It's kind of cute how the Roomba moves around your filthy floors, methodically getting every corner and high-traffic area, until the battery dies and it stops in exhaustion because it couldn't make it back to the self-charging station, its red light blinking helplessly, as it calls out in that polite third-person voice, "Please charge Roomba." Please!
And then there's the "BigDog," an evolving series of terrifying robots designed by Boston Dynamics. Early versions of BigDog were impressive enough, with their ability to carry heavy loads through deep mud and across icy slopes. And when that video of someone kicking BigDog hit the Internet several years ago, you could [...]