Engineering

How fire causes office-building floors to collapse

Engineers and technicians at the National Institute of Standards and Technology (NIST) spent months meticulously recreating the long concrete floors supported by steel beams commonly found in high-rise office buildings, only ...

Machine learning & AI

Monkeying about to solve problems

There are countless computer algorithms that simulate biological behavior from leaping frogs, to bat foraging, from cuckoo search to ant colony optimization. They all have something in common, the algorithm behaves like a ...

Energy & Green Tech

Bio-based chemicals could reduce fossil fuel use

Petrochemicals, the oil- and gas-derived compounds that serve as the molecular backbones for much of modern commerce, commanded a $539.3 billion market value in 2018.

Engineering

Origami, 3-D printing merge to make complex structures in one shot

By merging the ancient art of origami with 21st century technology, researchers have created a one-step approach to fabricating complex origami structures whose light weight, expandability, and strength could have applications ...