Can Choices Curve Spacetime?
Two teams are developing ways to detect quantum-gravitational effects in the lab.
FQXi
Topics: Quantum Gravity Quantum Mechanics Superposition
Quantum Mischief Rewrites the Laws of Cause and Effect
Spurred on by quantum experiments that scramble the ordering of causes and their effects, some physicists are figuring out how to abandon causality altogether.
Quanta Magazine
One of Quantum Physics’ Greatest Paradoxes May Have Lost Its Leading Explanation
Underground experiment undermines gravity as the cause of quantum collapse.
Science
Topics: Gravity Particles Quantum Mechanics Superposition
Quantum Darwinism, an Idea to Explain Objective Reality, Passes First Tests
Three experiments have vetted quantum Darwinism, a theory that explains how quantum possibilities can give rise to objective, classical reality.
Topics: Entanglement Quantum Mechanics Reality Superposition
The Unsolvable Problem
After a years-long intellectual journey, three mathematicians have discovered that a problem of central importance in physics is impossible to solve — and that means other big questions may be undecidable, too.
Scientific American
Topics: Quantum Mechanics Superposition
Why Is the Quantum So Mysterious?
Quantum mechanics is how the world works at deepest levels. But nobody has any idea why.
Closer To Truth
Topics: Entanglement Quantum Gravity Quantum Mechanics Relativity Superposition
Demon in the Details of Quantum Thermodynamics
Researchers find quantum ‘Maxwell’s Demon’ may give up information to extract work.
Washington University in St. Louis
Topics: Information Particles Quantum Mechanics Superposition
The Human Eye Could Help Test Quantum Mechanics
Experiments to confirm we can see single photons offer new ways to probe our understanding of quantum reality.
Quantum Physics May Be Even Spookier Than You Think
A new experiment hints at surprising hidden mechanics of quantum superpositions.
Causality in a Quantum World
The clever use of quantum superposition can create situations in which cause-and-effect relationships between events are not well-defined.
Physics Today
How Quantum Trickery Can Scramble Cause and Effect
Logic-defying experiments in quantum causality can twist the notion of time itself.
Nature
Topics: Entanglement Quantum Mechanics Superposition
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