Experimental Search for Quantum Gravity

Preface (S. Hossenfelder).- Astroparticle physics connections to the quantum gravity problem (M. Lorenz).- The search for a tiny hint from quantum gravity in the cosmic relic radiation (D. Brizuela, M. Kraemer).- Superfluid Helium: the Volovik Lessons (T. Lappe).- On the Paradigms of Quantum Gravity 2016 (F. Mueller).- On the Measurement of the Speed of Light in a Cavity (F. Schneiter).- Neutrino: the elusive particle bringing us closer to the world of quantum gravity (G. D'Amico).- Gravitational Waves: The "Sound" Of The Universe (J. M. Carmona).- Planck Star Phenomenology (A. M. Eller).- Gravitational measurements at small distances (H. Schmidt).- Return on investment in quantum-gravity research (G. Amelino-Camelia).- Semiclassical Gravity: A testable theory of Quantum Gravity (S. Scully).- Quantum gravity deformations (A. M. Frassino).- General Relativity, Black Holes and Planck Stars (M. Trudu).- Spacetime Structure: Analogy in Condensed Matter & Quantum Information (M. Seltmann).- Experimental Search for Quantum Gravity using Cosmology (M. Bischoff).- The Cosmological Constant and its Problems: A Review of Gravitational Aether (M. F. Wondrak).