Medical physics
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Physics‑based simulations help diagnose and treat disease
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Polarization-sensitive photoacoustic microscopy reveals heart tissue health
Label-free imaging technique can distinguish diseased cardiac tissue from healthy tissue and identify different types of fibrosis
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The 2026 edition of Physics World Careers is packed full of advice for early-career scientists. Including a range of valuable advice, informative case studies and recruiter profiles, it demonstrates the variety of jobs that use a physics degree.
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Medical physics and biotechnology: highlights of 2025
From vision-restoring implants to quantum-based diagnostics, Tami Freeman looks back at some of this year’s healthcare innovations
Read article: Medical physics and biotechnology: highlights of 2025
Leftover gamma rays produce medically important radioisotopes
GeV-scale bremsstrahlung from an electron accelerator can be used to produce copper-64 and copper-67
Read article: Leftover gamma rays produce medically important radioisotopes
Non-invasive wearable device measures blood flow to the brain
Speckle contrast optical spectroscopy provides a cost-effective way to assess cerebral blood flow for diagnosis of neurological disorders
Read article: Non-invasive wearable device measures blood flow to the brain
High-resolution PET scanner visualizes mouse brain structures with unprecedented detail
A PET scanner with optimized depth-of-interaction detectors achieves a record sub-0.5 mm spatial resolution
Read article: High-resolution PET scanner visualizes mouse brain structures with unprecedented detail
Ultrasound probe maps real-time blood flow across entire organs
Multi-lens array probe visualizes the micro-vasculature of entire large organs without compromising image resolution or frame rate
Read article: Ultrasound probe maps real-time blood flow across entire organs
Tumour-specific radiofrequency fields suppress brain cancer growth
Low-level radiofrequency therapy inhibited the growth of glioblastoma cells and demonstrated clinical benefit in a patient with brain cancer
Read article: Tumour-specific radiofrequency fields suppress brain cancer growth
Fingerprint method can detect objects hidden in complex scattering media
Novel imaging technique can find objects buried within in opaque environments, including biological tissues
Read article: Fingerprint method can detect objects hidden in complex scattering media
A SMART approach to treating lung cancers in challenging locations
Stereotactic MR-guided adaptive radiotherapy could prove a safe and effective treatment option for patients with centrally located lung cancers
Read article: A SMART approach to treating lung cancers in challenging locations
Resonant laser ablation selectively destroys pancreatic tumours
A mid-infrared femtosecond laser tuned to the collagen absorption peak can ablate pancreatic cancer while preserving healthy pancreatic tissues
Read article: Resonant laser ablation selectively destroys pancreatic tumours
Researchers visualize blood flow in pulsating artificial heart
Four-dimensional flow MRI reveals that blood flow in an artificial heart resembles that in a healthy human heart
Read article: Researchers visualize blood flow in pulsating artificial heart
Evo CT-Linac eases access to online adaptive radiation therapy
The Elekta Evo provides flexible options for cancer centres looking to implement adaptive radiation therapy
Read article: Evo CT-Linac eases access to online adaptive radiation therapy
Perovskite detector could improve nuclear medicine imaging
A lead halide material can detect and image single gamma-ray photons with both high-spatial and high-energy resolution
Read article: Perovskite detector could improve nuclear medicine imaging
ASTRO 2025: expanding the rules of radiation therapy
A look at some of the more unconventional applications of radiation therapy reported at the ASTRO 2025 meeting
Read article: ASTRO 2025: expanding the rules of radiation therapy
Leo Cancer Care launches first upright photon therapy system
The Grace radiotherapy system delivers conventional X-ray radiation therapy to patients in the upright position
Read article: Leo Cancer Care launches first upright photon therapy system
AI-powered algorithms help provide rapid, accurate contouring of brain metastases
Deep learning-based contouring of multiple brain metastases eases clinical workload when planning stereotactic radiosurgery treatments
Read article: AI-powered algorithms help provide rapid, accurate contouring of brain metastases
MRID3D phantom eases the introduction of MRI into the radiotherapy clinic
The QUASAR MRID3D geometric distortion analysis system from IBA Dosimetry enables physicists to exploit the power of the MR-only radiotherapy workflow
Read article: MRID3D phantom eases the introduction of MRI into the radiotherapy clinic
Optimizing upright proton therapy: hybrid delivery provides faster, sharper treatments
Adding shoot-through proton layers to static proton arcs improves plan quality and reduces treatment times for upright proton therapy
Read article: Optimizing upright proton therapy: hybrid delivery provides faster, sharper treatments
Radioactive ion beams enable simultaneous treatment and imaging in particle therapy
Researchers demonstrate the first treatment of an animal tumour using radioactive carbon ion beams
Read article: Radioactive ion beams enable simultaneous treatment and imaging in particle therapy
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