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.
- Quantum Physics
Quantum communication takes a new twist
A three-kilometer transmission of light above the Vienna skyline demonstrates that scientists can use the twistiness of light to encode delicate quantum information.
- Quantum Physics
Quantum dots get a second chance to shine
Quantum dots, semiconductor particles that can emit a rainbow of colors, have been put to work observing living cells, with possible benefits for medical diagnosis.
- Quantum Physics
Quantum experiment dissects wave-particle mash-up
A modified version of a landmark quantum physics experiment has shown that a single parcel of light can be a particle and a wave simultaneously.
- Quantum Physics
Atomic clock will keep precise time for 15 billion years
The world’s most precise atomic clock will not lose or gain a second in roughly 15 billion years.
- Quantum Physics
One photon wrangles 3,000 atoms into quantum entanglement
A single photon can trigger the creation of quantum entanglement between thousands of atoms.
