If you enjoyed this article, I’d like to ask for your support. Scientific American has served as an advocate for science and industry for 180 years, and right now may be the most critical moment in ...

Ladders come in a range of styles to suit any number of applications, but step ladders are most common for indoor use. These fold-out, A-frame ladders tend not to surpass 10 feet and typically have ...

Whether you’re cleaning gutters, installing a new ceiling fan, or painting a new room, you’re going to need a ladder to get the job done. There are a lot to choose from, including step ladders for ...