How to Watch Shadow Casting: The Making Of "A River Runs Through It" Shadow Casting: The Making Of "A River Runs Through It" is available to stream on pbs.org and the free PBS App, available on ...

On top, the rover sports a articulated robot arm controlled by servos, which allows it to pick things up and put them down. Plus, there’s an FPV camera on top that delivers a video feed so the ...