Two brothers in Singapore have built a data-encryption company on pure mathematics, betting that a problem no algorithm can ...

Imagine the tap of a card that bought you a cup of coffee this morning also let a hacker halfway across the world access your bank account and buy themselves whatever they liked. Now imagine it wasn’t ...

As the hare learned from the tortoise, speed isn't everything. Theoretical computer scientists at Sandia National Laboratories and Boston University have discovered that quantum computers are ...

Researchers around the world are racing to develop new quantum-based systems for sensing, communication, computing and ...

Predicting the behavior of many interacting quantum particles is a complicated process but is key to harness quantum computing for real-world applications. Researchers have developed a method for ...

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Routing problems are extensively studied in the fields of transportation and optimization 1,2,3. The interest in this particular topic stems from two main factors: their high computational complexity ...

Imagine zooming into matter at the quantum scale, where tiny particles can interact in more than a trillion configurations at once. If that sounds complicated, it is. Physicists often rely on ...

The original version of this story appeared in Quanta Magazine. Say you want to send a private message, cast a secret vote, or sign a document securely. If you do any of these tasks on a computer, you ...