4 ms·

We've known for over one hundred years that all forms of energy influence the curvature of spacetime: mass, radiation, momentum, pressure. The source of the gra

We've known for over one hundred years that all forms of energy influence the curvature of spacetime: mass, radiation, momentum, pressure. The source of the gravitational field is literally called the energy-stress-tensor. This, however, is about topological defects.

monocasa 2y ago
It concludes with > "But it is the first proof that gravity can exist without mass."
- mr_mitm 2y ago
  It's wrong
  - monocasa 2y ago
    Right, and it's a direct quote from the author of the paper in question.
    - mr_mitm 2y ago
      I know. He must be oversimplifying. It's pretty basic stuff, the way it's phrased it's definitely wrong.