To use the Magnifier feature on your iPhone, navigate to the "Accessibility" section of your Settings app.

A magnifying glass may conjure up visions of a Victorian detective puffing pipe smoke down a dimly lit alley, but they’re not just a prop to include in your next Sherlock Holmes-inspired fancy dress ...

It’s a form of art known as solar engraving, which involves focusing the sun’s energy into a concentrated beam to create a permanent design.