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 ...

Dear Kristin: People most often use step ladders to get up into the attic, but they are not very sturdy — especially when you have your arms full of stuff. The opening through the ceiling is often too ...

Scientific American is part of Springer Nature, which owns or has commercial relations with thousands of scientific publications (many of them can be found at www ...