Dimensionless Memes

Posts tagged with Dimensionless

The 23rd Dimensionless Quantity Crisis
Engineering Chemistry Physics Math
1 month ago 8.1K views 0 shares
The 23rd Dimensionless Quantity Crisis
Chemical engineers have mastered the dark arts of dimensional analysis, where they routinely juggle dimensionless quantities like Reynolds numbers and Prandtl numbers. But inventing a 23rd one? Pure madness! In dimensional analysis, we combine physical variables to create ratios that have no units, making equations more elegant. The frantic chalkboard scribbling perfectly captures that moment when you're frantically trying to force-fit variables into some coherent dimensionless group while your professor watches in horror. The real magic trick isn't just solving the equation—it's convincing yourself it actually means something!

May The Force (Per Unit Area) Be With You
Physics Engineering Science
3 months ago 7.2K views 0 shares
May The Force (Per Unit Area) Be With You
The ultimate fluid dynamics dad joke just dropped! When Rey introduces herself, the follow-up question "Rey who?" leads to the punchline "Reynolds number" - that brilliant dimensionless quantity that predicts flow patterns in different fluid flow situations. Engineers and physicists everywhere are snorting coffee through their noses right now. The Reynolds number (Re) literally determines whether your flow is laminar (smooth) or turbulent (chaotic), kind of like my dating life. Next time you're watching water swirl down a drain or calculating airflow over an airplane wing, remember: it's not just fluid dynamics, it's a Star Wars pun waiting to happen!

Numerical Methods: When Units Become Optional
Math Engineering Science Academia Physics
4 months ago 14.4K views 0 shares
Numerical Methods: When Units Become Optional
The evolution of mathematical maturity in a single image! In high school, we demand units with our answers because "5 what?" is the eternal question. But by the time you reach numerical methods in university, you're so deep in the mathematical weeds that "the speed of the wind is 7" sounds perfectly reasonable. No units needed—we're all just vibing with dimensionless quantities and normalized variables now. The true mark of a computational scientist isn't solving the equation—it's nodding sagely when someone gives you an answer with absolutely zero context.