Lithium cells outperform Nickel Cadmium and Nickel Metal Hydride in almost every way. But they also need a little bit more babysitting to get the most out of them. That comes in the form of ...

Milwaukee is a leader of innovation in the tool industry with the invention of this one technology that is used by every tool ...

Just as lithium-ion batteries have made nickel-cadmium cells boring and old hat, gallium nitride semiconductors are making silicon parts look unimpressive by comparison. [Brian Dipert] looked at ...

CARDIAC pacemakers have been in use for implanting into man for more than a decade and have relied chiefly on mercury or nickel cadmium cells as sources of power 1.