Quantum Physics
Quantum physics can confirm where someone is located
The concept of entanglement links far-flung particles. That relationship can prove that someone is in the location they claim to be.
Quantum Physics
More Stories in Quantum Physics
- Quantum Physics
Discoveries that enabled quantum computers win the Nobel Prize in physics
In the 1980s, John Clarke, Michel Devoret and John Martinis demonstrated quantum effects in an electric circuit, an advance that underlies today’s quantum computers.
- Quantum Physics
A quantum computer goes to space
Quantum computers in space could be useful for communications networks or for testing fundamental physics.
- Quantum Physics
‘Magic’ states empower error-resistant quantum computing
Special quantum states allow computers to perform the most difficult class of quantum computing operations.
- Computing
There’s no cheating this random number generator
From jury duty to tax audits, randomness plays a big role. Scientists used quantum physics to build a system that ensures those number draws can’t be gamed.
- Quantum Physics
The unsung women of quantum physics get their due
The new book, Women in the History of Quantum Physics, spotlights the oft-forgotten contributions of women scientists in the field.
- Quantum Physics
As quantum mechanics turns 100, a new revolution is under way
With greater control over the quantum realm, physicists are poised to make major leaps in quantum computing, quantum gravity and more.
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Physicists are mostly unconvinced by Microsoft’s new topological quantum chip
Majorana qubits could be error resistant. But after a contentious talk at the Global Physics Summit, scientists aren’t convinced Microsoft has them.
- Quantum Physics
A quantum computing milestone is immediately challenged by a supercomputer
A quantum processor solved a problem in 20 minutes that would take a supercomputer millions of years. A supercomputer then did a part of it in about 2 hours.
- Quantum Physics
Quantum mechanics was born 100 years ago. Physicists are celebrating
Quantum physics underlies technologies from the laser to the smartphone. The International Year of Quantum marks a century of scientific developments.
