Have you ever wondered how an Allen screw is made? In this quick and easy DIY guide, we show you the fast process of creating your very own Allen screw with minimal tools and time. Whether you're a ...

Some screws are turned by hand, others lost their head, and one looks like a sea monster. It might be time you read up on ...

A super-bunker, that’s located inside a Colorado mountain, can remarkably survive a nuclear attack.

An arrayed differential flexible butterfly-shape eddy current sensor is proposed to detect the surface defect of iron screw thread in this paper, which has one butterfly-shape coil, four sets of ...

Cross threading occurs when the bolt is misaligned with the threads in the nut. It can destroy the threads, or cause the nut to jam. The standard beveled end process makes cross threading a ...

Disney's fans are baffled by Disney's Imagineering's latest effort to fix the lighting in CommuniCore Plaza at EPCOT.