We all know we live in three-dimensional space. But what does it mean when people talk about four dimensions? Is it just a ...
The Brighterside of News on MSN
Scientists reveal a four-dimensional twist on photonic quantum logic
A pair of photons enters an optical maze, and sometimes they leave as something new. Not new in the everyday sense, since both were still photons when they came out. But new in the way they share ...
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