William Abernathy

William Abernathy

Latest from William Abernathy


Make a simple tin-can stove that costs 99 cents, runs for free, and sequesters carbon as you cook. Read more »


When you picture a steam engine, you likely imagine a giant cast-iron contraption festooned with knobs, valves, gauges, linkages, and wheels. This steam-powered toy boat has no moving parts and needs only a flame and the surrounding water to zip around and make its distinctively happy sound. My interest in... Read more »


If you’ve visited enough science museums, you’ve seen a Foucault pendulum — and there’s a good chance it is one of more than 100 made so far by Cary Ponchione. Read more »