Context: Recently, a team of Physicists have purportedly created the first-ever wormhole, a kind of tunnel theorized in 1935 by Albert Einstein and Nathan Rosen that leads from one place to another by passing into an extra dimension of space.

• The story of the holographic wormhole traces back to two seemingly unrelated papers published in 1935: one by Einstein and Rosen, known as ER, the other by the two of them and Boris Podolsky, known as EPR. 

• Both the ER and EPR papers were initially judged as marginal works of the great E. That has changed.

About Bifrost

• A wormhole is an ideal shortcut for intergalactic travelling. It connects two far away points in space-time through a tunnel or bridge.

• It is also called Einstein Rosen Bridge.

• The Bifrost is nothing but an Einstein-Rosen bridge or a wormhole — theorized in 1935 by Albert Einstein and Nathan Rosen. 

Wormhole or Einstein-Rosen bridge Theory

• A wormhole is like a tunnel between two distant points in our universe that cuts the travel time from one point to the other. 

• Instead of travelling for many millions of years from one galaxy to another, under the right conditions, one could theoretically use a wormhole to cut the travel time down to hours or minutes.

• Because wormholes represent shortcuts through space-time, they could even act like time machines. A person might emerge from one end of a wormhole at a time earlier than when s/he entered its other end.

Is Wormhole theory fact or fiction?

• Because of interesting features, many science fiction writers use wormholes in novels and movies. But the presence of wormholes has not yet been established through observation or inference by astronomers.

• However, scientists often see wormholes described in the solutions to important physics equations such as Einstein’s theory of space-time and general relativity.