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Make a watermark Activity

by David, 4 October 2018 | 0 comments

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

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Invisible glass Activity

by David, 28 June 2018 | 0 comments

Glass of water with a ock floating in it.

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!

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The Year of Light News

by David, 2 March 2015 | 0 comments

Scientist operating green lasers

2015 is the The International Year of Light and Light-based Technologies. To celebrate, we’re sharing some light-based articles and activities:

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Blue is a Nobel colour News

by Andrew Wright, 17 October 2014 | 0 comments

Blue LEDs shine light onto a wall

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.

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How bright is the Sun? Activity

by David, 7 October 2014 | 0 comments

Wiping oil off paper

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?

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Light’s whispers News

by Jasmine, 13 June 2014 | 0 comments

Light thermometer

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

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Jelly lens for your smartphone Activity

by David, 2 May 2014 | 0 comments

A jelly lens being placed over a camera lens.

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

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Moth mimic News

by Jasmine, 11 April 2014 | 0 comments

A man wearing sunglasses. There is a zoom box indicating the sunglasses are covered in tiny cones.

Written by Sarah Kellett The way a moth’s eyes have adapted to darkness may help us stop glare from the Sun. Despite their tendency to circle light bulbs, moths have eyes that are designed for darkness. Each eye has a bumpy pattern that stops light reflecting off the surface, possibly helping the moth see in…

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Elec-TREE-city News

by Sarah, 21 March 2014 | 0 comments

Pierre Vivant's sculpture, Traffic Light Tree in the Docklands, London

Written by Neha Karl Plants are a gift of nature. They provide food to eat, release oxygen into the air we breathe, and make our world a whole lot greener. And soon, they could be a supercharged source of energy! Just as plants grow and develop, so does technology.

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Aurora origins News

by Pat, 8 November 2013 | 0 comments

Aurora over a winter landscape.

On a dark night, far from the Equator, you might be lucky enough to spot an aurora: a shimmering, colourful glow in the sky. This natural light show has captivated people for thousands of years. While it is mostly associated with cold, dark nights near the poles, auroras have a much brighter, warmer origin: the…

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