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Physical sciences posts

Crystal clocks and atomic ticks News

by Andrew Wright, 29 August 2014 | 0 comments

Strontium atomic clock

One of our readers requested an article about time keeping devices, and it’s a great time for the topic. Scientists set a new record in clock precision early this year with an atomic clock that ‘ticks’ 430 trillion times in a single second. Vibrations on your wrist Most wristwatches and wall clocks today use a…

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Star power on Earth News

by Andrew Wright, 8 August 2014 | 1 comments

Plama research facility

Can we power our homes with the process that powers stars? Nuclear fusion offers to do just that, and scientists are looking for ways to harness this energy with experiments that run hotter than the Sun.

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Light’s whispers News

by Andrew Wright, 13 June 2014 | 0 comments

Light thermometer

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 Andrew Wright, 2 May 2014 | 0 comments

A jelly lens being placed over a camera lens.

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

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Mini microscope News

by Andrew Wright, 2 May 2014 | 0 comments

Light focuses into bright spots through two drops of polymer

You can now turn your phone camera into a microscope with a rubbery lens the size of a lentil. Costing only a cent, it could help track skin diseases and farming pests.

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Know your temperatures News

by Jasmine, 1 April 2014 | 0 comments

Panda eating ice cream.

Written by Matthew Dunn Illustrated by Alex Hallatt From absolute zero to the surface of the Sun, there’s a whole range of temperatures in our Universe. Let’s learn more!

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Deep sea divers News

by Sarah, 14 February 2014 | 0 comments

Argo float going into the sea.

Written by Neha Karl Is it a fish? Is it a boat? No, it’s Argo float – a robot ready to dive deep and collect information about the ocean!

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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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What a corker! News

by Pat, 4 October 2013 | 0 comments

Cross-section of cork bark.

Written by Sarah Kellett Bottles of champagne may send corks sky high, but spacecraft take cork as far as Mars. Their success depends on it. Cork reached new heights as part of the protective aeroshell that insulated the Mars rovers Spirit, Opportunity and Curiosity from the intense heat of entering the Martian atmosphere.

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This is a hold-up Activity

by Mike, 4 October 2013 | 0 comments

Inverted plastic cup containing green water, with a card pressed beneath to keep the water in.

Written by Justin McGuire This activity may splash some water around, so try it over a sink or outside.

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