A quantum bit inspired by Schrödinger’s cat has managed to resist making errors for an unusually long time in a quantum computing experiment. This may make it a promising building block for more ...

The commonly used RSA encryption algorithm can now be cracked by a quantum computer with only 100,000 qubits, but the technical challenges to building such a machine remain numerous ...

Henry Yuen is developing a new mathematical language to describe problems whose inputs and outputs aren’t ordinary numbers.

Using a powerful machine made up of 56 trapped-ion quantum bits, or qubits, researchers have achieved something once thought impossible. They have proven, for the first time, that a quantum computer ...

Quantum computers hold great promise for exciting applications in the future, but for now they keep presenting physicists and engineers with a series of challenges and conundrums. One of them relates ...

Classical computing has operated as the fundamental power behind our digital world for many decades. Modern civilization relies on classical systems to operate smartphones and global financial ...

Researchers at the Duke Quantum Center received a $1 million grant to plan a 256-qubit quantum computer, kicking off an effort to build the most powerful computer ever of its kind. The production of ...

Microsoft's Majorana 1 chip includes eight topological quantum bits. Microsoft claims that building its first quantum-computing chip required that it create a new state of matter, which it is ...

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A new research paper by Google Quantum AI researcher Craig Gidney shows that breaking widely used RSA encryption may require 20 times fewer quantum resources than previously believed. The finding did ...

Such an amount of time is greater than the existence of the entire universe at 13.8 billion years. In superficial theory, such a powerful computer could mean no passwords are safe, encrypted messages ...