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time

About time: What is it?

Physics

About time: What is it?

Is time a river, a block, or a figment of our imagination? The essential nature of time remains the universe's greatest mystery

Features

Still-mysterious dark energy takes physics Nobel

Space

Still-mysterious dark energy takes physics Nobel

News

Time need not end in the multiverse

Space

Time need not end in the multiverse

News

One step closer to a nuclear timekeeper

Physics

One step closer to a nuclear timekeeper

News

Say cheese! Taking photos with a wave of the hand

Technology

Say cheese! Taking photos with a wave of the hand

News

Unbreakable: The MIT time-lock puzzle

Physics

Unbreakable: The MIT time-lock puzzle

Features

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Physics

Super-accurate clocks emerge from 'heat haze'

News

Push to define year sparks time war

Space

Push to define year sparks time war

News

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Physics

Starting over: Let's decimalise time

Features

Memory fails time-travelling chimps

Earth

Memory fails time-travelling chimps

In a memory contest between a chimpanzee and a bird, most of us would bet on the chimp. But in mental time travel, the chimp might just find itself outmatched

News

Your kitchen sink, and 16 other wonders of the cosmos

Features

Technology

Turn back time to deafen enemy divers

News

Technology

Online photo coincidences betray your friends

News

Technology

Mirror trick could boost Blu-ray discs

News

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