Physics World Weekly Podcast

Peer Review Week reveals the vital role of constructive feedback in science. Conversations highlight the negative impacts of unprofessional reviewer comments, particularly on early-career researchers. Innovations are discussed to foster a respectful review culture, including training programs for reviewers. Leading scientists share shocking and rude reviewer experiences, emphasizing the need for better communication practices. The episode also touches on initiatives that target biases affecting underrepresented groups in STEM, promoting a more inclusive and supportive scientific environment.

Mark Knight, chief healthcare scientist at NHS Kent and Medway, teams up with Fiammetta Fedele, head of non-ionizing radiation at Guy’s and St Thomas, to discuss the pivotal role of medical physicists in healthcare. They delve into how these experts ensure patient safety during radiotherapy and imaging procedures. The conversation also touches on the exciting potential of artificial intelligence in transforming medical technology while addressing ethical considerations. Innovations in patient treatment and safety protocols are highlighted, making the future of healthcare look promising.

Leticia Cugliandolo, a statistical physics expert and chief scientific director of JSTAT, joins Marc Mézard from Bocconi University to delve into the evolution of statistical physics. They discuss its applications in active matter and AI, highlighting its significance in modern research. The conversation shifts intriguingly to how intense storms, particularly Storm Ciarán, affect boiling points and, consequently, the quality of tea. The duo reveals fascinating connections between meteorology and our daily rituals, underscoring the science behind every cup.

Elena Blokhina, chief scientific officer at Equal1, and Brandon Grinkemeyer, a PhD student at Harvard, explore exciting developments in quantum computing. Elena discusses the promise of hybrid quantum–classical chips, utilizing quantum dots for efficiency. Brandon sheds light on neutral-atom qubits and their role in quantum optics and atomic physics. They highlight challenges in error correction and the quest for room temperature operation, emphasizing collaborative research shaping the future of this cutting-edge technology.

In August 1977, the Big Ear telescope captured a mysterious signal that sparked intrigue about extraterrestrial life. Scientists debate its origins, with recent research providing new, non-alien explanations. Abel Méndez and his team discuss their findings, linking astronomical observations to natural phenomena. The conversation dives into signal analysis, the limitations of early technology, and the evolving methods in the search for cosmic communication. Plus, there's a nod to CERN's 70th anniversary, blending history with contemporary scientific exploration.

In this engaging discussion, Swiss physicist Christophe Rossel, former president of the European Physical Society and IBM Research scientist, explores how physics can drive societal progress. He delves into the ambitious 'EPS Grand Challenges' book, highlighting how 115 physicists tackle pressing issues like climate change and health crises. Rossel emphasizes the need for clear science communication and interdisciplinary collaboration, revealing how physics intersects with global challenges and can shape a sustainable future.

In this engaging discussion, Margot Taylor, the director of functional neuroimaging at Toronto’s Hospital for Sick Children, reveals the groundbreaking use of optically-pumped magnetometers for monitoring children's brain development. These innovative sensors operate at room temperature and can detect subtle brain activity. David Woolger of Cerca Magnetics explains the technology behind the helmets, while Stuart Nicol from Quantum Exponential shares insights on quantum investments in medical tech. Together, they explore advancements in pediatric brain imaging and the impact on diagnosing conditions like autism and epilepsy.

Claudia de Rham and Ian Walmsley delve into the life of Abdus Salam, the first Pakistani Nobel laureate in physics. They discuss his groundbreaking contributions to the unification of forces and his role in establishing the International Centre for Theoretical Physics. Salam's legacy continues to inspire future generations, especially through initiatives planned for his centenary in 2026. The conversation highlights the importance of supporting physicists in developing countries and preserving Salam's remarkable impact on the global scientific community.

Margaret Arakawa, chief marketing officer at IonQ and a former economist, discusses her transition from classical computing to the quantum sector. She highlights the opportunities for non-physicists in quantum technology and the challenge of communicating its complexities to a general audience. Nat Mendelsohn shares insights on the student experience in physics, focusing on the lingering effects of the pandemic and the importance of inclusivity in academic environments. Together, they explore how the quantum field can attract diverse skill sets to thrive.

Our first guest in this episode of the Physics World Weekly podcast is Derek Sutherland, who is head of FuZE-Q physics at the US-based company Zap Energy. He explains how the US-based firm is designing a fusion system that does not rely on magnets, cryogenics or high-powered lasers to generate energy. We also chat about the small-scale fusion industry in general, and about career opportunities for physicists in the sector. This episode also features an interview with theoretical physicist and author Claudia de Rham. She talks to Physics World’s Matin Durrani about her new popular-science book The Beauty of Falling. They also chat about her research, which addresses a range of fundamental problems associated with gravity – from quantum to cosmological scales.   This episode is supported by Pfeiffer Vacuum. The company provides all types of vacuum equipment, including hybrid and magnetically-levitated turbopumps, leak detectors and analysis equipment, as well as vacuum chambers and systems. You can explore all of its products on the Pfeiffer Vacuum website.