Physicists create a single photon

Physicists have now experimentally demonstrated a new production method for a single photon. This research has published in Physical Review Letters on July 23, 2018.  "Individuals photos is useful for quantum cryptography and quantum computers," researcher says. When…

How fast our universe is expanding?

Signals from rare black hole-neutron star pairs could pinpoint rate at which universe is growing, researchers say. CAMBRIDGE, Mass. -- Since it first exploded into existence 13.8 billion years ago, the universe has been expanding, dragging…

Viewpoint: Reining in Alternative Gravity

Fabian Schmidt, Max Planck Institute for Astrophysics, Karl-Schwarzschild-Straße 1, Garching, 85748, Germany About the Author:  Fabian Schmidt is a research group leader at the Max Planck Institute for Astrophysics (MPA) in Garching, Germany. After completing…