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Two people in hi-vis with a large metal object in an underground cavern

Delta.g wins IOP’s qBIG prize for its gravity sensors

Portable instrument detects underground infrastructure using quantum interference

‘Chatty’ artificial intelligence could improve student enthusiasm for physics and maths, finds study

Learning physics concepts from chatbots could enhance students’ positive emotions of the subject

General Fusion lays off staff due to ‘unexpected and urgent financing constraints’

Canadian firm says it is needs to “navigate a difficult environment”

Quantum
News

India must boost investment in quantum technologies to become world leader, says report

First report by the National Quantum Mission also warns that India needs to improve its quantum security

Harvard University sues Trump administration as attacks on US science deepen

Harvard University is suing the US government over its plan to block up to $9bn of government research grants to the institution

Researchers claim Trump administration is conducting ‘a wholesale assault on science’

Some 1900 members of the US National Academies of Sciences, Engineering, and Medicine have signed an open letter condemning the policies introduced by Donald Trump

Research updates

Plasma physics sets upper limit on the strength of ‘dark electromagnetism’

Result could force a rethink on basic models of dark matter, say researchers

Illustration showing an orange sphere hovering in space within a dark blue hemispherical curved mirror. A standing light wave, shown in red, relects from the mirror and a stream of information, represented by 1s and 0s written in a wavelike form, radiates outward

Quantum effect could tame noisy nanoparticles by rendering them invisible

Theoretical proposal suggests a way of eliminating backaction noise in nanoparticles levitated with light

Photo of two tips made of diamond in close contact

Evidence for a superconducting gap emerges in hydrogen sulphides

Finding confirms that electron pairing in these high-temperature, high-pressure superconductors is mediated by phonons

Smartphone sensors and antihydrogen could soon put relativity to the test

Camera components will improve precision of moiré deflectometer

Diagram showing what happens when a neutron beam hits scored lines on a grating pattern. Two lines of dots coming out of the grating pattern (representing the Airy beam) at left follow a curved path and create triangular areas on the detector at right.

Neutron Airy beams make their debut

Curved beams could be used in fundamental quantum studies and advanced imaging techniques

First light: The cosmic microwave background, as imaged by the European Space Agency’s Planck mission. (Courtesy: ESA and the Planck Collaboration)

Loop quantum cosmology may explain smoothness of cosmic microwave background

Repulsive gravity at the quantum scale would have flattened out inhomogeneities in the early universe

Physics World Jobs

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Features

‘We must prioritize continuity and stability to maintain momentum’: Mauro Paternostro on how to ensure that quantum tech continues to thrive

Quantum physicist Mauro Paternostro shares his views on the quantum future

Asian woman wearing glasses sat at a desk with a computer monitor showing plastic displays

Organic magic: Ji-Seon Kim on how carbon-based semiconductors are shaping our present and future

Ji-Seon Kim talks about the transformative potential of carbon-based semiconductors and the benefits of tangible experiences in the lab

Curiouser and curiouser: delving into quantum Cheshire cats

Iulia Georgescu tumbles down the rabbit-hole to explore the curiosity that is a quantum Cheshire cat

Grete Hermann: the quantum physicist who challenged Werner Heisenberg and John von Neumann

Sidney Perkowitz pays tribute to the pioneering contributions to quantum physics by Grete Hermann

Illustration of two pots of water being heated. One is next to a blindfolded Zeno and is boiling. The other is watched by Zeno and is not boiling

The quantum Zeno effect: how the ‘measurement problem’ went from philosophers’ paradox to physicists’ toolbox

A stand-out example of quantum weirdness is turning out to be surprisingly useful, as Margaret Harris explains

‘The thrill of discovering something is a joy’: biophysicist Lisa Manning reflects on the surprising collaborations and intentional steps that have shaped her career

Lisa Manning explains her research on tissue development and reflects on the changes she has made to her mentoring style during her career

From the blog

Ray Dolby Centre opens at the University of Cambridge

The centre is also the new home of Cambridge’s Cavendish Laboratory

The mechanics behind rose petal shapes revealed

It’s all about geometric frustrations

Spectacular images of the cosmos released to celebrate Hubble’s 35 years in orbit

A series of spectacular images of the cosmos has been released to celebrate the Hubble Space Telescope's 35 years in space

Stack of 11 tennis balls arranged with a base of 5n+1

Tennis-ball towers reach record-breaking heights with 12-storey, 34-ball structure

Andria Rogava is back with more spectacular structures made from tennis balls

Photo of two people in chairs at a meeting

People
Blog

Physicists gather in Nottingham for the IOP’s Celebration of Physics 2025

Matin Durrani reports from the 2025 IOP Celebration of Physics in Nottingham, UK

Fusion industry meets in London to discuss ‘one of the economic opportunities of the century’

The inaugural Fusion Fest by Economist Impact featured more than 450 attendees from around the world

Analysis

Electrolysis workstation incorporates mass spectrometry to accelerate carbon-dioxide reduction research

Scribner's 670 Electrolysis Workstation is used to develop systems that convert electrical energy into fuels and chemical feedstocks

Woman pointing a pen at a computer screen covered in graphs

On the path towards a quantum economy

Feasibility studies are enabling industry experts to collaborate with quantum specialists to discover the potential benefits of quantum computing for their businesses and their cus...

Design concept of a FLASH-VHEE radiotherapy system

Very high-energy electrons could prove optimal for FLASH radiotherapy

THERYQ is developing a radiotherapy system that uses very high-energy electrons to treat deep-seated tumours, and can also enable FLASH treatments

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