Describe the issue: When creating a NumPy array from a list of lists with dtype=object, NumPy implicitly promotes inner lists to ndarray if their lengths are uniform, but keeps them as list if not.

: To assess the role of brain hemodynamics in neurodegenerative diseases, current imaging technologies remain insufficient due to limitations in spatial or temporal resolution for quantitative mapping ...

Planar-configured phased arrays with typical beam coverage of ±60° can’t meet the increasing demands for wider beam coverage, like the ±90° needed in low-altitude aerial vehicle applications. Existing ...

High-content, high-throughput (HCHT) screening platforms are essential for drug discovery, yet conventional 2D assays lack physiological relevance, and current 3D spheroid systems often face ...