Abstract: Single-photon sources are key components of a quantum communication network; however, present-day realizations of such photon sources do not yet show an ideal behavior. A quantitative way to ...

Abstract: In this article, we deduces the expression the Two-Way Parabolic Equation method(2WPE). First, in the single-knife-edge scenario, the 2WPE method is used to solve the radio wave propagation ...

World of Warcraft players on Sunday reported problems accessing the game, with users citing server outages on Monday afternoon. According to outage-tracking website DownDetector, reports began to rise ...

The simulation hypothesis—the idea that our universe might be an artificial construct running on some advanced alien computer—has long captured the public imagination. Yet most arguments about it rest ...