How the universe is reflected near black holes

In the vicinity of black holes, space is so warped that even light rays may curve around them several times. This phenomenon may enable us to see multiple versions of the same thing. While this has been known for decades, only now do we have an exact, …

New electronic paper displays brilliant colors

Imagine sitting out in the sun, reading a digital screen as thin as paper, but seeing the same image quality as if you were indoors. It could soon be a reality. A new type of reflective screen – sometimes described as ‘electronic paper’ – offers optima…