The main parts of the pen mouse include a cheap mouse with a failing scroll wheel, a bingo pen, and the base from an old web camera. There’s also a normal-sized pen to act as the handpiece.

Scientists say the map of a speck of a mouse's brain could be as transformative as the Human Genome Project. Here's what to know.

The idea is that fewer moving parts translate into less mechanical wear and longer life. ... Inside the shell of an optical mouse are a few key components.

The Magic Mouse has a notoriously low and flat profile that prevents it from properly fitting in the hands of many users. Using 3D-printed parts, Kuleshov made an outer shell to raise and slightly ...