The date has been set for the next leap second - June 30th 2012. Leap seconds help to keep our incredibly accurate atomic clocks in line with the varying length of the Earth day. But there is debate around whether we need them at all...
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Can 'Devs' and macroscopic superposition become reality?
So how big a nuclear bomb would it take to cover the UK with a tsunami anyway
Can I utilise a telescope to enable me to see in the dark?
How are global warming and world population expansion linked?
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