They are experiments that would never be allowed to take place today due to health and safety restrictions, but back in the 1960s children were actively encouraged to dip their hands in boiling water, ...

Burning things with a magnifying glass is one of the first scientific experiments many of us can remember trying when we were younger. Focusing the sun's rays on a piece of paper (or, if you were a ...

Created more than 400 years ago, the telescope is a tool that has allowed both amateurs and scientists alike to explore the sky in much more detail than they ever could with their naked eyes. All ...

This works when the object is placed at a distance from the lens of less than one focal length. The image is: on the same side of the lens as the object, but further away; upright; enlarged; virtual.

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 ...