Hank demonstrates how to build a hybrid rocket engine in your kitchen! Hosted by: Hank Green Dooblydoo thanks go to the following Patreon supporters: Lazarus G, Sam Lutfi, Nicholas Smith, D.A. Noe, ...

What happens when a 1974 Honda Civic gets a K20 Type R engine, modern engineering, and zero compromises? One of the cleanest ...

One of the perennial challenges of building robots is minimizing the size and weight of drive systems while preserving power. One established way to do this, at least on robots with joints, is to ...

At the smallest scales, heat engines can do more than Carnot ever imagined. Researchers at the University of Stuttgart have ...