German inventor Klaus Krinner, who created a Christmas tree stand that bears his surname in 1987, was given the humble task ...

Cornell scientists have developed a novel technique to transform symmetrical semiconductor particles into intricately twisted ...

Figure 1.3.3: Meshing compatible helical gears Helical gears can mesh in a second manner that is different from spur gears: they can turn on skew, or crossed axes. These are also sometimes called ...

F or one great American carmaker, the early 2000s was all about organizing a big birthday party. But instead of some jelly ...

It can destroy the threads, or cause the nut to jam. The standard beveled end process makes cross threading a possibility because the beveled partial threads can pass each other when the screw enters ...

The helical groove in the drill bit is called the flute ... 30 hand piece of a flex shaft. Secure the worn drill bit in a screw mandrel and brace against the bench pin as you position the bit to be ...