The major difference between black holes and white holes is their formation. We know, thanks to the work of J. Robert Oppenheimer and collaborators, that when a massive star undergoes a complete ...

A white hole is thought to be the reverse of a black hole, expelling light and matter rather than absorbing them. Now, a team of researchers has designed a novel optical device with intriguing ...

Of course, white holes are not a new idea, and were first proposed way back in the 1930s. But what little we know about black holes the same can be doubly said for white holes.