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.

This paper introduces a 3D soft carbon electrode array, fabricated through a one-step laser-induced process integrating a water-dissolvable polyvinyl alcohol (PVA) mask. This approach achieves precise ...

The deformation of flexible materials in near-space environments varies with altitude and temperature, impacting the performance of sensor arrays mounted on their surfaces. Although stereo vision ...