Researchers demonstrated a new type of optical manipulation: using laser light to pull a macroscopic object. The technology has potential for applications in the continued explorations of Mars.

Tractor beams have long been a staple of sci-fi, but you might not know that they’ve also existed in the real world for some time, albeit at a very small scale. Microscopic tractor beams, better known ...

Your everyday notion of forces probably includes pushing and pulling and similar actions. Technically, when something is pushed or pulled we say that "a force is applied to the object". What happens ...