Explore the groundbreaking equations that shaped our world in this black-paged 'Equations that Changed the World' Dark Matter hardcover notebook. This notebook, attributed to the early Greek philosopher Pythagoras, allows you to capture your physics class notes, graph your discoveries, or organize your data while channeling the innovative spirit of the ancient mathematician.

Get ready for a thrilling addition to our Dark Matter collection! We've taken some of our most loved notebook covers and expanded the range, bringing you more options to express your unique style and creativity.

This extra-thick 120 gsm black paper works great with gel pens (for the brightest colors, look for ones formulated to work on dark media, like our Supernova Pens), metallic pens, pastels, and even some paints.