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Articles on Time

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DSAC is prepping for a yearlong experiment to characterize and test its suitability for use in future deep space exploration. Jet Propulsion Laboratory

Why the Deep Space Atomic Clock is key for future space exploration

Measuring time is a crucial part of navigation – particularly in space, where exacting precision is called for. The DSAC is poised to make a change that will aid future deep space missions.
An unusual date that comes to us from the heavens. Date image via shutterstock.com

Leap day: fixing the faults in our stars

We will get an ‘extra’ day this year, February 29. Where do these quadrennial liberties with our calendar originate?
Tick tock, tick tock… You can’t hide from the molecular clock. www.shutterstock.com

Explainer: what is the molecular clock?

The molecular clock is helping us deepen our knowledge of evolution and completing the tree of life. But how does it actually work?
The difference between “real” time, measured by clocks, and our own sense of time can sometimes seem enormous. Seán Ó Domhnaill/Flickr

How did it get so late so soon? Why time flies as we get older

While few will dispute that a minute comprises 60 seconds, the perception of time can vary dramatically from person to person and from one situation to the next. Time can race, or it can drag.
Time is in our hands, more than we realise. Flickr, Spanish Flea

Why we should make time for remembering the future

We are curious about time. It holds us in a state of wonder, of anticipation for the future. The ability to categorise the past - history - and think about the future - planning - is a basic element of…
Adjusting back to standard time is easy for most of us and can happen in one or two days. jamelah e./Flickr

Spring forward, fall back: how daylight saving affects our sleep

Daylight saving time ends this weekend in most states and territories (barring Queensland, Western Australia and the Northern Territory), meaning we’ll turn our clocks back by one hour on Sunday morning…
Time will tell when it comes to finding longitude. Greenwich time, that is. Flickr: nicksarebi

The longitude problem: how we figured out where we are

Right now if you want to know where you are, your smartphone map will tell you instantly. But these technologies only exist because of the efforts of 18th century geographers, explorers, astronomers and…

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