<img src="https://spectrum.ieee.org/media-library/man-standing-beside-a-tall-wheeled-robot-smiling-and-waving-at-the-camera.jpg?id=67880303&amp;width=1245&amp;height=700&amp;coordinates=0%2C187%2C0%2C188" /><br /><br /><p>Building useful robots starts with understanding the people who use them. For Charlie Kemp, cofounder and chief technology officer of Hello Robot, that means developing assistive robots that can help people with everyday tasks and support greater independence.</p><p>In this <a