Nexus Pen for Science
How Nexus Pen and Donna can explain biology, chemistry and physics concepts when you ask, from the central dogma to stoichiometry to Faraday's law.
The Nexus Pen team1 min read
Blog
Blog
Updates, guides and engineering notes about the Nexus Pen and Donna.
Latest articles
Nexus Pen for Math
How Nexus Pen and Donna walk you through algebra, geometry, trig and calculus one step at a time, explaining the reasoning instead of just the answer.
The Nexus Pen team1 min read
Wireless Pen with AI Assistant: How the Nexus Pen Works
How Nexus Pen works inside: the ESP32 board, microphone and speaker, low-energy wireless link, audio pipeline, color display and power management.
The Nexus Pen team1 min read
AI Tools for Studying in 2026
Seven AI tools worth having in your study stack in 2026: Nexus Pen, Notion AI, Grammarly, Quizlet, Wolfram Alpha, Otter.ai and Khanmigo.
The Nexus Pen team1 min read
Nexus Pen for History
How to study history with Nexus Pen and Donna: recall key dates, build cause and effect arguments, and practice document-based and long-essay questions.
The Nexus Pen team1 min read
Nexus Pen Note Taking System
Build a note-taking system around Nexus Pen: the Cornell method plus quick questions to Donna, query-anchored notes, and a simple recall schedule.
The Nexus Pen team1 min read
AI Pen Creative Writing
How to use Nexus Pen's Creative mode for brainstorming, writer's block, poetry and essays, with Donna as a collaborator while the writing stays yours.
The Nexus Pen team1 min read
AI Pen College Students
College life moves fast, between lectures, labs, group projects, and deadlines, staying organized and on top of your studies requires the...
The Nexus Pen team1 min read
AI Pen Accessibility
How a voice-powered AI pen can help learners with dyslexia, ADHD or a second language get quiet, on-demand answers without a screen.
The Nexus Pen team1 min read
Nexus Pen Setup Guide
Set up Nexus Pen in about five minutes: get the app, create an account, power on, connect wirelessly and ask Donna a question.
The Nexus Pen team1 min read
AI Ethics Education
AI can make cheating easy. Here is how Donna is built to help you learn, and what responsible AI use looks like.
The Nexus Pen team1 min read
10 Questions Ask Donna
Donna, the AI assistant inside the Nexus Pen, is capable of answering a wide range of questions, from quick definitions to complex concep...
The Nexus Pen team1 min read
Only 110 Founders Edition pens will be made.
Get notified when the Founders Edition goes on sale.