November 14, 2019 AUTHOR: Donald Bell CATEGORIES: News Tags: Animatronic, Atronaut, carbon dioxide, CO2, Current Limiting, Drawing, Eye, Flexure, Harvard, ISS, LED, Mask, Mechanism, meter, Paintbrushes, Plastic, Plotter, Projection, Resistor, Servo, Urchin, VU Out Of Thin Air [Maker Update #149] This week on Maker Update, a giant carbon dioxide meter to measure the air quality, making 3D printer filament in space, an urchin robot, popsicle stick plotter, animatronics, a projection mask, and a primer on paint brushes. Read More