
Physics World is celebrating the 2025 International Year of Quantum Science and Technology (IYQ), which aims to raise global awareness of quantum physics and its applications. Stayed tuned to Physics World and our international partners throughout the year for our coverage of the IYQ. You can also see how IOP Publishing's quantum-related journals are marking the year through ongoing activities.
Quantum mechanics allows events to occur with indefinite causal order, as Hamish Johnston discovers
Ana María Cetto and Luis de la Peña explain why quantum science must stay focused on foundations
Hamish Johnston talks to Elise Crull, Artur Ekert and Stephanie Simmons about the links between quantum technology and quantum fundamentals
Here are some of the many quantum careers we have featured on Physics World. For more jobs and career information, check out the new Physics World Jobs hub.
Emily Edwards and Claudia Fracchiolla discuss challenges and opportunities in quantum education
Katherine Skipper and Tushna Commissariat interview three experts in the quantum arena, to get their advice on careers in the quantum market
Take a look at our free-to-read digital issue of Physics World Quantum Briefing, which commemorates the centenary of quantum mechanics and celebrates the 2025 International Year of Quantum Science and Technology with a selection of articles on the history, mystery and industry of quantum mechanics.
Read article: Chip-integrated nanoantenna efficiently harvests light from diamond defects
Nearly all light emitted by nitrogen-vacancy centres can be collected, providing a boost for these room-temperature quantum technology platforms
Read article: Precision sensing experiment manipulates Heisenberg’s uncertainty principle
Though the principle is not violated, a new way of fudging its restrictions could lead to improvements in ultra-precise sensing, say physicists
Read article: Single-phonon coupler brings different quantum technologies together
Waveguide-style approach promises to pair the versatility of phononic quantum technologies with the tight control of photonic ones
Read article: Physicists achieve first entangled measurement of W states
Breakthrough in Japan could pave the way for robust quantum communication and scalable networks
Read article: Physicists apply quantum squeezing to a nanoparticle for the first time
Demonstration could shed light on the nature of the classical-quantum transition for small objects
Read article: Bayes’ rule goes quantum
New work could help improve quantum machine learning and quantum error correction
Read article: Queer Quest: a quantum-inspired journey of self-discovery
Exploring how quantum ideas can inspire liberation, identity and community
Read article: Quantum computing and AI join forces for particle physics
We explore how new computing technologies could guide future LHC experiments
Read article: Illuminating quantum worlds: a Diwali conversation with Rupamanjari Ghosh
The 2025 Homi Bhabha lecturer Rupamanjari Ghosh is a leading expert in quantum optics and a transformative figure in higher education and science policy in India
Read article: Quantum computing on the verge: a look at the quantum marketplace of today
Philip Ball dives into the latest developments in the quantum-computing industry
Read article: From quantum curiosity to quantum computers: the 2025 Nobel Prize for Physics
Quantum physicist and entrepreneur Ilana Wisby on the legacy of this year’s laureates
Read article: Advances in quantum error correction showcased at Q2B25
Isabelle Dumé reports from the Q2B quantum conference in Paris, France
Read article: John Clarke, Michel Devoret and John Martinis win the 2025 Nobel Prize for Physics
Trio honoured for their work on quantum tunnelling in superconducting circuits
Read article: Be a part of our quantum celebration
Attend our special community celebration that traces the remarkable journey of quantum physics and its transformative potential for the future
Read article: Negative time observed in photon-atom interaction
Researchers find that a photon can spend a negative amount of time in an excited atomic state while passing through a cloud of atoms
Read article: Bridging the gap between scientists, policy makers and industry to build the quantum ecosystem
Elizabeth Pasatembou and Dimitrie Cielecki discuss their experience of doing science policy engagement during their PhDs
Read article: Harnessing quantum duality for object imaging
Wave and particle properties can encode information about the shape of an object
Read article: Compact diamond magnetometer detects metastatic tumours
Diamond-based magnetic sensor is small enough for use in endoscopy and keyhole surgery
Read article: Delft Circuits: cryogenic RF cable innovations offer a flexible path to quantum scalability
The Dutch manufacturer Delft Circuits is rewriting the rules of I/O cabling technology for full-stack quantum computing systems
Read article: Physicists extend the wave nature of large objects
Increasing the wave-like behaviour of nanoparticles brings fundamental quantum tests one step closer
Read article: Quantum gas keeps its cool
New measurements on Bose–Einstein condensate could help us better understand how objects transition from being quantum and ordered to classical and chaotic
Read article: Protein qubit can be used as a quantum biosensor
A qubit encoded in a fluorescent protein could act as a sensor to measure quantum properties inside living systems
Read article: Quantum fluid instability produces eccentric skyrmions
New finding advances our understanding of complex topological quantum systems and could help in the development of next-generation memory and storage devices
Read article: Zero-point motion of atoms measured directly for the first time
Explosive technique images collective quantum fluctuations