At the turn of the century, it sounded as if string theory could give us big answers about the universe. Well… has it?

One company that's emerged as a perceived leader in the space is IonQ ( IONQ 6.85%), which uses trapped-ion technology to ...

Vincenzo Savona, head of the Laboratory of Theoretical Physics of Nanosystems. 2025 EPFL/Murielle Gerber- CC-BY-SA 4.0 ...

String theory unifies all the forces of nature. Forces that seem very different, such as gravity and electricity, are deeply ...

Quantum mechanics has at last been formulated exclusively with real numbers, bringing a mathematical puzzle at the heart of ...

For years quantum technology seemed exciting in theory but not much good in practice. Now the ability to combine qubits—bits ...

In A Nutshell When two different types of cosmic strings become linked in the early universe, they form stable knots that ...

In February 2025, scientists successfully teleported quantum information between two quantum computers six feet apart.

In 1980, Stephen Hawking gave his first lecture as Lucasian Professor at the University of Cambridge. The lecture was called ...

From Fundamental Concepts to Dynamical Mechanisms, by Wolfgang Bietenholz and Uwe-Jens Wiese, Cambridge University Press.

Unifying gravity and quantum theory remains a significant goal in modern physics. Despite the success in unifying all other fundamental interactions (electromagnetism, strong force and weak force) ...

Physics is this close to understanding the entire universe. And what lives in this gap? Many physicists think it’s the ...