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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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Half of 12 brainteaser Brainteaser

by David, 16 May 2018 | 0 comments

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You probably know that half of 12 is six. But the other day, I caught a glimpse of a clock peeking between buildings. At that moment, I noticed that sometimes, half of 12 is seven. How is this possible?

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A clock that will still tick in 10 millennia News

by David, 15 March 2018 | 3 comments

Close up image of the stainless steel gears of a clock.

Time keeping machines aren’t always built to last, but some do manage to stand the test of time. The Cronulla Clock Tower houses a clock that’s almost 250 years old, for example; the clock in England’s Salisbury Cathedral is still ticking 630 years after it was built.

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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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These uncertain times Activity

by Pat, 13 February 2013 | 0 comments

‘I know because I measured it!’ you might say. But how uncertain should you be about that measurement?

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Super clock News

by Pat, 5 October 2012 | 0 comments

Protein crystals

A clock that lasts forever, without batteries or winding up, sounds like something from science fiction. Right now, that’s the case. But a research team led by scientists in the USA thinks it might actually to be possible to make such a device.

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