An active two-way current sink/source mirror (ATWCM) where input current source is mirrored as a sink current.

This easy-to-build walking reindeer can be constructed with only a bow motor, battery, wires, and a few other parts.

Carla Tardi is a technical editor and digital content producer with 25+ years of experience at top-tier investment banks and money-management firms. Other current liabilities are short-term debts not ...