Microscopy techniques based on electrons and X-ray photons have been used to 'look' inside matter for decades. In the past few years, advances in instrumentation and software have led to ...

Dual-energy X-ray absorptiometry (DXA, or formerly DEXA) is a technique used to measure bone mineral density (BMD). The preferred regions for BMD measurement are lumbar spine, proximal femur and whole ...

The most effective way to reduce dose in dental radiography is to avoid unnecessary X-ray examinations by justification. Routine dental X-ray examination for all patients is not justified In addition, ...

It pays homage to the first X-ray ever taken, which was captured about 130 years ago. In 1895, when German physics professor Wihelm Röntgen was experimenting with cathode rays, he accidentally ...

More information: N. La Palombara et al, The persistent nature of the Be X-ray binary pulsar 4U 0728-25, arXiv (2025). DOI: 10.48550/arxiv.2503.22259 Journal information: arXiv ...