Quantum Physics
- Quantum Physics
A sapphire Schrödinger’s cat shows that quantum effects can scale up
The atoms in a piece of sapphire oscillate in two directions at once, a mimic of the hypothetically dead-and-alive feline.
- Quantum Physics
Google’s quantum computer reached an error-correcting milestone
A larger array of quantum bits outperformed a smaller one in tests performed by Google researchers, suggesting quantum computers could be scaled up.
- Physics
Physicists stored data in quantum holograms made of twisted light
Light that travels in corkscrew-like paths provides a way to make holograms that store large amounts of data in ultrasecure packages.
- Quantum Physics
This environmentally friendly quantum sensor runs on sunlight
Quantum sensors often rely on power-hungry lasers to make measurements. A new quantum magnetometer uses sunlight to measure magnetic fields instead.
- Quantum Physics
Quantum entanglement makes quantum communication even more secure
Bell tests proved that quantum mechanics really is “spooky.” Now they’ve made quantum communication even more hacker-proof.
- Quantum Physics
Aliens could send quantum messages to Earth, calculations suggest
Scientists are developing quantum communications networks on Earth. Aliens, if they exist, could be going further.
- Quantum Physics
Quantum physics exponentially improves some types of machine learning
It wasn’t entirely clear if quantum computers could improve machine learning in practice, but new experiments and theoretical proofs show that it can.
- Quantum Physics
A new gravity sensor used atoms’ weird quantum behavior to peer underground
Quantum sensors promise to be more accurate and stable in the long run than other gravity probes.
- Quantum Physics
‘From Data to Quanta’ defends Niels Bohr’s view of quantum mechanics
In his new book, philosopher Slobodan Perović corrects misconceptions about physicist Niels Bohr’s work.
- Quantum Physics
The quantum ‘boomerang’ effect has been seen for the first time
Jostled particles return to their starting points in certain materials, an experiment reveals, confirming theoretical predictions.
- Quantum Physics
Quantum particles can feel the influence of gravitational fields they never touch
A quantum phenomenon predicted in 1959, the Aharonov-Bohm effect, also applies to gravity.
- Quantum Physics
A century of quantum mechanics questions the fundamental nature of reality
A century after the quantum revolution, a lot of uncertainty remains.
