Born-again planetary nebula

Beneath the vivid hues of this eye-shaped cloud, named Abell 78, a tale of stellar life and death is unfolding. At the centre of the nebula, a dying star – not unlike our Sun – which shed its outer layers on its way to ...

date17 hours ago in Astronomy
shares52 comments 0

Transforming living cells into tiny lasers

In the last few decades, lasers have become an important part of our lives, with applications ranging from laser pointers and CD players to medical and research uses. Lasers typically have a very well-defined direction of ...

date17 hours ago in Optics & Photonics
shares39 comments 0