this post was submitted on 25 Oct 2025
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Science Memes

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[–] one_step_behind@quokk.au 86 points 9 months ago (1 children)

Sure, if we ignore the fact that those engineers had all of their work checked by people we called calculators.

[–] Revan343@lemmy.ca 65 points 9 months ago

That sounds like women's work, of course we're going to ignore it

[–] Godort@lemmy.ca 60 points 9 months ago (1 children)

I'm just testing that the calculator works. It's part of the scientific process, sweaty

[–] derek@infosec.pub 5 points 9 months ago

An exquisite typo.

[–] jeansburger@piefed.world 40 points 9 months ago (4 children)

Okay look, some of the math I do on a daily basis is like 5 levels above basic addition (it looks like I've written a whole ass sentences of gibberish) but like what if they changed it? I'd rather be sure that 2+2 still equals 4 than be wrong and the thing I'm working on ends up making expensive sounds.

There's also just removing the cognitive load of having to process this information. You're allowed to look up the answer (that's what a calculator and the slide rule do).

Using the tools you have to speed up your work doesn't make you a worse engineer than those in the past. You're building off their work so you don't have to constantly literally reinvent the wheel.

[–] Aqarius@lemmy.world 22 points 9 months ago

Yup. If I'm not ballparking, all math goes through a calculator. It's already there, and I'm already using it. "Trust, but verify".

[–] arox@lemmy.frozeninferno.xyz 5 points 9 months ago (1 children)

I am guessing you are an engineer of some sort.

[–] FelixCress@lemmy.world 3 points 9 months ago* (last edited 9 months ago) (1 children)

Engineer of wide surfaces - also known as a cleaner.

[–] ChickenLadyLovesLife@lemmy.world 3 points 9 months ago

I'm a Cognitive Developmental Transportation Engineer ... aka school bus driver.

[–] Zerush@lemmy.ml 3 points 9 months ago (6 children)

You can't calculate 2+2 with a slide rule

[–] SpaceNoodle@lemmy.world 8 points 9 months ago

Maybe you can't

[–] johncritzman@lemmy.world 8 points 9 months ago* (last edited 9 months ago) (2 children)

Moves C index to 2 on the D scale

Moves indicating line to 2 on the C scale

Reads 4 on the D scale

Good thing 2+2 and 2*2 yield the same answer. Would have to bust out the addiator otherwise

[–] MeThisGuy@feddit.nl 3 points 9 months ago (1 children)
[–] Zerush@lemmy.ml 1 points 9 months ago* (last edited 9 months ago)

Yoy can use 2 normal rules to add/rest 2 numbers, but you can't do it in a slide rule with its logarithm scales. But luckily there are solutions out there

[–] Zerush@lemmy.ml 1 points 9 months ago (4 children)

Well, but fails with 3+3, there an US engineer must use still an addiator. Nowadays it's easier with an pocket calculator.

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[–] brown567@sh.itjust.works 4 points 9 months ago (1 children)

You could probably do log_10(10²×10²) instead?

[–] Zerush@lemmy.ml 1 points 9 months ago (1 children)
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[–] hansolo@lemmy.today 1 points 9 months ago (3 children)

The issue is that the floor on confidence in knowledge is now basically nothing.

Why is it that 8th graders in 1990 could do solid algebra and polynomials on paper and not need help? Nothing about the math has changed.

Slide rules do not do basic math, that's a poor comparison. People that did higher math on slide rules only used it for part of the problem dealing with logarithms, and that was a shorthand for larger approximation tables in books. That's necessary help. Solving for 2+2 is not. That's for little children that count on their fingers. If you're not in the "WTF?" camp, you're part of the problem.

[–] stray@pawb.social 4 points 9 months ago (1 children)

Difficulty performing mental arithmetic doesn't necessarily correlate with poor overall intelligence or inability to grasp higher math concepts. In a world where we all have calculators in our pockets, there is no reason to bar someone from studies or a career involving higher mathematics simply for being neurologically atypical, nor to shame them for whichever coping strategies allow them to perform.

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[–] FelixCress@lemmy.world 2 points 9 months ago* (last edited 9 months ago)

Slide rules do not do basic math, that's a poor comparison

He doesn't know that. None of the idiots advocating regressive imbecilism actually understand what they are talking about.

[–] derek@infosec.pub 2 points 9 months ago (1 children)

I'm not confident you're participating in good faith here but, on the off-chance you are; I'm not sure I take your point.

Can you substantiate your initial claim? "The floor on confidence in knowledge is now basically nothing" seems too broad a statement to meaningfully defend.

Even if we assume you're talking about US 8th graders you'll have to be more specific. The US has seen degraded academic performance across the board but the degree varies by State (and often again by County).

What's "necessary help" is up for debate as well. There's a hint of something I can agree with here though. I do agree that, for certain vocations, it's important for individuals to have firm graps on the fundamentals. Programmers ought to be able to code without IDEs and Mathematicians work problems without calculators. I don't agree that the common use of good tools by those professionals results in the brain-drain bogeyman you seem to be shadow boxing.

What am I meant to be alarmed about, exactly?

[–] hansolo@lemmy.today 3 points 9 months ago* (last edited 9 months ago)

No, I'm here in good faith.

Being alarmed, I suppose, would be the subjective assessment that this isn't too far off from all the cognitive decline correlated to excessive use of AI. It's an extrapolation, sure, but similar.

