So, unmanned military aircraft — what most of us call “drones” — are only the beginning. Smart people all over the world are developing a multitude of terrifying robots right now. Here’s a look at the ...

Adnan Charara was painting a face, cartoonish and off kilter. The robot arm on the table next to him was painting blue splotches all over the same canvas. Charara, a Lebanon-born artist who now works ...