Technology nowadays can really spur creativity and there's nothing you can't do with a 3D printer, CAAD and some skills. Like a surveillance military robot.

Engineering that kind of robot is complex to say the least, and also expensive: Some robotic hands can cost more than $100,000.

Ever wanted to design and build machines instead of buying them? Start here, with Hannah Joshua’s 10-part series that aims to give you all the skills to make a robot and much more ...

How to make your robot vacuum work better: 3 setup tips to do right now These settings are hidden in plain sight, but many people don't think to tweak them.