Space Einstein-Rosen bridges can be modelled as vacuum solutions to the Einstein field equations.
What name is given to fluctuations in the curvature of spacetime that were predicted to exist by Albert Einstein in 1916 on the basis of his theory of general relativity?
What is a name for a type of private club in city outskirts or rural areas that usually offers a variety of recreational sports facilities such as golf, tennis, swimming and polo?
What is the formal scientific name for the perennial, found in meadows and wooded and lower mountain areas and known colloquially as columbine?
Multiple areas across the world of up to almost 2 billion hectares each were devastated during 2019 /2020 by sometimes months-long what?