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Physics

Gravity gets a quantum boost

Despite its 300-year history, Newton's gravitational constant, G, is the least well-measured of all the fundamental constants, but quantum mechanics may help

News

Technology

Quantum computers? Don't hold your breath

News

The Big Questions: Will we ever have a theory of everything?

Space

The Big Questions: Will we ever have a theory of everything?

Features

The Big Questions: What is reality?

Physics

The Big Questions: What is reality?

Features

Introduction: Quantum World

Physics

Introduction: Quantum World

News

Quantum computers: March of the qubits

Technology

Quantum computers: March of the qubits

Features

Black holes: The ultimate quantum computers?

Space

Black holes: The ultimate quantum computers?

News

Quantum computer works best switched off

Technology

Quantum computer works best switched off

News

Space

The word: Tachyons

Regulars

Is string theory in trouble?

Space

Is string theory in trouble?

Leonard Susskind, who invented it, doesn't think so. He says its description of multiple universes, each with different constants of nature and laws of physics, could reveal why the cosmological constant appears improbably fine-tuned to enable life to exist

Opinion

Space

Nobel laureate admits string theory is in trouble

News

Technology

Quantum bubbles are key to extreme computing

News

Technology

Attack of the quantum worms

Features

Technology

Quantum computing switches wavelengths

News