WASHINGTON — Coronavirus cases, hospitalizations and deaths have been hitting records for weeks, as winter holidays continue and we enter the flu season. As headlines about hospitals reaching high ...

Consumers and designers of portable systems increasingly want to know the remaining capacity of their battery as precisely as possible. They also want warnings to signal when to change the battery to ...

High-capacity, multilayer ceramic capacitors (MLCC) have a property often not well understood by electronic designers: the capacitance of these devices varies with applied DC voltage. This phenomenon ...

A millilitre (ml) is a unit of measurement. Small amounts of liquid are recorded in millilitres. A teaspoon can hold about 5 millilitres. Capacity is the maximum amount of space inside a container or ...

Denis Hennessy recently encountered a problem we've all faced: he needed some AAs for a battery-eating gizmo, and he was overwhelmed by the choices available. Ignoring the shiny packaging and its ...

Liquid water is a very good heat storage medium -- anyone with a Thermos bottle knows that. However, as soon as water boils or freezes, its storage capacity drops precipitously. Physicists have now ...

Storage vendors don't mean to be lying. They just have a world view that you and your OS don't happen to share. In their minds their numbers are justifiable. The disk problem The major cause of disk ...