Star Trek comes to real life.
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Scientists at the University of St. Andrews in Scotland have created a “tractor beam” that could come straight for the set of Star Trek. The research project, which was published in Nature Photonics, successfully developed a tractor beam that uses light to attract and move objects.
Although tractor beams are often thought of as moving large objects like on the science fiction television show Star Trek, at this point in time the real-life version can only be used to move microscopic specimens. In fact, the main goal is to be able to attract tiny cells. Ultimately the researchers would like the device to be used by medical professionals to target single cells throughout the body.