A Brilliant Construction Of The Reals With Set Builder Notation
Math
8 hours ago 3.0K views 0 shares
A Brilliant Construction Of The Reals With Set Builder Notation
This is the mathematical equivalent of saying "the floor here is made of floor." The equation literally states that the real numbers (ℝ) are defined as the set of all x such that x is a real number. It's beautifully, hilariously circular! Set builder notation is supposed to construct or define sets using properties, but this definition just... assumes you already know what real numbers are. It's like defining a cat as "an animal that is a cat" – technically true, but spectacularly unhelpful. Mathematicians actually construct the reals through rigorous methods like Dedekind cuts or Cauchy sequences, so this lazy circular definition gets the sarcastic "thank you Mr. Helpful" treatment it deserves. Perfect example of when formalism meets maximum laziness.

Was I Wrong Or Does That Subreddit Have Zero Tolerance For Humour?
Math Academia
11 hours ago 6.6K views 0 shares
Was I Wrong Or Does That Subreddit Have Zero Tolerance For Humour?
Someone innocently asked r/mathematics how to find the length of a curve, and this absolute legend responded with the most unnecessarily overcomplicated word salad possible: "Just calculate the supremum of the distance induced by the Riemannian structure induced from the embedding in the Euclidean plane on the graph over the open interval." Translation for mortals: "Use calculus to add up tiny segments along the curve." But why say that when you can sound like you're defending a PhD thesis at 2 AM while simultaneously having a stroke? The real answer is arc length integration, which for this x² curve would be ∫√(1 + (2x)²)dx from 0 to 3. Simple, elegant, teachable. But nope—someone decided to flex their entire differential geometry vocabulary instead. The mathematical equivalent of using a flamethrower to light a birthday candle. And judging by the title, r/mathematics did NOT appreciate the comedy. Mathematicians: proving once again they can solve complex integrals but can't detect sarcasm to save their lives.

My Tier List Of Chemical Suppliers I Use As A 2 Nd Year Organic Grad-Student.
Engineering Science Chemistry
14 hours ago 10.7K views 0 shares
My Tier List Of Chemical Suppliers I Use As A 2 Nd Year Organic Grad-Student.
Content S A B C AmBeed ACROS ORGANICS STREM BEANTOWN CHEMICAL aladdin @fisherio SCIENTIFIC Oakwood Chemical Enabling Discovery (8DE) CHEMICALS Chem Scene

32
Tech Math
17 hours ago 14.6K views 0 shares
32!
Binary search: the algorithm that makes you feel like a coding god by reducing 4 billion steps down to a mere 32. That's going from "heat death of the universe" territory to "I can grab a coffee while this runs" levels of efficiency. The exclamation mark here is doing double duty—expressing both excitement and also technically representing factorial notation, which would make 32! equal to approximately 2.6×10^35, ironically bringing us right back to astronomical numbers. Computer science textbooks love this dramatic reveal because nothing sells algorithmic efficiency quite like watching O(n) get absolutely demolished by O(log n). It's like showing up to a knife fight with a logarithm.

Which Side Are You On?
Math Scientists Academia
20 hours ago 21.0K views 0 shares
Which Side Are You On?
This is basically the Crips vs Bloods of mathematics. On the red side, we've got Leibniz with his dy/dx notation for derivatives—smooth, elegant, and looks like actual fractions (even though they're not, but shhhh). On the blue side, there's Newton rocking the dot notation for derivatives, keeping it simple and clean. The funny thing? These two literally invented calculus independently around the same time and got into one of history's pettiest academic beefs about who did it first. Their rivalry was so intense it split European mathematics for generations. Leibniz's notation won the popularity contest though—most of us learn dy/dx in school because it's way more intuitive for showing what's actually happening. Newton's dot notation still shows up in physics for time derivatives, so both gangs are still repping to this day. Choose your fighter wisely—your calculus professor is judging you.

Just Overrated
Biology Evolution
23 hours ago 26.6K views 0 shares
Just Overrated
Sorry octopuses, but literally every other animal just showed up to the group project. You've got lions with their social structures, wolves with pack coordination, primates with tool use, corvids solving puzzles, ants building megacities, whales with complex communication, and even mice running their tiny rodent empires. Meanwhile, octopuses are out here being antisocial geniuses who live for like 2 years max and refuse to pass down knowledge to the next generation because they die right after reproducing. Like, you're literally one of the smartest invertebrates on the planet with problem-solving skills that would make some vertebrates jealous, but you chose the hermit lifestyle and a ridiculously short lifespan. Imagine if octopuses lived as long as parrots and were social – we'd probably be competing with them for ocean real estate by now!

