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Technology

It is impossible to build a practical quantum broadcaster

A quantum broadcasting system would end up sending slightly different information to every receiver – and efforts to sidestep this problem are too inefficient for practical use

News

Physics

We have detected a single electron with unprecedented speed

News

Physics

Extremely cold atoms defy entropy and refuse to heat up

News

Physics

Why no one can agree on what quantum physics really means

Comment

Physics

Molecule's tiny quantum jiggle imaged in unprecedented detail

News

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

Comment

Why mathematicians want to destroy infinity – and may succeed

Mathematics

Why mathematicians want to destroy infinity – and may succeed

Features

Physics

Could we get quantum spookiness even without entanglement?

News

Chaotic streams of energy appear to slice through space

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

A pair of quantum experimenters that share two entangled particles may be able to pass some of that entanglement to other pairs – and keep sharing it again and again

News

Physics

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

Features

Technology

Quantum-enhanced supercomputers are starting to do chemistry

News

Technology

Quantum computers are surprisingly random – but that's a good thing

News

Physics

How quantum superposition forces us to confront what is truly real

Features