They hold together everything from the most delicate watch to the largest bridge. The world is literally kept from coming apart by screws and bolts, and yet we don’t often give a thought to these ...

A special thread form keeps bolts and nuts tight under vibration by attacking the problem from a different angle. Two conventional methods for securing threaded fasteners against preload loss include ...

A combination of high-quality base materials, advanced coatings, and special edge preparations results in taps that generate precision threads, with good chip evacuation, shorter set-up times, and ...

Thanks to advances in materials and electronics, we are starting to see how our clothing might one day do more than keep us warm or protect us from the elements. Scientists at Chalmers University of ...