In Pennsylvania, where 13 percent of the bridges have been classified as structurally deficient, engineers are using artificial intelligence to create lighter concrete blocks for new construction. Another project is using A.I. to develop a highway wall that can absorb noise from cars — and some of the greenhouse gas emissions that traffic releases as…
A rescue helicopter that was experiencing mechanical trouble caught fire and crashed into an apartment building in Pompano Beach, Fla., on Monday morning, killing two people and injuring four others, the authorities said. The Broward Sheriff Fire Rescue helicopter was en route to provide medical assistance to a mother and daughter who had been a…
Plans were underway to demolish a six-story apartment building that partially collapsed in Iowa over the weekend, officials said, after at least nine people were pulled from the damaged structure. More than a dozen people were initially escorted out of the building when it collapsed in Davenport, in eastern Iowa, on Sunday afternoon, and eight…
PHILADELPHIA — A building collapsed in Philadelphia early on Saturday morning, killing one firefighter and trapping several others and a building inspector, the Philadelphia Fire Department said. Many of those trapped were rescued and taken to hospitals, the department said. But a 27-year veteran of the department was pronounced dead at the scene, and two…