Astronomers have shown how gravitational lensing allows us to see the faintest and most distant galaxies, helping us to understand the origin of the Universe. The first gravitational lens, a ...

A magnifying glass contains a lens that’s made into a convex shape in order to better see small objects. Magnifying glasses have plenty of uses, from making it easier to read a book to examining ...

The Standard's journalism is supported by our readers. When you purchase through links on our site, we may earn an affiliate commission. A magnifying glass may conjure up visions of a Victorian ...