There’s a certain risk of falling any time you use a ladder, but the risk multiplies by several times when you use a ladder on stairs. And the problem is — whether you’re installing or repairing ...

My old wood deck is deteriorating and the stairs could be hazardous. What is the easiest way to install new ones for an inexperienced DIY-er?

Robot vacuums have long struggled with multi-floor dwellings, but new stair-climbing models could offer a solution.

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When fires break out in high-rise buildings, firefighters face the difficult task of battling blazes while evacuating people from high and hard-to-access places. "High-rise fires are very ...