For many people, jigsaws are a relaxing low-energy pastime, but at the World Jigsaw Championships competitors are speed building for trophies. The four-day event gathers 3,500 of the best puzzlers, ...

One of the often-cited benefits of metal building systems is the speed of construction, but what does that really mean? One thing it means is money. Speed has a real impact on the bottom line, in ways ...

In addition to making for a dramatic show, the research could help improve lightning rods, a technology that hasn't changed in 200 years, the scientists said. The video shows a tree of electrical ...