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Physics

Quantum device detects all units of electricity at once

Defining the fundamental units of electricity used to require two finicky quantum devices – but now scientists have found an easier way to standardise our electrical measurements

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Technology

It is impossible to build a practical quantum broadcaster

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Physics

We have detected a single electron with unprecedented speed

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Physics

Extremely cold atoms defy entropy and refuse to heat up

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Physics

Why no one can agree on what quantum physics really means

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Technology

Tiny discs can levitate in the upper atmosphere using sunlight alone

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Chemistry

How superheavy chemistry could rearrange the periodic table

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Physics

Molecule's tiny quantum jiggle imaged in unprecedented detail

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2H2KWEA Big Bang to Present. Stages in the history of the Universe after the Big Bang. At 300, 000 years, matter and radiation decouple, and the Universe becomes transparent for the first time. The first galaxies form at around 300 million years after the Big Bang, but the exact time period is uncertain. At an age of 9 billion years the Solar System formed. Finally, 13.7 billion years after the Big Bang we arrive at the present day. The Universe is still expanding and evolving.

Physics

What happens to light's energy when it redshifts? It's complicated

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Physics

Could we get quantum spookiness even without entanglement?

Particles of light travelling through a maze of devices seem to have passed a famous test for entanglement – without being entangled at all

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Physics

Is gravity a new type of force that arises from cosmic entropy?

Features

Physics

We may be able to share quantum entanglement nearly infinitely

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Physics

We've discovered a door to a hidden part of reality – what's inside?

Features

Physics

We’ve discovered a new kind of magnetism. What can we do with it?

Features