In a new study, researchers examined what we know about how stairs work as an emergency evacuation route and found that the answer is... not nearly enough. Most of the time, we use the stairs in ...

If he could not use an elevator, Langevin said, the House was equipped with an evacuation chair that would allow him to get down the stairs quickly. Langevin said Livingood and members of the ...

examined what is known about how stairs work as an emergency evacuation route. Their answer? Not nearly enough. NIST researchers studied people movement speeds during three full-building fire drill ...