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 ...

Movies and stories from the early 20th century sometimes show an elegant lady or gentleman using a magnifying glass to read a letter. Generically, a magnifying glass makes very small things appear ...

For many of us, our multitasking iPhones have replaced many other tools and gadgets, including our cameras, calculators, torches, notepads, GPS units, and even our compasses. There's one more item ...