It's lovely to think that a phone will always be right on us all, for the rest of our lives. IRL, shit happens. Sometimes people just dug a calf out of a pond, their phone got soaked, and they still need to divide 250 lbs of fertilizer by 10 barrels and not be seized by indecision because there's not a cell phone around.

[–] Prunebutt@slrpnk.net 28 points 9 months ago (1 children)

As long as they don't ask ChatGPT.

[–] user224@lemmy.sdf.org 19 points 9 months ago (1 children)
[–] CatsPajamas@lemmy.dbzer0.com 7 points 9 months ago (1 children)
[–] user224@lemmy.sdf.org 4 points 9 months ago (1 children)
[–] CatsPajamas@lemmy.dbzer0.com 1 points 9 months ago

I don't believe you!

Here's what I got from Gemini:

Based on the foundational principles of mathematics, 2 + 1 = 3 because it represents combining a set of two items with a set of one item, resulting in a new set containing a total of three items. Here is a more detailed breakdown: Understanding the Numbers

  • 1 (One): This is the basic unit, representing a single object or item. Imagine one apple. 🍎
  • 2 (Two): This represents a collection of two basic units. Imagine two apples. 🍎🍎
  • 3 (Three): This represents a collection of three basic units. Imagine three apples. 🍎🍎🍎 Understanding the Operation (+)
    • (Addition): This symbol means "to add" or "to combine." It instructs us to take two or more quantities (or sets) and put them together to find their total. Putting It Together The equation 2 + 1 = 3 is a statement that follows these definitions:
  • Start with 2: You begin with a set containing two items.
    • (🍎🍎)
  • Add 1: You then combine that set with another set containing one item.
    • (🍎🍎) + (🍎)
  • Result is 3: When you count all the items in the combined group, you find there are three items in total.
    • (🍎🍎🍎) This concept is one of the most fundamental axioms in arithmetic, often demonstrated using a number line. If you start at the number 2 on the line and move one unit to the right (which is what "+ 1" means), you land directly on the number 3.
[–] brown567@sh.itjust.works 26 points 9 months ago

Am engineer, made my own slide rule for fun

Still check basic arithmetic because I'd rather overestimate my own incompetence than underestimate it

[–] Fedizen@lemmy.world 23 points 9 months ago

And a team of 20 black girls who solved all their math problems

[–] xploit@lemmy.world 22 points 9 months ago (1 children)

Plotwist; It's an AI calculator and the answer is 80085

[–] Soup@lemmy.world 11 points 9 months ago

“Is the answer 3?”

Ai taking a drag from a cigarette: “Sure thing kid, why not?”

“Wow, so smart.”

I genuinely do hate AI, this is joke about it constantly validating everything asked of it instead of actually being useful.

[–] SomeAmateur@sh.itjust.works 20 points 9 months ago (2 children)

They say we can stand on the shoulders of giants, but first we gotta climb a friggin giant

[–] IronBird@lemmy.world 3 points 9 months ago

just cut it's achilles tendon and it'll lower itself for you

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[–] FelixCress@lemmy.world 11 points 9 months ago (11 children)

... And now read idiots who advocate that it is OK to not understand analogue clock:

https://lemmy.world/post/37844741

[–] hansolo@lemmy.today 9 points 9 months ago (1 children)

I saw that. It's fucking breathtaking, the apologists for stupidity.

If I go start an account on a .ml instance and claim letters and numbers are colonial, patriarchal constructs and should be eliminated, I'll be the most popular poster until I accidentally make everyone illiterate out of spite.

[–] FelixCress@lemmy.world 3 points 9 months ago

Yeah, and the level of upvotes these idiots have is truly shocking.

Lemmy is no way better than Reddit and the Idiocracy is a documentary.

I feel like fucking vomiting just thinking about it.

[–] MeThisGuy@feddit.nl 2 points 9 months ago

guess the new "go touch grass" is going to be "go read a dial clock"

[–] henfredemars@infosec.pub 2 points 9 months ago (1 children)

Wasn’t that disproven by Snopes?

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[–] saturn57@lemmy.world 10 points 9 months ago

This is incorrect. The Apollo program led to massive development of computer technology because it would not be possible without it. They created the first real time computers and were the world's largest buyer of integrated circuits at the time. Computers were part of every single part of the mission and were critical to it's success. See One Giant Leap : The Impossible Mission That Flew Us to the Moon for further information.

[–] pigup@lemmy.world 5 points 9 months ago (1 children)

Engineer in 1969 : "nwords" Engineer today: "no that's my dad, I just graduated and started working here too. Yea my grandfather too." "I grew up pretty conservative"

[–] Siegfried@lemmy.world 4 points 9 months ago (1 children)

Till, only USA has engineers

[–] pigup@lemmy.world 3 points 9 months ago

Yes they drive trains

[–] explodicle@sh.itjust.works 5 points 9 months ago

If you're walking under something I've designed, would you prefer I save time?

[–] Unknown_0671@lemmy.blahaj.zone 5 points 9 months ago

me when i have no perspective

[–] denial@feddit.org 2 points 9 months ago

If they are taking an exam, they are not yet an engineer.

Also if you need to check simple math during your exam, you will fail super hard because you will run out of time with almost non of the work completed.

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