In the astronomical case, a compound lens can be made by the dual effects of two galaxies lined up next to one another just right. The researchers note that when the system, J1721+8842 ...

Dynamical activity in this galaxy group has now been reawakened by NGC 7318b ... and the James Webb Space Telescope (JWST), ...

We've heard rumors about a triple-screen Samsung Galaxy foldable for a few weeks now, but it sounds like you'll have to wait ...