Portable battery-powered devices often spend most of their life in standby mode, in which the quiescent current of an internal boost converter continuously bleeds the battery. The quiescent current ...

What is quiescent imaging, and how it has evolved. A look at the HOV Alvin submersible. The evolving digital still camera and improvements in subsea lighting. Deep-sea science has been a big user of ...

What is clear is that either substantial revisions of the physical ingredients of galaxy formation and possibly our standard model of cold-dark-matter halo assembly are needed to explain the rapid ...

Operational amplifiers — or op amps, as you probably call them — have long been a key building block in analog circuits. It’s true even in our digital age as op amps are tapped to handle useful ...