One of the perennial challenges of building robots is minimizing the size and weight of drive systems while preserving power.

AC induction motors are everywhere, from ceiling fans to vehicles. They’re reliable, simple, and rugged — but there are some disadvantages. It’s difficult to control the speed ...

They say the jungle on the Philippines island of Mindanao has its own acoustics. Gunfire doesn't crack so much as roll: a low, brutal ripple that shudders through the trees and comes back at you from ...

The information in this workshop is taken from my notes from a course at Tom Brown's Tracking School in New Jersey, in a course taught by John Stokes of the Tracking Project, and from my personal ...