How cool is this? You’ve seen the passive, swallowable camera capsules (the so-called “pooperazi”), the newer, active versions that can swim to targeted locations. Now, thanks to a Swiss developer, there’s an ingenious injectable bot on the horizon that uses external electro-magnetic power to travel through the body. Amazingly, the microbot can be actuated. Movable components are tuned to different frequencies and switching those frequencies on actuates those parts. Awesome!