Title Is In The Jail
Engineering Tech
1 day ago 30.1K views 0 shares
Title Is In The Jail
Software developer makes a mistake: "Oops, 404 error. No biggie, just refresh the page!" Embedded engineer makes a mistake: *literal car crash with airbags deploying*. Then there's the inevitable "You're Fired" followed by a court appearance. The stakes couldn't be more different. When your code controls actual hardware—like brakes, airbags, or medical devices—a single bug doesn't just break a website, it can break bones. Software devs get to push hotfixes at 3 AM in their pajamas, but embedded engineers? Their mistakes might end up as case studies in engineering ethics courses. Fun fact: The average cost of a software bug is around $7,600, but a single embedded systems failure in automotive can cost millions in recalls. No pressure though! 🚗💥

Probably Should Split That
Chemistry Physics
1 day ago 34.3K views 0 shares
Probably Should Split That
Helium strutting around claiming noble gas status while having a perfectly splittable nucleus is peak irony. Sure, you're chemically inert and won't react with anything, but your atomic nucleus is basically screaming "fusion fuel!" to every physicist within earshot. The French Revolution reference is *chef's kiss* because nothing says "off with their heads" quite like nuclear fission. Helium's out here thinking its electron configuration makes it untouchable, completely oblivious to the fact that it's literally the byproduct of nuclear fusion in stars AND a key player in hydrogen bombs. Noble by day, apocalyptic energy source by night. The guillotine waiting for that smug little atom is basically every nuclear physicist ever. "Noble? Buddy, I can split way bigger atoms than you. You're light work."

Wtf Is Wrong With Hannah?
Math
1 day ago 38.5K views 0 shares
Wtf Is Wrong With Hannah?
When someone asks what happens in your head when you do 27 + 48, there are exactly two types of people: Laura, who calmly breaks it down as 27+8=35, then 35+40=75, and Hannah, who apparently took the scenic route through mathematical chaos. Hannah's brain said "let's make this INTERESTING" and proceeded to do 7+7=14+1=15... wait, where did that 1 come from? Then somehow 5 appears out of nowhere, followed by 2+4=6+1=7, and miraculously lands on 75. It's like watching someone navigate with a broken GPS but still arriving at the correct destination. The mathematical equivalent of "task failed successfully." The best part? Both methods get you to 75, but Hannah's brain apparently needed to take every possible detour, pick up some random numbers along the way, and create what can only be described as arithmetic parkour. This is what happens when your mental math decides to speedrun through every possible combination of digits like it's trying to crack a safe.

Had A Bit Too Much Milk Coffee Sq.
Physics Science
1 day ago 42.8K views 0 shares
Had A Bit Too Much Milk Coffee Sq.
Someone's standing paralyzed between two bathroom doors labeled with physics equations: E=mc² on the left and F=G(m₁m₂/r²) on the right. The caption "He ain't move since😭" captures that exact moment when your brain short-circuits trying to solve an unnecessarily complex problem. Using Einstein's mass-energy equivalence and Newton's law of universal gravitation as bathroom gender markers is simultaneously the most pretentious and hilarious thing you could do. Like, buddy just needs to pee, not calculate gravitational force between celestial bodies. The poor guy's probably running through dimensional analysis while his bladder's running out of patience. Pro tip: Neither equation actually helps you pick the right door. Unless you're planning to convert your mass into pure energy or calculate the gravitational attraction between you and the toilet, you're gonna need more context than fundamental physics constants.

Where Y
Math
1 day ago 47.9K views 0 shares
Where Y
You've got three X notifications staring you down, and naturally your brain goes: "But where's the Y-axis?" Classic mathematician move right there. Each notification shows an X, and below them are different graph shapes that look suspiciously like they're missing their vertical buddy. It's like your coordinate system is having an identity crisis—one axis showed up to the party but forgot to bring its perpendicular friend. The pun works on two levels: you're literally asking where the Y-axis is on these graphs, AND you're questioning why you have so many X notifications. Mathematics meets social media anxiety in the most geometrically confusing way possible.

Just Got My Schedule, How Cooked Am I
Academia Engineering
1 day ago 53.5K views 0 shares
Just Got My Schedule, How Cooked Am I
You're not cooked—you're cremated . Someone clearly designed this schedule using a random number generator and pure malice. "English 001 - Learning the ABCs" appearing three times across the week like some kind of literacy-based Groundhog Day, while "ENGR 101 - Avoiding Eye Contact" is the most honest course title I've ever seen and should be mandatory for all STEM majors. But let's talk about the real MVP here: "LAB - Nap Time" scheduled from 12-2pm. Finally, an institution that understands the circadian rhythm of an overworked student. That's not a lab—that's survival strategy. And "FYEX 102 - How to tell everyone you're a freshman" running until 1:45pm? Buddy, this whole schedule already screams freshman energy louder than someone asking where the quad is. "MATH 021 - Counting by 5s" followed immediately by "ISEN 304 - Engineering Economics" is the academic equivalent of learning to ride a tricycle in the morning and attempting the Tour de France by afternoon. The cognitive whiplash alone should qualify for workers' comp.