All posts tagged "Materialsscience"

The tanker truck full of gasoline lost control and burst into flames on a California highway exit ramp, blasting the bridge above it with intense heat. The bridge was supported by girders made of steel — the reliable workhorse material of modern infrastructure, used to support skyscrapers and bridges the world over. Yet it lasted all of 17 minutes. That fire, in Oakland, Calif. in April 2007, was eerily similar to what happened in Northeast Philadelphia on Sunday morning, when a tanker fire brought down an overpass on Interstate 95. Investigators have just begun to analyze what caused the 105-......

ORLANDO, Fla. — Dissolving Walt Disney World’s Reedy Creek Improvement District could saddle local taxpayers with about $1 billion in debt and leave local governments scrambling with how to take over vital services for Florida’s top tourist attraction. State legislators passed a bill Thursday that dissolves the district The Walt Disney Co. uses to self-govern its Florida theme park properties on June 1, 2023. Gov. Ron DeSantis, who has been battling with the entertainment giant, was expected to sign it into law. What happens next is unclear, but Orange County’s tax collector and other opponent......

SEATTLE — The litany of manufacturing defects on the 787 Dreamliner is expanding as Boeing engineers take apart planes and discover new or more widespread issues, an Federal Aviation Administration internal memo indicates. The FAA memo, which was circulated internally Monday and reviewed by the Seattle Times, points to new concerns about a previously unreported defect caused by contamination of the carbon fiber composite material during fabrication of the large structures that make up the 787’s wing, fuselage and tail. The memo also adds detail about the small out-of-tolerance gaps that have b......