Physics World

Physics World is the official magazine for members of the Institute of Physics, a leading organization in the field of physics globally. This monthly publication focuses on various topics within both pure and applied physics and is intended for physicists involved in research, industry, education, and outreach efforts around the world.

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Radiosurgery made easy: the role of the Gamma Knife in modern radiotherapy – Physics World

1 week ago | physicsworld.com | Hamish Johnston

Skip to main content Discover more from Physics World Copyright © 2025 by IOP Publishing Ltd and individual contributors...
Robert P Crease lifts the lid on 25 years as a 'science critic' – Physics World

1 week ago | physicsworld.com | Robert P. Crease

A quarter of a century after he started writing his “Critical Point” column, Robert P Crease reveals his underlying message A quarter of a century ago, in May 2000, I published an article entitled “Why science thrives on criticism”. The article, which ran to slightly over a page in Physics World magazine, was the first in a series of columns called Critical Point. Periodicals, I said, have art and music critics as well as sports and political commentators, and book and theatre reviewers too....
Very high-energy electrons could prove optimal for FLASH radiotherapy – Physics World

1 week ago | physicsworld.com | Tami Freeman

THERYQ is developing a radiotherapy system that uses very high-energy electrons to treat deep-seated tumours, and can also enable FLASH treatments Electron therapy has long played an important role in cancer treatments. Electrons with energies of up to 20 MeV can treat superficial tumours while minimizing delivered dose to underlying tissues; they are also ideal for performing total skin therapy and intraoperative radiotherapy. The limited penetration depth of such low-energy electrons,...
Tiny sensor creates a stable, wearable brain–computer interface – Physics World

1 week ago | physicsworld.com | Tami Freeman

Brain–computer interfaces (BCIs) enable the flow of information between the brain and an external device such as a computer, smartphone or robotic limb. Applications range from use in augmented and virtual reality (AR and VR), to restoring function to people with neurological disorders or injuries. Electroencephalography (EEG)-based BCIs use sensors on the scalp to noninvasively record electrical signals from the brain and decode them to determine the user’s intent.
Physicists gather in Nottingham for the IOP's Celebration of Physics 2025 – Physics World

1 week ago | physicsworld.com | Matin Durrani

With so much turmoil in the world at the moment, it’s always great to meet enthusiastic physicists celebrating all that their subject has to offer. That was certainly the case when I travelled with my colleague Tami Freeman to the 2025 Celebration of Physics at Nottingham Trent University (NTU) on 10 April. Oganized by the Institute of Physics (IOP), which publishes Physics World, the event was aimed at “physicists, creative thinkers, and anyone interested in science”.
The quantum Zeno effect: how the ‘measurement problem’ went from philosophers’ paradox to physicists’ toolbox – Physics World

1 week ago | physicsworld.com | Margaret Harris

Part of our International Year of Quantum Science and Technology coverageFor the International Year of Quantum Science and Technology, Physics World is shining a spotlight on quantum effects so “weird” they make superposition and entanglement seem almost ordinary.
Researchers claim Trump administration is conducting 'a wholesale assault on science' – Physics World

1 week ago | physicsworld.com | Peter Gwynne

The US administration is carrying out “a wholesale assault on US science” that could hold back research in the country for several decades. That is the warning from more than 1900 members of the US National Academies of Sciences, Engineering, and Medicine, who have signed an open letter condemning the policies introduced by Donald Trump since he took up office on 20 January.
Fusion industry meets in London to discuss 'one of the economic opportunities of the century' – Physics World

2 weeks ago | physicsworld.com | Michael Banks

“Fusion is now within reach” and represents “one of the economic opportunities of the century”. Not the words of an optimistic fusion scientist but from Kerry McCarthy, parliamentary under-secretary of state at the UK’s Department for Energy Security and Net Zero. She was speaking on Tuesday at the inaugural Fusion Fest by Economist Impact. Held in London, the day-long event featured 400 attendees and more than 60 speakers from around the world.
Non-invasive pressure sensor could revolutionize how brain injuries are diagnosed – Physics World

2 weeks ago | physicsworld.com | Hamish Johnston

This episode of the Physics World Weekly podcast features an interview with Panicos Kyriacou, who is chief scientist at the UK-based start-up Crainio. The company has developed a non-invasive way of using light to measure the pressure inside the skull. Knowing this intracranial pressure is crucial when diagnosing traumatic brain injury, which a leading cause of death and disability.
Don't have a PhD? The quantum industry still wants you... – Physics World

2 weeks ago | physicsworld.com | Matin Durrani

Part of our International Year of Quantum Science and Technology coverage Matin Durrani reports from the ninth annual Careers in Quantum event, held on 4 April 2025 in Bristol, UK Andrew Martin, skills policy lead at the UK’s Department for Science, Innovation and Technology (DSIT), flashed up a slide. Speaking at the ninth Careers in Quantum event in Bristol last week, he listed the eight skills that the burgeoning quantum-technology sector wants. Five are various branches of engineering,...