In the late 1970s, legendary physicist John Wheeler proposed a radical question: Exactly when does the universe notice that we're paying attention to a quantum experiment? And does it really matter?

A recent experiment at Fermilab has delivered intriguing results that challenge standard predictions, adding fuel to the ongoing quest for quantum gravity. These findings, which involve the behavior ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. A visualization of how the earth creates a warp in spacetime, in line with general relativity ...

Physicists have coaxed clusters of thousands of atoms into a delicate quantum limbo, creating a record breaking version of ...

Quantum computers struggle because their qubits are incredibly easy to disrupt, especially during calculations. A new ...

A century-old thought experiment on wave–particle duality is brought into the laboratory using a single trapped atom ...

Some researchers believe consciousness is a byproduct of the constantly firing web of neurons in our heads. However, others believe something more theoretical must be involved to explain our complex ...

The team have pushed the boundaries of quantum mechanics beyond what some thought possible. Now they want to go even further ...

A breakthrough optical design allows quantum computers to read information in parallel, a key step toward building ...

Quantum mechanics has puzzled scientists and philosophers for more than a century. One of the most famous quantum thought experiments is that of the "Schrödinger's cat"—a cat whose life or death ...