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These questions will help you to see the light. Take the quiz and see if you shine brightly.

When we look at a very bright object and then look away from it, why do we still see the object’s outline?

Ever wondered how TVs can make so many colours? Make some coloured torches and learn to blend like a TV in this activity from our book, Puzzles and Projects.

Staying home to slow the spread of COVID-19? We’ve got some ideas to help you pass the time, even if you’re stuck indoors. Time to gather up materials from around the house and do some science!

If you want to write a secret message, we’ve got a simple technique for you to try. Time to work on your watermark!

Find out more about invisibility by hiding a glass jar in plain sight. Then, use the jar to create a clever illusion, making a rock appear to float mysteriously!

What will make our future brighter? For thousands of years our lives have been lit by the Sun, by stars, by fire. Electricity brought new types of lights, ones we can summon at the flick of a switch.

Have you ever wanted to measure something truly ridiculous? With a lamp and a piece of paper, you can answer a silly sounding question: How bright is the Sun?

Written by Sarah Kellett A whispering gallery of light has made the world’s most sensitive thermometer yet.

Written by Sarah Kellett Have you ever wanted to own a microscope? This jelly lens can turn any phone camera into a magnifying machine!