Quartz watches have long been divisive. To some, they represent keenly priced quality; to others, they’re simply cheap. Recently, however, even die-hard snobs have softened their stance. And for ...

Stribeck Diagram Schematic diagram showing relationships among wear, friction and film thickness, is presented in Fig. 14, from Bayer (1994). This Figure also highlights region of mixed lubrication, ...

Bulova revived a beloved 1970s nautical chronograph and equipped it with an ultra-high-beat Precisionist quartz movement.

Long scorned despite being cheaper and more accurate than their mechanical counterparts, quartz watches are finally getting some love.

Caption Figure 1 Schematic diagrams of two superconducting flux qubit circuits. The conventional qubit (a) requires an external magnetic field to operate optimally, while the new flux qubit (b ...

Darker colours represent higher levels of particulate matter known as PM. https://airqualitystripes.info/, CC BY-ND In 2021, the World Health Organization issued new guidelines for air quality ...

The diagrams have been so successful that it can be hard to remember that our cells are not, in fact, filled with colorful ribbons and broad arrows. The Face of Proteins The pencil smudges on ...