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Being invisible might not be a skill just for Harry Potter or Star Trek characters anymore.

Scientists at the University of Rochester say they’ve figured out how to make large objects seem invisible in a process called ‘cloaking,’ according to Business Insider.

The process doesn’t really involve a cloak — it does involve different lenses that make an object seem hidden while items around it can still be seen.

The scientists tried cloaking out on a hand, a face and a ruler. They said that the process has endless possibilities in surgery, the military, and art.

The materials to make this ‘Rochester cloak’ are also relatively inexpensive.

Read more from Business Insider here.