 2 years ago (1 children)

I'm an engineer, and I make it a point to teach young engineers that "a ton" can mean any one of three things:

  • Short ton = 2000 lb
  • Long ton = 2240 lb
  • Metric ton = 1000 kg = ~2204 lb

And which is being used is often not spelled out, but is just known from context, and usually should be clarified. I once nearly got in trouble by thinking a measurement was in short tons when it was actually metric tons.

So my own act of rebellion is to use "Mg" when I'm writing my personal notes.

[–] Treczoks@lemm.ee 9 points 2 years ago

There is metric ton and this imperial shit. And thanks to metric being highly systematic, "Mg" (megagrams) is actually correct - "ton" is just a shorthand.

[–] WestHej@lemmy.world 9 points 2 years ago (3 children)

After reading the comments, I've noticed a point that is missing from the other comments. We like to measure things relative to other things. Therefore we should use a unit of measure which you can compare the entire range of expected values for that question simply.

For example how far away is my nearest town centre? 1km. How far away is the nearest city? 10km. How far is it across the country? 500km, How far is it across the continent? 5,000km. How far is it around the equator? 40,000km.

By using all km in this case it's easy to get an idea of the relative distances. But you wouldn't measure your height as 0.0018km. Just my own thoughts!

[–] Lt_Cdr_Data@discuss.tchncs.de 9 points 2 years ago (1 children)

That's what unit prefixes are for... you can measure your height in cm

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[–] Scrollone@feddit.it 8 points 2 years ago

In Italian schools they teach it as Megagram, since ton is an old term which is non compliant with the SI

[–] fernfrost@lemmy.world 7 points 2 years ago

I prefer Gigamilligram

[–] tunetardis@lemmy.ca 7 points 2 years ago (10 children)

I've often wondered why the kilogram was not called the gram when the former is commonly cited as the official unit of mass? I guess it doesn't really matter much since it's easy to convert between units. That's sort of the point of metric, but still…

[–] Astrealix@lemmy.world 9 points 2 years ago* (last edited 2 years ago) (5 children)

Cuz the gram came before the SI system and the kilogram is a much more useable unit. The original m-g-s are based on physical things, like m being a subdivision of the length from the North Pole to the Equator going through Paris, and s being related to the time of a pendulum with certain length swinging or smth

A gram is the weight of 1 mL of water, roughly.

[–] tunetardis@lemmy.ca 6 points 2 years ago

I remember in some old astronomy textbooks they used units based on CGS (cm-g-s) as opposed to MKS (m-kg-s). It was pretty weird, as they had terms to go with that system like dynes instead of newtons for force. But at least it wasn't imperial.

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[–] TropicalDingdong@lemmy.world 7 points 2 years ago (3 children)

we do call them megagrams?

It's all either Megagrams / hectare or tons / acre in my work...

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