Physics
Still-mysterious dark energy takes physics Nobel
Cosmologists who used exploding stars to deduce that the expansion of the universe is accelerating have won the physics prize
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Physics
Time need not end in the multiverse
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Physics
One step closer to a nuclear timekeeper
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Technology
Say cheese! Taking photos with a wave of the hand
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Physics
Unbreakable: The MIT time-lock puzzle
Features
Physics
Super-accurate clocks emerge from ‘heat haze’
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Physics
Push to define year sparks time war
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Physics
Starting over: Let’s decimalise time
Features
Earth
Memory fails time-travelling chimps
News
Your kitchen sink, and 16 other wonders of the cosmos
Follow Roger Highfield as he time-travels, wages biological warfare and finds the secret of galaxy clusters in his soup 鈥� all in a typical Monday
Features
Technology
Turn back time to deafen enemy divers
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Technology
Online photo coincidences betray your friends
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Technology
Mirror trick could boost Blu-ray discs
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Physics
How to cloak a crime in a beam of light
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