Oscar E. Fernandez

She hadn't eaten in days, but her heart doesn't forget 🥹❤️

An acoustic guitar strings' oscillation. The frame rate of the camera allows you to see the wavelength of notes.

A rotating ball casts a shadow that perfectly matches a mass on a spring, revealing how circular motion and simple harmonic motion are linked. A visual proof of sine-wave physics in action.

Humpback whales in Antarctica blew bubbles in a Fibonacci spiral while hunting, a mesmerizing natural tactic. The spiral concentrates fish into a dense cloud, showing how even massive animals instinctively use universal math to optimize energy and catch. Cropped and zoomed.

While washing the balcony, she decided to put her routine aside and play with her children. They slid together in the water, laughed, got wet and enjoyed a beautiful moment. 🎥: renataa.oliveiira

The Sun photographed for more than a year from the same spot at the same time ♾ x.com/i/status/18327…

That's your job, hooman..🐕🐾😅 twitter.com/Yoda4ever/stat…

A beautiful intersection of chemical reactions and art ✍️

Today is the official release date of Calculus 2 Simplified, published by @PrincetonUPress! Read more about the book here (press.princeton.edu/books/paperbac…). I'll be celebrating the release with a month of funny calculus memes. Enjoy!

Pringles are shaped like a hyperbolic paraboloid, which is a type of saddle surface. This shape is not only distinctive but also has practical benefits for stacking and packaging, as well as enhancing the structural integrity of each chip to resist breaking.

Mathematics is self-sufficient(a series of proofs)...ᝰ.ᐟ

When a math person dances.

✔ Positive Psychology (Alan Carr) – Explore the science behind what makes life meaningful. ✔ The Calculus of Happiness (@EverydayCalc ) – Discover how simple math can lead to smarter life choices! #InternationalDayOfHappiness #HappinessMatters

Diffraction through a single slit: As we narrow the slit, diffraction dominates, spreading light out, revealing its wave-like nature. Widen the slit, and the beam straightens up, its width starts to mirror the slit, just as expected. #physics #optics #fourieroptics #light #photonics #python

When you realize Daddy is singing. ️ (🎥:adrianmariebradford)

Being a dad sometimes means making a fool of yourself just to see them smile.

How cute, he's asking to be picked up

The biggest battles aren’t fought with others, but within. Calm is contagious, and it starts with you. Btw, I have a gift for you in my bio link :)

Halloween costumes for dogs The last one is epic

I don't get it ... YET! See what a difference one little word makes? (📸 via T Ms. Ivey) #AlwaysLearning