NASA/ESA Hubble Space Telescope provide evidence that this is indeed the case. The wonderful barred spiral galaxy NGC 2903 in the constellation of Leo is a well-known spring observing target for ...

In this video, we're going to show you how to craft an Aikuchi Tanto knife from a spiral spring. This is a fun and easy project that will give you a beautiful and durable knife. If you're interested ...

IN connexion with some work on gravitation, I felt the need of a spiral spring of greater delicacy than is ordinarily met with in the laboratory. With the help of my assistant, Mr. A. Glodenis, I have ...

Tapered roller bearings can be fixed and preloaded using shims and an end cap. There is a setting procedure to ensure the desired preload is achieved and the amount of end play (axial clearance) is ...