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Chinese physicists may not yet be able to move between parallel universes or become invisible, but they've created the first tunable electromagnetic gateway. Researchers at the Hong Kong University of Science and Technology and Fudan University in Shanghai said their concept of a gateway that can block electromagnetic waves, but that allows the passage of other entities resembles hidden portals or invisibility cloaks mentioned in works of science fiction or fantasy, such as the Harry Potter...
Xiang Zhang, a faculty scientist with the U.S. Department of Energy's Lawrence Berkeley National Laboratory (Berkeley Lab) and professor at the University of California Berkeley, lead a study in which it was determined that the interactions of light and matter with spacetime, as predicted by general relativity, can be studied using the new breed of artificial optical materials that feature extraordinary abilities to bend light and other forms of electromagnetic radiation.
Two recently designed 3-D materials are opening new possibilities for scientists looking to develop an invisibility cloak.