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 ...

A Louisville artist is creating art through destruction using some simple tools. Artist Billy Keith uses a giant magnifying glass to burn images onto plywood, letting the sun's rays pass through the ...

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Astronomers at the University of Chicago, MIT and elsewhere have used a massive cluster of galaxies as an X-ray magnifying glass to peer back in time, to nearly 9.4 billion years ago. In the process, ...

It's one of the biggest ever — roughly 30 billion times the mass of our sun. It's the first to be found using gravitational lensing. That's when a nearby galaxy acts like a giant magnifying glass.