Learn to draw beautiful illustrations while you practice mindfulness and meditate. A must have tool for tangle artists and enthusiasts. Learn more at zentangle.com.
A quick reference guide for doodlers. Includes 100 tangle patterns with step-by-step instructions for drawing them. Pattern Packs 1-4 (available via in-app purchase) are now available, with 50 new doodle patterns in each The latest Pack 4 was added in July 2017.
See what 5 miles/sec (8 km/s) looks like in real time Track the International Space Station in real-time on an interactive map of Earth. Get viewing pass predictions, plus current crew data and bios. Supports picture-in-picture on iPads.