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Checking the clock brainteaser Brainteaser

by David, 20 March 2019 | 6 comments

Brain icon

Terry is inspecting a huge clock. It’s 2:12 and they just finished examining the big hand. They need to check the little hand next, but they want it pointing in exactly the same direction that the big hand is pointing now. How long will they need to wait until the little hand is pointing that…

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On Earth and Mars, time and travel – a quick quiz Quiz

by David, 14 March 2018 | 0 comments

Black lightning bolt in purple circle

Put your thinking caps on, it’s time to test your skills in chemistry, time, space, tech and biology!

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The language of time News

by David, 5 October 2017 | 0 comments

A sand timer on a road.

How do you imagine time? Is it a road, with the future fading off into the distance? Or is it an ocean, slowly draining as we spend our precious seconds? Surprisingly, the way you imagine time might affect the way you experience it!

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Gravity makes the Earth age slowly

by David, 15 June 2016 | 0 comments

It’s a science fiction horror story – a young astronaut takes a year-long mission closely orbiting a black hole. When he returns home, thousands of years have passed and everyone he has ever known has been dead for centuries. Is there a hint of truth to this terrifying tale? This imaginary astronaut’s story is a…

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Southern Cross clock Activity

by David, 27 January 2015 | 0 comments

A drawing of a driveway and the Southern Cross.

As the Southern Cross moves across the night sky, learn how to use it as a clock. Safety: This activity asks you to head outdoors at night. Ask an adult for permission, and make sure they know where you are. Check the weather forecast and dress for the conditions.

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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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Ticking away News

by Pat, 16 August 2013 | 0 comments

Artists impression of an atomic clock for space missions.

It’s a question that millions of people ask every day: ‘What’s the time?’ Knowing the time is an essential part of everyday life and important to scientific research as well.

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