In this fascinating experiment, we explore the surprising power of solar energy by roasting a marshmallow using just a magnifying glass. Watch as sunlight intensifies through the glass, creating ...

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.