D.C. public libraries saw record engagement in 2025 with 3.2 million visits and over 6.2 million items borrowed, including books, eBooks, audiobooks, and streaming videos.

Chatbots can be overly agreeable. To get less agreeable responses, ask for opposing viewpoints, multiple perspectives, and a ...

This repository contains the Jupyter Notebooks behind my O'Reilly report, A Whirlwind Tour of Python (free 100-page pdf). A Whirlwind Tour of Python is a fast-paced introduction to essential ...

Introductory text for Kalman and Bayesian filters. All code is written in Python, and the book itself is written using Jupyter Notebook so that you can run and modify the code in your browser. What ...

The Transportation Security Administration (TSA) is once again honoring its canine teams with the unleashing of the 2026 Canine Calendar. The Purina Foundation continued its support of animal welfare ...