My dream robot actuator acts like one of those long trash grabbers, but it's a laser you point at whatever you want to pick up. Then, you can drop it at a seco

My dream robot actuator acts like one of those long trash grabbers, but it's a laser you point at whatever you want to pick up. Then, you can drop it at a second place you shine the laser. (The robot itself could be a kind of dumb RC car kind of thing that you are basically driving by shining the laser)