Quantum Physics
- Quantum Physics
More tests confirm quantum spookiness
New experimental results confirm and strengthen evidence for the “spooky” reality of quantum physics.
- Science & Society
Quantum spookiness, magnetic mysteries and more feedback
Letters and comments from readers on quantum spookiness, Earth's magnetic field, and more.
- Quantum Physics
Light mimics hotel with limitless vacancies
By mimicking a mathematician’s method for creating vacancies in a hotel with an infinite number of rooms, physicists may have found a way of increasing the amount of data that can be carried via light.
- Quantum Physics
Quantum interpretations feel the heat
Landauer’s principle shows a way to test competing interpretations about quantum physics.
- Quantum Physics
Confirmed: Quantum mechanics is weird
The first demonstration of a loophole-free Bell test validates the weirdness of quantum physics.
- Quantum Physics
Future quantum computing could exploit old technology
Silicon transistors have been modified and patched together to form logic gates that could perform calculations in future quantum computers.
- Quantum Physics
Entanglement: Gravity’s long-distance connection
The universe may be a vast quantum computer that safely encodes spacetime in an elaborate web of entanglement.
- Quantum Physics
Quantum choice can be counterproductive
In a puzzling paradox, delivering quantum messages becomes more difficult if the intended recipient offers the sender multiple options for the time and place of delivery.
- Quantum Physics
Shinsei Ryu: Error-free quantum calculations
Physicist Shinsei Ryu navigates the confusing border between the quantum and everyday realms.
- Quantum Physics
New experiment verifies quantum spookiness
A new experiment provides the most robust proof that quantum mechanics doesn’t follow the rules we take for granted in everyday life.
- Physics
Hawking proposes solution to black hole problem
Light sliding along the boundary of a black hole encodes everything that ever fell inside, suggests Stephen Hawking in a new but incomplete proposal.
- Quantum Physics
Physicists get answers from computer that didn’t run
By exploiting the quirks of quantum mechanics, physicists consistently determined what a quantum computer would have done without actually running the computer.
