What would it mean for two particles to become gravitationally entangled?
Evolution of the Universe simulated in a lab
Using the motion of sound waves through a superfluid liquid, scientists can model the Universe’s evolution on a reasonable time scale.
What is quantum gravity?
Quantum gravity seeks to describe gravity according to the principles of quantum mechanics, but can it be done?
Dark matter from quantum gravity
Researchers at the Southern University of Science and Technology in China ask if gravitons can be promising candidates for dark matter components.
The road towards the first image of a black hole
Imaging a black hole is not an easy thing, it takes years of experiments, collaborations, grants, planning, and no small amount of luck.
String theory used to describe the expanding universe
To address unknown quantum gravitational effects in the early universe, physicists have recruited string theory to help solve the problem.
From wood chuck holes to worm holes — A look into the notebooks of John Wheeler
Glimpse into the notebooks of physicist John Wheeler, which capture his eclectic, crazy, and yet never one-dimensional ideas.
String theory fuzzballs resolve famous black hole paradox
Scientists have turned to string theory to better understand black holes, proposing they can be modeled as “fuzzballs” made up of interacting strings.
Black hole asymmetry puts quantum gravity to the test
Physicists hope to detect asymmetry in spinning black holes using NASA’s LISA telescope to finally provide proof of quantum gravity.
Physicists identify a quantum membrane in merging black holes
The existence of a quantum membrane is predicted by some theories of gravity, and scientists might be one step closer to identifying one.