Spring-loaded plungers use a spring and a plunger (or ball tip) to exert a precise and repeatable force. They are a better option than having engineers cobble together an assembly that uses a simple, ...

[Editor's note: Peter rewrote this article after a reader pointed out he over-engineered his original solution. ("What can I say: The code worked -- I just didn't need nearly as much code as I thought ...

Kristin is a lead editor at Forbes Home and has nearly a decade of professional experience as a writer and editor. She's previously worked at sites like Talking Points Memo, Insider, Delish, Angi and ...