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Time crystals enter the real world of condensed matter

Peter Hannaford and Krzysztof Sacha ask whether we can realize condensed-matter phenomena exhibited by ordinary spatial crystals in the time dimension

Time examined and time experienced

Although we are immersed in time, it remains a mysterious concept to us. Sidney Perkowitz discusses how scientists and philosophers alike are seeking a deeper understanding

Illustration of hands knitting an item covered in space-time equations

Knitting space–time out of quantum entanglement

Clara Aldegunde goes on an intellectual journey to understand how quantum phenomena may thread together the fabric of space–time, giving rise to our reality

In search of time crystals

Philip Ball reveals just why so many physicists are getting excited about exotic materials dubbed "time crystals"

Quantum computer shows that time crystals are phases of matter

Result establishes near-term quantum computers as testbeds for exotic physics out of equilibrium

**Carlo Rovelli: the author of The Order of Time discusses ‘perhaps the greatest mystery’**

Best-selling author Carlo Rovelli talks to Matin Durrani about his new book The Order of TIme

Time crystals: the search for a new phase of matter

Pedram Roushan, from Google’s Quantum AI team, describes this elusive form of matter – and how it could be simulated on the company’s Sycamore quantum proces...

Worth the time

Paul J Nahin probes the enduring mystery of time

Illustration showing hundreds of clocks jumbled together

What is time?

Adam Frank explains why the nature of time is such an enduring – and important – problem

Time traders

With today's high-speed financial markets, every microsecond counts – but how do traders stay up to speed? Jon Cartwright explains

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