Abstract: Identifying a person by his or her voice is an important human trait most take for granted in natural human-to-human interaction/communication. Speaking to ...

Step by step tutorial on how to build a LEGO vending machine using standard bricks. This guide explains the full construction process with a simple manual dispenser that releases small items like ...

This advice is intended for the general public and is not intended for occupational health purposes, including health care settings. masks help contain the infectious respiratory particles you produce ...