Experiment observes quantum radiation reaction as electrons hit an ultra-intense laser

For the first time, a quantum radiation reaction in strong electromagnetic fields has been demonstrated experimentally by ...
IEEE

Design, Implementation, and Medical Applications of 2-D Ultrasound Sparse Arrays

Abstract: An ultrasound sparse array consists of a sparse distribution of elements over a 2-D aperture. Such an array is typically characterized by a limited number of elements, which in most cases is ...

Ultrasound-based approach to delivering potent drugs into cancer cells shows promise in benchtop experiments

Engineers at Duke University have demonstrated a technique that uses microbubbles and ultrasound to help relatively large ...
Frontiers

MR-guided Focused Ultrasound Treatment Techniques in Cancers: from Physics to Clinics

MR guided focused ultrasound (MRgFUS) treatment in cancers is a technique that uses high intensity focused ultrasound under the guidance of MR images to treat malignant tumors. The focused beam from ...
IEEE

AAU-Net: An Adaptive Attention U-Net for Breast Lesions Segmentation in Ultrasound Images

Abstract: Various deep learning methods have been proposed to segment breast lesions from ultrasound images. However, similar intensity distributions, variable tumor morphologies and blurred ...
archive

College Physics

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The Guardian

Too many GCSE exams are bad for health

The government’s curriculum review needs to be bold and cut what’s not working for young people, says Myles McGinley. Plus a letter from Prof Michael Bassey The emerging evidence on exams and mental ...