University of Rochester Ph.D. student Joseph Choi demonstrates a cloaking device using four lenses in Rochester, New York in this September 11, 2014 University of Rochester handout photo. Scientists at the University of Rochester have discovered a way to hide large objects from sight using inexpensive and readily available lenses, a technology that seems to have sprung from the pages of J.K. Rowling's Harry Potter fantasy series. (Photo by J. Adam Fenster/Reuters/University of Rochester)
|