this post was submitted on 04 Sep 2023
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Memes

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[–] [email protected] 68 points 1 year ago (2 children)

I love this meme template lmao

[–] [email protected] 42 points 1 year ago (2 children)

It has a dark past. But yeah it. Makes for a good meme.

[–] [email protected] 15 points 1 year ago (2 children)
[–] [email protected] 47 points 1 year ago (1 children)

The author is an alt-right weirdo, and the original comic is about "liberal" parents attacking her daughter for having a Bible.

[–] [email protected] 19 points 1 year ago

For me it's part of the joke to make fun of this stupid guy.

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[–] [email protected] 3 points 1 year ago (1 children)

what's the past? link maybe if u can idk

[–] [email protected] 35 points 1 year ago (1 children)

The author is right-wing but makes fun of themselves without realizing it

[–] [email protected] 25 points 1 year ago (1 children)

Okay this is actually funny

[–] [email protected] 29 points 1 year ago

Yeah, a lot of their stuff is genuinely funny as satire, but the author truly has zero irony or satirical intent about any of it. They truly intend for these to be read and understood at face value. The shit they believe is real fucked.

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[–] [email protected] 53 points 1 year ago (1 children)
[–] [email protected] 32 points 1 year ago* (last edited 1 year ago) (1 children)

Ok, but how did the perimeter go from 4 to 24??

r/unexpectedfactorial

[–] [email protected] 40 points 1 year ago (2 children)

Just wait until you find out astronomy uses pi=10.

[–] [email protected] 29 points 1 year ago (2 children)
[–] [email protected] 31 points 1 year ago (2 children)

Because when you’re dealing with measurements that are in the billions or trillions, you start working with orders of magnitude instead of specific numbers. A difference of a million miles is insignificant when the galaxy you’re measuring is 500 trillion miles away.

[–] [email protected] 43 points 1 year ago* (last edited 1 year ago) (2 children)

I think you've heard that trivia wrong. NASA uses 15 decimals of pi. The curiosity is that they don't need to use more decimals even if many more are known.

I can't think of any good reason to use 10 instead. The consequence would be if the galaxy is 157 trillion miles or 500 trillion miles away. That's alot of space to disregard for no good reason.

[–] [email protected] 12 points 1 year ago (1 children)

Really depends on the situation. If you have to land an aircraft on the moon, you better get the value of π right.

However when estimating the distance to another galaxy, you're not gonna fly there so you just want to know the order of magnitude: is it 10^9 or 10^15 miles away?

[–] [email protected] 19 points 1 year ago (2 children)

It may be a joke from xkcd, but I am not sure anyone in their right mind would bother using 10 instead of 3 or whatever.

https://xkcd.com/2205/

[–] [email protected] 10 points 1 year ago (1 children)
[–] [email protected] 6 points 1 year ago

Holy shit a site that explains xkcd jokes. You just made my whole week.

Let's not pretend none of us have ever not understood an xkcd comic.

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[–] [email protected] 6 points 1 year ago

I’m referring to Fermi estimations. Yes, NASA uses 15 decimal points for pi, but astronomers aren’t always making super precise calculations. As I mentioned in my previous comment, it’s used for estimating orders of magnitude. It’s helpful when precise calculations are complex, because any error along the way could be obscured or glossed over. A decent fermi estimation will help you identify when your precise calculation is wrong. This estimation can often be done quickly with very little actual data, because you’re only looking at orders of magnitude and rough numbers.

Let’s say you’re trying to calculate something complex. Your Fermi estimate takes like two minutes, and says that the answer is probably in the ballpark of ten million. Your precise answer takes an hour, and comes out to be nearly a billion instead. You can look at your fermi estimate for a minute or two to see if you missed a zero or two somewhere. And if you didn’t, then you need to scrutinize your complex calculation because you know you made an error somewhere.

[–] [email protected] 12 points 1 year ago

Then why not use 1? It's closer to pi than 10 and even easier to calculate with.

[–] [email protected] 18 points 1 year ago

In the presence of a supermassive black hole, pi gets bend.

[–] [email protected] 5 points 1 year ago (2 children)

Amateurs, in MY field I use pi=100

[–] [email protected] 6 points 1 year ago

In MY field, I use pie = tasty

[–] [email protected] 4 points 1 year ago (1 children)

calculations become a lot easier when you use pi=0

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[–] [email protected] 35 points 1 year ago
[–] [email protected] 16 points 1 year ago (1 children)
[–] [email protected] 6 points 1 year ago

a horse is also a cube and a pyramid

[–] [email protected] 16 points 1 year ago

I love how filth is in bold.

[–] [email protected] 12 points 1 year ago (1 children)

As an O notation enjoyer, I don't get why people are so obsessed with constant factors. Is it exponential? Bad. Is it polynomial? Good. That's it basically.

[–] [email protected] 7 points 1 year ago

As a theorem prove enjoyer, I don't get why people are so obsessed with variables in their exponents. Is it undecidable? Bad. Is it decidable? Good. That's it fundamentally.

[–] [email protected] 10 points 1 year ago

Gravitational Constant? Yeah, take 10... or 5... what gives?

[–] [email protected] 8 points 1 year ago (1 children)

There should be a version of this where the dad just wants to show his daughter a book he bought.

[–] [email protected] 6 points 1 year ago

There have been so many times I've been asked to consider π² as 10

[–] [email protected] 6 points 1 year ago (1 children)

Infinitley better than the original

[–] [email protected] 9 points 1 year ago (1 children)

you're not putting the bar very high

[–] [email protected] 5 points 1 year ago

I think I threw it in the ocean

[–] [email protected] 4 points 1 year ago* (last edited 1 year ago)

What's funny is that physicists approximate and round way more than engineers do.

[–] [email protected] 4 points 1 year ago

g = 10 m/s^2

[–] [email protected] 4 points 1 year ago (1 children)
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[–] [email protected] 3 points 1 year ago

You round 2.14 down smh

[–] [email protected] 3 points 1 year ago
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