The Dynaco ST-70 is one of the most popular tube amplifiers ever. First released in 1959, it's still sought after by hi-fi enthusiasts today.

Incorporating silver in ZnO has attracted a lot of interest in recent years to fabricate p-type ZnO, as the naturally occurring ZnO is n-type material due to its native defects such as zinc ...

Electromagnetic forming (EMF) is a kind of high-energy-rate forming technology which uses pulsed electromagnetic forces to achieve rapid plastic deformation of workpieces. It can significantly improve ...

Concentric tube robots (CTRs) have drawn significant research attention over the years, particularly due to their applications in minimally invasive surgery (MIS). Indeed, their small size, ...

Ulna and Radius Fractures: What You Need to Know The forearm is made up of two bones, the ulna and the radius. A forearm fracture can occur in one or both of the forearm bones. Some of the causes ...

The Carroll Community School District (CCSD) Board of Education has approved limiting bus routes to serve students outside a two-mile radius to accommodate the shortage of drivers. During the last ...

Tube breakage has almost as many causes as there are tubes to be broken. Assessing the particulars takes a careful evaluation of dies, mandrels, material specs, and weld seam location. Jay Robinson ...

Climate Solutions Trash sucks: A Norwegian city uses vacuum tubes to whisk waste away Bergen, Norway, has been building one of the world’s most advanced trash systems in its 955-year-old city ...