IN discussing the Joule-Kelvin effect for a fluid like hydrogen, which shows an inversion point above which heating takes place on free expansion, it is usually assumed that this point is unique. Thus ...

Ashlyn is one of Forbes Home's in-house writers and a former civil engineer-turned content writer with over six years experience. Until recently, Ashlyn focused on creating content for Forbes Home as ...

研究组训练了一个神经分类器，用于识别来自160097名软件开发者所提交的超过3000万个GitHub代码段中人工智能（AI）生成的Python函数，并追踪这些工具的普及速度及其普及范围。目前美国约29%的Python函数由AI生成，虽领先其他国家但优势正逐渐缩小。据此估算，以在线代码贡献为衡量标准，季度产出相应增长了3.6%。

BACKGROUND: Mental stress-induced myocardial ischemia is often clinically silent and associated with increased cardiovascular risk, particularly in women. Conventional ECG-based detection is limited, ...