Take this watery notebook with you out into the field the next time you go on a marine research trip

Yearly Planner

Give one to your favorite hygienist for a great tooth cleaning

more efficient structures

draw elegant titration curves or keep meticulous chemistry notes

The Equilateral Pen Discipline_Kitchen Science Take this watery notebook withThere's something beautiful about the 60 degree angles of an equilateral triangle. Here's a metal pen that's ready for your most elegant proofs, thoughts, or musings. With a cap that snaps on with a satisfying click, take your notes to the next level with the Equilateral. Each pen comes in its own felt case. Refill it with our special . 7 mm or . 5 mm ink cartridges.